glupteba | 507a84c001c2c708eccc0c86fa1c356b6551e2690717a38f5168a57c28c2626c

General

Target

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Size

4.4MB
MD5

f394eaa2b35aef87685a24d6e5e21a9b
SHA1

04a882a1f85251b8627f3394410b78454ba6811d
SHA256

507a84c001c2c708eccc0c86fa1c356b6551e2690717a38f5168a57c28c2626c
SHA512

c4aabc7c7c57573d8ec109e95f14f36875b82305492a8874325d51b655dab45a833e554387b04cdcf4644a14dc253d5200f450c40ea43a34a7ee4b7ebdcde7c8
SSDEEP

98304:pQ4dKhSnSex8syTyeA0+ZyQqlevfIU3xzhM11vS:LdNOs0prQqUvbxzO1vS

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence rootkit trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 22 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4492-2-0x0000000005380000-0x0000000005CA6000-memory.dmp	family_glupteba
behavioral2/memory/4492-3-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/4492-6-0x0000000005380000-0x0000000005CA6000-memory.dmp	family_glupteba
behavioral2/memory/4492-5-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2712-7-0x0000000004D60000-0x00000000051A0000-memory.dmp	family_glupteba
behavioral2/memory/2712-8-0x00000000051A0000-0x0000000005AC6000-memory.dmp	family_glupteba
behavioral2/memory/2712-9-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2712-13-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-17-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-18-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-24-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-26-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-27-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-28-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-29-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-30-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-31-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-32-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-33-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-34-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-35-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba
behavioral2/memory/2556-36-0x0000000000400000-0x000000000309C000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

1972 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2556 csrss.exe
4572 injector.exe

pid	process
1972	netsh.exe

pid	process
2556	csrss.exe
4572	injector.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WispySky = "\"C:\\Windows\\rss\\csrss.exe\""	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
rootkit evasion

Processes:

csrss.exe

description ioc process

File opened for modification \??\WinMonFS csrss.exe
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery
T1082

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description ioc process

File opened (read-only) \??\VBoxMiniRdrDN f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\WinMonFS	csrss.exe

description	ioc	process
File opened (read-only)	\??\VBoxMiniRdrDN	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
File opened for modification	C:\Windows\rss	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1688 4492 WerFault.exe f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4688 schtasks.exe

pid	pid_target	process	target process
1688	4492	WerFault.exe	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

pid	process
4688	schtasks.exe

GoLang User-Agent 4 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description	flow	ioc
HTTP User-Agent header	33	Go-http-client/1.1
HTTP User-Agent header	44	Go-http-client/1.1
HTTP User-Agent header	45	Go-http-client/1.1
HTTP User-Agent header	46	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exef394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exef394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.execsrss.exeinjector.exe

pid	process
4492	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
4492	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
2556	csrss.exe
2556	csrss.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe
4572	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exef394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4492	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4492	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2556	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.execmd.execsrss.exe

description	pid	process	target process
PID 2712 wrote to memory of 4656	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe	cmd.exe
PID 2712 wrote to memory of 4656	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe	cmd.exe
PID 4656 wrote to memory of 1972	4656	cmd.exe	netsh.exe
PID 4656 wrote to memory of 1972	4656	cmd.exe	netsh.exe
PID 2712 wrote to memory of 2556	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe	csrss.exe
PID 2712 wrote to memory of 2556	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe	csrss.exe
PID 2712 wrote to memory of 2556	2712	f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe	csrss.exe
PID 2556 wrote to memory of 4572	2556	csrss.exe	injector.exe
PID 2556 wrote to memory of 4572	2556	csrss.exe	injector.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492

C:\Users\Admin\AppData\Local\Temp\f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f394eaa2b35aef87685a24d6e5e21a9b_JaffaCakes118.exe"
2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2712

C:\Windows\system32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:1972

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe /188-188
3⤵
- Executes dropped EXE
- Manipulates WinMonFS driver.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:4688

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 752
2⤵
- Program crash
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4492 -ip 4492
1⤵
PID:712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
f394eaa2b35aef87685a24d6e5e21a9b

SHA1
04a882a1f85251b8627f3394410b78454ba6811d

SHA256
507a84c001c2c708eccc0c86fa1c356b6551e2690717a38f5168a57c28c2626c

SHA512
c4aabc7c7c57573d8ec109e95f14f36875b82305492a8874325d51b655dab45a833e554387b04cdcf4644a14dc253d5200f450c40ea43a34a7ee4b7ebdcde7c8

Download Submit
memory/2556-28-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-31-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-24-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-36-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-25-0x0000000005200000-0x0000000005700000-memory.dmp

Filesize
5.0MB

Download
memory/2556-35-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-34-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-26-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-16-0x0000000005200000-0x0000000005700000-memory.dmp

Filesize
5.0MB

Download
memory/2556-17-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-18-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-33-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-32-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-30-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-29-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2556-27-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2712-13-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2712-8-0x00000000051A0000-0x0000000005AC6000-memory.dmp

Filesize
9.1MB

Download
memory/2712-9-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/2712-7-0x0000000004D60000-0x00000000051A0000-memory.dmp

Filesize
4.2MB

Download
memory/4492-1-0x0000000004F30000-0x0000000005371000-memory.dmp

Filesize
4.3MB

Download
memory/4492-6-0x0000000005380000-0x0000000005CA6000-memory.dmp

Filesize
9.1MB

Download
memory/4492-5-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download
memory/4492-2-0x0000000005380000-0x0000000005CA6000-memory.dmp

Filesize
9.1MB

Download
memory/4492-3-0x0000000000400000-0x000000000309C000-memory.dmp

Filesize
44.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads