gh0strat | 889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 12:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
Size 7.5MB
Sample240526-prp5dsdf99
SHA256 889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870
MD5 29648d223d8f4fee4dc091f0da973130
SHA1 61a96f165a03c1b7d9e530a2a2dbc139f34f0ab1
SHA512 805763b5d167641980a1ca7fb43513996750b3ad607f9f1b028038add47a7b5c7a7e6059d73507ca9b3f6a7636280d093178b7fb31d29861f152c6a31f6c041c
SSDEEP 196608:miINy2Lka6I+sbljs3XTx2+kr/U1fI+ZEP+:pInljs0tapZN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox oss_ak persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1660-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2672-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2672-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2672-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/1660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1660-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2672-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2672-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2672-38-0x0000000010000000-0x00000000101B6000-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

detect oss ak 1 IoCs

oss ak information detected.

oss_ak

resource	yara_rule
behavioral1/files/0x00070000000149e1-28.dat	detect_ak_stuff

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
1660	RVN.exe
3048	TXPlatforn.exe
2672	TXPlatforn.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe

Loads dropped DLL 3 IoCs

pid	Process
1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
3048	TXPlatforn.exe
1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1660-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1660-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2672-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.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
2584	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2672	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1660	RVN.exe
Token: SeLoadDriverPrivilege	2672	TXPlatforn.exe
Token: SeDebugPrivilege	2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
Token: SeShutdownPrivilege	2740	HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
Token: 33	2672	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2672	TXPlatforn.exe
Token: 33	2672	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2672	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1804 wrote to memory of 1660	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	28
PID 1660 wrote to memory of 1992	1660	RVN.exe	30
PID 1660 wrote to memory of 1992	1660	RVN.exe	30
PID 1660 wrote to memory of 1992	1660	RVN.exe	30
PID 1660 wrote to memory of 1992	1660	RVN.exe	30
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 3048 wrote to memory of 2672	3048	TXPlatforn.exe	31
PID 1804 wrote to memory of 2740	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	33
PID 1804 wrote to memory of 2740	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	33
PID 1804 wrote to memory of 2740	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	33
PID 1804 wrote to memory of 2740	1804	889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe	33
PID 1992 wrote to memory of 2584	1992	cmd.exe	34
PID 1992 wrote to memory of 2584	1992	cmd.exe	34
PID 1992 wrote to memory of 2584	1992	cmd.exe	34
PID 1992 wrote to memory of 2584	1992	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
"C:\Users\Admin\AppData\Local\Temp\889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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\RVN.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2584
- C:\Users\Admin\AppData\Local\Temp\HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
  C:\Users\Admin\AppData\Local\Temp\HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2672

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

Loading Replay Monitor...

Downloads

HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_889f47bff923158c99a3ed34e330474d7c6f5f6cef0178c17b80450eebf68870.exe
Size 6.0MB
SHA256 291fc1bfaf4da9b362dbf2eae0192da877932b811fc10f8b8d69701967f13fac
MD5 22f7340e7ce6098c948d4369df4be09f
SHA1 c2c227fdb8702510e44bf8ae14c57e1ff8161612
SHA512 cb759fc7bf942a4beb1f15b8d5def7f7541a83b2c8ba000343d471779216a9a2828f98d69bb2b0d981ea142456afcb6eb37bc9a0df82d303d4ebbb3d55d6b9ac
SSDEEP 98304:l8Egx36I+u+AEYlvmpdVXNmS7Nrmvs3Xr+yx2+k/jM3aU0NgfZyXurNgaEw2F8:66I+sbljs3XTx2+kr/U1fI+ZEP+
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.4MB
SHA256 65eaf3291401f8fec68c77ad398681b41d792d2fa3c438ed7caa3612299e31a9
MD5 f16e20253806997a16fc77594e2a11f9
SHA1 fc8f5e86c09539419537b08bbd95afb3c412026d
SHA512 d496c19c4ecf422ee7cda9ef76c57a4e764a11472108f36388045fe6c3b66cf8d085b158a156fa06837f2ec498da0501749e6ab40b37156c8fb12d33272ad8de
SSDEEP 24576:D09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+xi:D09XJt4HIN2H2tFvduySa
MD5 SHA1 SHA512 SSDEEP

Submit Download

RVN.exe

Path \Users\Admin\AppData\Local\Temp\RVN.exe
Size 377KB
SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
MD5 80ade1893dec9cab7f2e63538a464fcc
SHA1 c06614da33a65eddb506db00a124a3fc3f5be02e
SHA512 fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
SSDEEP 6144:BEo7J1ixs4uVKE9rFEAHKThrBSq2hAzSM5mDo9lSJULHZqExlD2E1LxhJVwIe0Dy:Wo2HQVWAHkFSq2hAWJYlMUtrxlyuJVRq
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1660-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1660-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1660-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1660-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2672-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3048-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3048-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download