gh0strat | 5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9

Analysis

max time kernel
152s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 08:25

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General

Target
5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
Size 3.2MB
Sample231012-kbe72aah95
SHA256 5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9
MD5 d18f878cd976e18f23b19c0a6809df06
SHA1 1a3a31612889de8d194289ff0d20be4e7373ff38
SHA512 a1a3df4db86746f790be8b516559cdc4e30b82f677c0c97d8de532f761601497d4e581b25c61bd041fc170f347821a233a9088c37a1fbfdc39362364444fa4b3
SSDEEP 49152:p89XJt4HIZ/Gg0P+Wh81iWwV9wxTeIJtk5/IjTf5GelUXKerOmhis:OZJt4HIZOgmh8AvodLJtk/elc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2208-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2208-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2208-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1964-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2024-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2024-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/2208-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2208-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2208-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1964-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2024-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2024-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 4 IoCs

pid	Process
2208	QQ.exe
1964	TXPlatforn.exe
2024	TXPlatforn.exe
876	HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2208-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2208-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2208-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1964-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1964-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1964-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2208-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1964-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2024-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2024-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3852	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2024	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2208	QQ.exe
Token: SeLoadDriverPrivilege	2024	TXPlatforn.exe
Token: 33	2024	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2024	TXPlatforn.exe
Token: 33	2024	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2024	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2208	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	86
PID 1432 wrote to memory of 2208	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	86
PID 1432 wrote to memory of 2208	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	86
PID 2208 wrote to memory of 1120	2208	QQ.exe	88
PID 2208 wrote to memory of 1120	2208	QQ.exe	88
PID 2208 wrote to memory of 1120	2208	QQ.exe	88
PID 1964 wrote to memory of 2024	1964	TXPlatforn.exe	90
PID 1964 wrote to memory of 2024	1964	TXPlatforn.exe	90
PID 1964 wrote to memory of 2024	1964	TXPlatforn.exe	90
PID 1432 wrote to memory of 876	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	91
PID 1432 wrote to memory of 876	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	91
PID 1432 wrote to memory of 876	1432	5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe	91
PID 1120 wrote to memory of 3852	1120	cmd.exe	93
PID 1120 wrote to memory of 3852	1120	cmd.exe	93
PID 1120 wrote to memory of 3852	1120	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
"C:\Users\Admin\AppData\Local\Temp\5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\QQ.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1120
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3852
- C:\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
  2⤵
  - Executes dropped EXE
  PID:876

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_5f08a4371f92a4909358f0b7cd8fb9023a69517e026e0cbea82d7a30f9739cf9.exe
Size 1.9MB
SHA256 54916997730e872bf4694e537aea01f9974e9b21e8c116f65f40f847a5eb6605
MD5 6974f64271903c5c6f10e842010b9668
SHA1 fee0dd3e2ae960842c073fbfe4520daed35c558d
SHA512 228c484b22b7408a297e72461565a85232eb2b7b8de64cddd711185a07d502d001f2aa88f5d1eb1f2fb2d5b9dae36d4850375eee163f139d0dcf810a977bc2d4
SSDEEP 49152:I1iWwV9wxTeIJtk5/IjTf5GelUXKerOmhis:IAvodLJtk/elc
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.3MB
SHA256 63a39a5a3d48fdaa1819c37b8ff0e7114ce7b98f1fa8b9ea94343a9f7d763b1c
MD5 a68be89e7d269501980fcd3ecfb2a8af
SHA1 29ed992e00d0641e1a5aea3f8b358fa39710f338
SHA512 914e22434272413a2af9f6c539331d3fdfc42b2f220ef546f5d13a640e6a5a9e0dabd836cbdae2012f710b57b27656f76eb901b5d8b38b94010b366130b73419
SSDEEP 24576:p89tv9/7JtDElDEExIecl1erdg0MCiVWhR/4I4HP:p89XJt4HIZ/Gg0P+WhW
MD5 SHA1 SHA512 SSDEEP

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QQ.exe

Path C:\Users\Admin\AppData\Local\Temp\QQ.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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QQ.exe

Path C:\Users\Admin\AppData\Local\Temp\QQ.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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TXPlatforn.exe

Path C:\Windows\SysWOW64\TXPlatforn.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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TXPlatforn.exe

Path C:\Windows\SysWOW64\TXPlatforn.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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TXPlatforn.exe

Path C:\Windows\SysWOW64\TXPlatforn.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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memory/1964-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1964-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1964-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1964-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2024-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2024-31-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2024-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2208-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2208-8-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2208-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2208-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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