Analysis
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max time kernel
145s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
21-06-2024 14:46
Static task
static1
Behavioral task
behavioral1
Sample
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe
Resource
win7-20240508-en
General
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Target
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe
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Size
1.3MB
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MD5
4cf11cd62b2be8f9bb681ae76d9b65a5
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SHA1
496df316d577b48df72706b529acbd25fa451f26
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SHA256
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15
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SHA512
e44121ae617d03e2b72b142c2023152d15a11be2cd587fd1924ddba2eb26a86dab8fe82a874a244e5e3d7d9becf29d613a598c74cf753aa4f788d526872da5a7
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SSDEEP
24576:9OyHutimZ9VSly2hVvHW6qMnSbTBBhBMNbN:wHPkVOBTKB
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2920-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2368-18-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2920-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2368-18-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
sainbox.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
sainbox.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2968 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
sainbox.exesainbox.exepid process 1948 sainbox.exe 2368 sainbox.exe -
Loads dropped DLL 1 IoCs
Processes:
sainbox.exepid process 1948 sainbox.exe -
Drops file in System32 directory 2 IoCs
Processes:
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exedescription ioc process File created C:\Windows\SysWOW64\sainbox.exe acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe -
Modifies data under HKEY_USERS 4 IoCs
Processes:
sainbox.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sainbox.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
sainbox.exepid process 2368 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exesainbox.exedescription pid process Token: SeIncBasePriorityPrivilege 2920 acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe Token: SeLoadDriverPrivilege 2368 sainbox.exe Token: 33 2368 sainbox.exe Token: SeIncBasePriorityPrivilege 2368 sainbox.exe Token: 33 2368 sainbox.exe Token: SeIncBasePriorityPrivilege 2368 sainbox.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exesainbox.execmd.exedescription pid process target process PID 2920 wrote to memory of 2968 2920 acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe cmd.exe PID 2920 wrote to memory of 2968 2920 acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe cmd.exe PID 2920 wrote to memory of 2968 2920 acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe cmd.exe PID 2920 wrote to memory of 2968 2920 acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe cmd.exe PID 1948 wrote to memory of 2368 1948 sainbox.exe sainbox.exe PID 1948 wrote to memory of 2368 1948 sainbox.exe sainbox.exe PID 1948 wrote to memory of 2368 1948 sainbox.exe sainbox.exe PID 1948 wrote to memory of 2368 1948 sainbox.exe sainbox.exe PID 2968 wrote to memory of 2464 2968 cmd.exe PING.EXE PID 2968 wrote to memory of 2464 2968 cmd.exe PING.EXE PID 2968 wrote to memory of 2464 2968 cmd.exe PING.EXE PID 2968 wrote to memory of 2464 2968 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe"C:\Users\Admin\AppData\Local\Temp\acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\ACB4BF~1.EXE > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\sainbox.exeFilesize
1.3MB
MD54cf11cd62b2be8f9bb681ae76d9b65a5
SHA1496df316d577b48df72706b529acbd25fa451f26
SHA256acb4bf9264539e3e3a34c5c6e3e6f15f57b210ef2fd83fdfb9a603e93c6b1e15
SHA512e44121ae617d03e2b72b142c2023152d15a11be2cd587fd1924ddba2eb26a86dab8fe82a874a244e5e3d7d9becf29d613a598c74cf753aa4f788d526872da5a7
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memory/2368-18-0x0000000010000000-0x000000001019F000-memory.dmpFilesize
1.6MB
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memory/2920-0-0x0000000010000000-0x000000001019F000-memory.dmpFilesize
1.6MB