gh0strat | 4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5

General

Target

4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
Size

3.8MB
MD5

fa45a263c4f26cab3963f5435eb79e2c
SHA1

e28969372d4e74081af3d148951ee5c72f5df55a
SHA256

4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5
SHA512

2d0b3014c8f088bd2b14167095a986a1a61e357a336aef656e82a13b56462006bd89ffccb3bbe35c53badcfc21e732da001cc939db5fc586697b4fc8a46b265a
SSDEEP

49152:QCwsbCANnKXferL7Vwe/Gg0P+WhnwypVwfAUlE2gkD5JopF20UwK:7ws2ANnKXOaeOgmhVV0JopF2e

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2940-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2940-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x002c000000015c2f-6.dat	family_gh0strat
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

pid	Process
2388	R.exe
2928	N.exe
2568	TXPlatfor.exe
2940	TXPlatfor.exe
2484	HD_4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe

Loads dropped DLL 5 IoCs

pid	Process
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
2388	R.exe
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
2568	TXPlatfor.exe
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259416558.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2456	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2928	N.exe
Token: SeLoadDriverPrivilege	2940	TXPlatfor.exe
Token: 33	2940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatfor.exe
Token: 33	2940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2388	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	28
PID 2932 wrote to memory of 2388	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	28
PID 2932 wrote to memory of 2388	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	28
PID 2932 wrote to memory of 2388	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	28
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2932 wrote to memory of 2928	2932	4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe	29
PID 2928 wrote to memory of 2956	2928	N.exe	31
PID 2928 wrote to memory of 2956	2928	N.exe	31
PID 2928 wrote to memory of 2956	2928	N.exe	31
PID 2928 wrote to memory of 2956	2928	N.exe	31
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2568 wrote to memory of 2940	2568	TXPlatfor.exe	33
PID 2956 wrote to memory of 2456	2956	cmd.exe	35
PID 2956 wrote to memory of 2456	2956	cmd.exe	35
PID 2956 wrote to memory of 2456	2956	cmd.exe	35
PID 2956 wrote to memory of 2456	2956	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
"C:\Users\Admin\AppData\Local\Temp\4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2928
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2456
- C:\Users\Admin\AppData\Local\Temp\HD_4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe
  2⤵
  - Executes dropped EXE
  PID:2484

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_4aed6b1a291e31bc26b1f81ff23cb2ed1ac5890cfb00a21c7d4cf2c7ceab5ed5.exe

Filesize
1.3MB

MD5
e2c3f3cfdb1bd338701a50306a18dc8d

SHA1
14a6e44b1cad96f5b285feec63311251d95d2035

SHA256
6742039b5c25e37a29676042dd9e6e677cde41d11fb620e4784b029cf3c854db

SHA512
b672d98e32f96d3c84c65c0aa5f9ed4ee3ea4c1ba2c0cec2962d92c2d3d94f48db963bf22e64004a3d6de691486fda09ed0f0edf4d8724699bae557a19fef807

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.5MB

MD5
d1abe7f29bf85b868ccd7bddbcebd8d2

SHA1
bb6664badd75ec3adefa6480aeb5b697911422ea

SHA256
dd047aab61aa49a7adfe4b72efffcbb05a0fdfb7dfe094fa9d2c927da69200e9

SHA512
96ad96651f69721c825ea8c56a927417ca3d7417d919050bd694ca755aee57ceb4efcd55d6167b0f6a1ee8497ad86f9261bd62909a6915fe45a5ceaa00532d6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259416558.txt

Filesize
899KB

MD5
a0f16d18ce320dd2aeb5d1172d1ca73a

SHA1
852a27a74b15dcf78b96fb7b1701400bb90e4c0e

SHA256
4be7f427f0ad6e1735be413119f4c00b54120413e238cd4636caa2b65f4d73b1

SHA512
0febf957c9b6ed7c6fd30afe79c01eac01ca0a6a8d6967385db56c39783952848d52e6986e4b44ac693705e7530e0821c073b4b996d0b9c0a1b8b6f3b3a1679b

Download Submit
memory/2568-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads