gh0strat | 08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 07:35

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General

Target

08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
Size

3.5MB
MD5

62cbcf4c20204aabbf18322b12c66ea5
SHA1

5f404f80a4459665f04dbfc678515865e04d109d
SHA256

08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15
SHA512

03e992aac3e86ab1df3093151941bf52ba85855a1433b3efe48c7ee72a0280e24363cdd58f3e351d8ad5ef7b857c963c1e2e2f47f9153a1e5efff2d8993a225a
SSDEEP

49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhwJDmn2f60YZZuOW:Uws2ANnKXOaeOgmhwJDmn2C0YZZuv

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x003300000001470b-6.dat	family_gh0strat
behavioral1/memory/2308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-48-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259396980.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
2380	R.exe
2308	N.exe
2584	TXPlatfor.exe
2792	TXPlatfor.exe
2524	HD_08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
2788	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
2380	R.exe
2552	svchost.exe
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
2584	TXPlatfor.exe
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
2552	svchost.exe
2788	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259396980.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2628	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2792	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2308	N.exe
Token: SeLoadDriverPrivilege	2792	TXPlatfor.exe
Token: 33	2792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2792	TXPlatfor.exe
Token: 33	2792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2792	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2380	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	28
PID 2324 wrote to memory of 2380	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	28
PID 2324 wrote to memory of 2380	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	28
PID 2324 wrote to memory of 2380	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	28
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2324 wrote to memory of 2308	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	31
PID 2308 wrote to memory of 2896	2308	N.exe	33
PID 2308 wrote to memory of 2896	2308	N.exe	33
PID 2308 wrote to memory of 2896	2308	N.exe	33
PID 2308 wrote to memory of 2896	2308	N.exe	33
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2584 wrote to memory of 2792	2584	TXPlatfor.exe	35
PID 2324 wrote to memory of 2524	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	36
PID 2324 wrote to memory of 2524	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	36
PID 2324 wrote to memory of 2524	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	36
PID 2324 wrote to memory of 2524	2324	08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe	36
PID 2896 wrote to memory of 2628	2896	cmd.exe	37
PID 2896 wrote to memory of 2628	2896	cmd.exe	37
PID 2896 wrote to memory of 2628	2896	cmd.exe	37
PID 2896 wrote to memory of 2628	2896	cmd.exe	37
PID 2552 wrote to memory of 2788	2552	svchost.exe	38
PID 2552 wrote to memory of 2788	2552	svchost.exe	38
PID 2552 wrote to memory of 2788	2552	svchost.exe	38
PID 2552 wrote to memory of 2788	2552	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
"C:\Users\Admin\AppData\Local\Temp\08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2380
- 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:2308
- - 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:2896
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2628
- C:\Users\Admin\AppData\Local\Temp\HD_08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
  C:\Users\Admin\AppData\Local\Temp\HD_08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe
  2⤵
  - Executes dropped EXE
  PID:2524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2744

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396980.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2788

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2584
- 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:2792

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_08c8a6b9d4e497c573a558399713b929c566c645a0e436ab6d079a99ac615f15.exe

Filesize
823KB

MD5
78022e42e8422c12b7f98215337a076c

SHA1
e9c7eb04ac6345630fc8d414df42344577f6a458

SHA256
7e27d00759cb22b583df0a606670ffe84710ef237084a4d6e2fc64e105946e56

SHA512
f978512102f3d4ec7c7f85694b2a9a9a4c51e4a9e0253cec523696ba17799fa13d471c460d82f46363970193df6e46a93429bbe4be4a825ba2ce7f6f6e27f33b

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

Filesize
2.7MB

MD5
38cc0a684279c19b41c55109aac50d90

SHA1
4b7ec9154d0e3ae331fcce06b69beeb3d7454b69

SHA256
a49d65d226568be7b2b66774db17ea3dcb7412d780e400f730c36c3a81b7570c

SHA512
80a392506d31735b760b20128136d827933e7db7bcc07c09673dcfb75382dc586d3d76e7236ec7a5c9e722ec88fd6d757516f8a43c6c4f08464ecedfb6685d85

Download Submit
C:\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\259396980.txt

Filesize
899KB

MD5
1b9b471ada02c7d2e84690322247978a

SHA1
c34becb9bf3a90625a61b77fd3416e341c25ed75

SHA256
7f38b9ff7ed89e3b74620649d793fce5a5d64e8840cfff8ed73514d573720360

SHA512
5efbd8c2b389a61fa9a9dea3a22a0cbe3e3d9791b96e2dfbfad034a588519824efcdab731d0b196967db491238ab53a5fdb86f44cf8e25ae021838c97b6a570e

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2308-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download