glupteba | a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200

Analysis

max time kernel
23s
max time network
140s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
17/05/2024, 12:44

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General

Target
a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Size 4.1MB
Sample240517-pyjaeshh82
SHA256 a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200
MD5 f437c5035e441d31d8204095aef8e93e
SHA1 147ac4854983e7cb64329c14aa774e54d54efdc1
SHA512 d3fac42a32c5324358101baea6391a18647b18e535316f1f6e79a2e7b9d64275b0b4448dca114af3d1f20522e8e327b57a0d4cd10b7170ff47d98f232a68f7e9
SSDEEP 98304:/BVs1p4PpCxl89qkqVHLjfQjDTn2r+Nb3:Ja1p4P0l8MfVLMTr3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion execution loader

Malware Config

Signatures

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

Glupteba payload 18 IoCs

resource	yara_rule
behavioral2/memory/1212-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp	family_glupteba
behavioral2/memory/1212-52-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1212-54-0x0000000004CC0000-0x00000000055AB000-memory.dmp	family_glupteba
behavioral2/memory/1212-101-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/352-100-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/352-127-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-173-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-204-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-206-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-208-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-210-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-212-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-214-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-216-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-218-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-220-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-222-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral2/memory/1868-224-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5008	netsh.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.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

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2480	powershell.exe
2992	powershell.exe
3056	powershell.exe
2200	powershell.exe
4476	powershell.exe
4324	powershell.exe
940	powershell.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/Job

T1053

pid	Process
1544	schtasks.exe
4148	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3056	powershell.exe
3056	powershell.exe
1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
2200	powershell.exe
2200	powershell.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
4476	powershell.exe
4476	powershell.exe
4324	powershell.exe
4324	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Token: SeImpersonatePrivilege	1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	4476	powershell.exe
Token: SeDebugPrivilege	4324	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 3056	1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	82
PID 1212 wrote to memory of 3056	1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	82
PID 1212 wrote to memory of 3056	1212	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	82
PID 352 wrote to memory of 2200	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	87
PID 352 wrote to memory of 2200	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	87
PID 352 wrote to memory of 2200	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	87
PID 352 wrote to memory of 780	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	89
PID 352 wrote to memory of 780	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	89
PID 780 wrote to memory of 5008	780	cmd.exe	91
PID 780 wrote to memory of 5008	780	cmd.exe	91
PID 352 wrote to memory of 4476	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	92
PID 352 wrote to memory of 4476	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	92
PID 352 wrote to memory of 4476	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	92
PID 352 wrote to memory of 4324	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	94
PID 352 wrote to memory of 4324	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	94
PID 352 wrote to memory of 4324	352	a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe	94

C:\Users\Admin\AppData\Local\Temp\a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
"C:\Users\Admin\AppData\Local\Temp\a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe
  "C:\Users\Admin\AppData\Local\Temp\a4decfc7bf2f9bd132a2974a3f9edb4931b303c5b15c896a9493eed733d0d200.exe"
  2⤵
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:352
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2200
- - 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:780
  - - 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:5008
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4476
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4324
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:1868
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:940
  - - 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:1544
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3096
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:2480
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:2992
  - - 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⤵
      PID:3692
  - - 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:4148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_q2toupsf.2nn.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q2toupsf.2nn.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
MD5 ac4917a885cf6050b1a483e4bc4d2ea5
SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
MD5 SHA1 SHA512

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