Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 09:58
Static task
static1
Behavioral task
behavioral1
Sample
a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
Resource
win7-20240221-en
General
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Target
a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
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Size
1.3MB
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MD5
1a7c25c0cb244a842466947a0012bd16
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SHA1
b835154e529e3c1717d5ee65fbb6e858b43b97dc
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SHA256
a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7
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SHA512
84c59c95c497e554a2fd0b71c376470a292cd29d44f7d716c0d6ff2d7832d831598f75f33451050632cfe9c6a38747bd70791fc61d3c84d885f760e2bd9d1b56
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNJ:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3160-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/4868-10-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/2008-17-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/3160-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/4868-10-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/2008-17-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Pqija.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Pqija.exe -
Executes dropped EXE 2 IoCs
pid Process 4868 Pqija.exe 2008 Pqija.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: Pqija.exe File opened (read-only) \??\O: Pqija.exe File opened (read-only) \??\Q: Pqija.exe File opened (read-only) \??\T: Pqija.exe File opened (read-only) \??\U: Pqija.exe File opened (read-only) \??\I: Pqija.exe File opened (read-only) \??\J: Pqija.exe File opened (read-only) \??\K: Pqija.exe File opened (read-only) \??\W: Pqija.exe File opened (read-only) \??\Y: Pqija.exe File opened (read-only) \??\X: Pqija.exe File opened (read-only) \??\E: Pqija.exe File opened (read-only) \??\L: Pqija.exe File opened (read-only) \??\V: Pqija.exe File opened (read-only) \??\P: Pqija.exe File opened (read-only) \??\S: Pqija.exe File opened (read-only) \??\G: Pqija.exe File opened (read-only) \??\H: Pqija.exe File opened (read-only) \??\N: Pqija.exe File opened (read-only) \??\B: Pqija.exe File opened (read-only) \??\R: Pqija.exe File opened (read-only) \??\Z: Pqija.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Pqija.exe a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe File opened for modification C:\Windows\SysWOW64\Pqija.exe a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Pqija.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Pqija.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Pqija.exe Key created \REGISTRY\USER\.DEFAULT\Software Pqija.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft Pqija.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie Pqija.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" Pqija.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 440 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe 2008 Pqija.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2008 Pqija.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3160 a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe Token: SeLoadDriverPrivilege 2008 Pqija.exe Token: 33 2008 Pqija.exe Token: SeIncBasePriorityPrivilege 2008 Pqija.exe Token: 33 2008 Pqija.exe Token: SeIncBasePriorityPrivilege 2008 Pqija.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3160 wrote to memory of 4848 3160 a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe 91 PID 3160 wrote to memory of 4848 3160 a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe 91 PID 3160 wrote to memory of 4848 3160 a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe 91 PID 4868 wrote to memory of 2008 4868 Pqija.exe 92 PID 4868 wrote to memory of 2008 4868 Pqija.exe 92 PID 4868 wrote to memory of 2008 4868 Pqija.exe 92 PID 4848 wrote to memory of 440 4848 cmd.exe 94 PID 4848 wrote to memory of 440 4848 cmd.exe 94 PID 4848 wrote to memory of 440 4848 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe"C:\Users\Admin\AppData\Local\Temp\a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\A45EA3~1.EXE > nul2⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:440
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C:\Windows\SysWOW64\Pqija.exeC:\Windows\SysWOW64\Pqija.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\Pqija.exeC:\Windows\SysWOW64\Pqija.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD51a7c25c0cb244a842466947a0012bd16
SHA1b835154e529e3c1717d5ee65fbb6e858b43b97dc
SHA256a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7
SHA51284c59c95c497e554a2fd0b71c376470a292cd29d44f7d716c0d6ff2d7832d831598f75f33451050632cfe9c6a38747bd70791fc61d3c84d885f760e2bd9d1b56