gh0strat | b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/12/2024, 11:51

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General

Target

b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
Size

2.6MB
MD5

f2751fc128abc3745235c9fda7dfe0f5
SHA1

52b6e1f3a2a823840b912f3da164f7a2a7efd17a
SHA256

b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce
SHA512

fc4be3852c140a601083ca97904236180ef7c7e5b5adf6ff11c5e3e8111b5bdeaf33223fe22573bb591ca338d3eb2830dcb8013e500fc765835a2eae719b74cf
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuE:pws2ANnKXOaeOgmhI1BTuE

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2312-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1700-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1700-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1700-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015685-6.dat	family_gh0strat
behavioral1/memory/2312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2312-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1700-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1700-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1700-49-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259413282.txt"	R.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 6 IoCs

pid	Process
2748	R.exe
2312	N.exe
2884	TXPlatfor.exe
2620	HD_b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
1700	TXPlatfor.exe
2164	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
2748	R.exe
2664	svchost.exe
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
2884	TXPlatfor.exe
2664	svchost.exe
2164	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259413282.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2312-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2312-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1700-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2556	cmd.exe
588	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
588	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1700	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2312	N.exe
Token: SeLoadDriverPrivilege	1700	TXPlatfor.exe
Token: 33	1700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1700	TXPlatfor.exe
Token: 33	1700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1700	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2748	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	30
PID 2708 wrote to memory of 2748	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	30
PID 2708 wrote to memory of 2748	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	30
PID 2708 wrote to memory of 2748	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	30
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2708 wrote to memory of 2312	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	33
PID 2312 wrote to memory of 2556	2312	N.exe	35
PID 2312 wrote to memory of 2556	2312	N.exe	35
PID 2312 wrote to memory of 2556	2312	N.exe	35
PID 2312 wrote to memory of 2556	2312	N.exe	35
PID 2708 wrote to memory of 2620	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	37
PID 2708 wrote to memory of 2620	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	37
PID 2708 wrote to memory of 2620	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	37
PID 2708 wrote to memory of 2620	2708	b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe	37
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2884 wrote to memory of 1700	2884	TXPlatfor.exe	38
PID 2556 wrote to memory of 588	2556	cmd.exe	40
PID 2556 wrote to memory of 588	2556	cmd.exe	40
PID 2556 wrote to memory of 588	2556	cmd.exe	40
PID 2556 wrote to memory of 588	2556	cmd.exe	40
PID 2664 wrote to memory of 2164	2664	svchost.exe	41
PID 2664 wrote to memory of 2164	2664	svchost.exe	41
PID 2664 wrote to memory of 2164	2664	svchost.exe	41
PID 2664 wrote to memory of 2164	2664	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
"C:\Users\Admin\AppData\Local\Temp\b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2748
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2312
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:588
- C:\Users\Admin\AppData\Local\Temp\HD_b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
  C:\Users\Admin\AppData\Local\Temp\HD_b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe
  2⤵
  - Executes dropped EXE
  PID:2620

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2716

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259413282.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2164

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- 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:1700

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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 Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

Download Submit
\Users\Admin\AppData\Local\Temp\HD_b2943ffaf1e876a080a6dd864d8c8b50dffa8be43ca865f38b8cc81c66c635ce.exe

Filesize
10KB

MD5
6ccccf07165d0cfa337c7520728744db

SHA1
949b2804e100fb7b0d3bff6dd98fc82b8f75c600

SHA256
9508ba6c15ac88a1f57c16d557ff16cb01e250476f41535cbcf16207de563ec5

SHA512
7969b7c4c897a6126506244c7dd593c4ec4d910a05245b25d4e33ba7ff2e45c825404bab213e267533bec141874ba041eba001c4cef1123f4f955fe93a030f7f

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259413282.txt

Filesize
899KB

MD5
f3534719098a96a9bb0ae8f41e78496e

SHA1
2ae332a81e7e11726d87816c19d69829e697ec63

SHA256
b053267cab14a23c504f11eb855d60c8127d04f4f897440be2a0a2f7b248d0ce

SHA512
bb2af5b40be960a27458c3732788aa2427f5a08b52a79fcb7a6cecd084df5f489cb600ad8c9d534a31c5b263f5f49ead400fd88c4dee8c28ede1d45cd7c564d8

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1700-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1700-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1700-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1700-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1700-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1700-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2312-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2312-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2312-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download