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Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08/10/2023, 16:05
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe
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Size
1.3MB
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MD5
a576d36617fc88ca550823fb3ec48aa7
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SHA1
037a62e13103fc56a1f39b5e904ef23c462f06ab
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SHA256
a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
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SHA512
5eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNY:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2572-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2680-18-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2572-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2680-18-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys sainbox.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" sainbox.exe -
Deletes itself 1 IoCs
pid Process 2996 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2972 sainbox.exe 2680 sainbox.exe -
Loads dropped DLL 1 IoCs
pid Process 2972 sainbox.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sainbox.exe NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe -
Modifies data under HKEY_USERS 4 IoCs
description 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
pid Process 2592 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2680 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2572 NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe Token: SeLoadDriverPrivilege 2680 sainbox.exe Token: 33 2680 sainbox.exe Token: SeIncBasePriorityPrivilege 2680 sainbox.exe Token: 33 2680 sainbox.exe Token: SeIncBasePriorityPrivilege 2680 sainbox.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2572 wrote to memory of 2996 2572 NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe 29 PID 2572 wrote to memory of 2996 2572 NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe 29 PID 2572 wrote to memory of 2996 2572 NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe 29 PID 2572 wrote to memory of 2996 2572 NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe 29 PID 2972 wrote to memory of 2680 2972 sainbox.exe 31 PID 2972 wrote to memory of 2680 2972 sainbox.exe 31 PID 2972 wrote to memory of 2680 2972 sainbox.exe 31 PID 2972 wrote to memory of 2680 2972 sainbox.exe 31 PID 2996 wrote to memory of 2592 2996 cmd.exe 32 PID 2996 wrote to memory of 2592 2996 cmd.exe 32 PID 2996 wrote to memory of 2592 2996 cmd.exe 32 PID 2996 wrote to memory of 2592 2996 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa_JC.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572 -
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\NEASA0~1.EXE > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:2592
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972 -
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
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD5a576d36617fc88ca550823fb3ec48aa7
SHA1037a62e13103fc56a1f39b5e904ef23c462f06ab
SHA256a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
SHA5125eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88
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Filesize
1.3MB
MD5a576d36617fc88ca550823fb3ec48aa7
SHA1037a62e13103fc56a1f39b5e904ef23c462f06ab
SHA256a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
SHA5125eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88
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Filesize
1.3MB
MD5a576d36617fc88ca550823fb3ec48aa7
SHA1037a62e13103fc56a1f39b5e904ef23c462f06ab
SHA256a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
SHA5125eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88
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Filesize
1.3MB
MD5a576d36617fc88ca550823fb3ec48aa7
SHA1037a62e13103fc56a1f39b5e904ef23c462f06ab
SHA256a063bdf078e9c57b66e071e0e79aea1d5965b1c125774d9f1766c72deef305fa
SHA5125eab68f779302a02f67cd75ed4e142fe72c9add60f9a305da90ffdcd0c75aaec649fd1a5307befdbdbd952a40b8caae67a0baa910838fda4c710b652d0caac88