gh0strat | 40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 19:09

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General

Target

40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
Size

2.8MB
MD5

ca664de6f39b223d92840e5053a804fb
SHA1

5b0c9a06b7542fd7e581c675e349337fb8aa64fb
SHA256

40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927
SHA512

253226c2d95af74ae2cea48e6b977fd1e62adefd456c1517dd218f5729799141a5c1ee68f850af7cb33303360a57b78203a2a603fd58455a47f06161ce6cf119
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+Wh8WJLbz:Vws2ANnKXOaeOgmhdJLbz

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/2772-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2772-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2772-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141c0-6.dat	family_gh0strat
behavioral1/memory/2772-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2772-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2772-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-57-0x0000000010000000-0x00000000101B6000-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\\259392986.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
1216	R.exe
2772	N.exe
2600	TXPlatfor.exe
2584	TXPlatfor.exe
2612	HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
2464	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
1216	R.exe
3016	svchost.exe
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
2600	TXPlatfor.exe
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
3016	svchost.exe
2464	Remote Data.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2772-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2772-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2772-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259392986.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2488	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
2612	HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2584	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2772	N.exe
Token: SeLoadDriverPrivilege	2584	TXPlatfor.exe
Token: 33	2584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2584	TXPlatfor.exe
Token: 33	2584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2584	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1216	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	28
PID 2380 wrote to memory of 1216	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	28
PID 2380 wrote to memory of 1216	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	28
PID 2380 wrote to memory of 1216	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	28
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2380 wrote to memory of 2772	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	31
PID 2772 wrote to memory of 2648	2772	N.exe	33
PID 2772 wrote to memory of 2648	2772	N.exe	33
PID 2772 wrote to memory of 2648	2772	N.exe	33
PID 2772 wrote to memory of 2648	2772	N.exe	33
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2600 wrote to memory of 2584	2600	TXPlatfor.exe	34
PID 2380 wrote to memory of 2612	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	35
PID 2380 wrote to memory of 2612	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	35
PID 2380 wrote to memory of 2612	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	35
PID 2380 wrote to memory of 2612	2380	40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe	35
PID 2648 wrote to memory of 2488	2648	cmd.exe	37
PID 2648 wrote to memory of 2488	2648	cmd.exe	37
PID 2648 wrote to memory of 2488	2648	cmd.exe	37
PID 2648 wrote to memory of 2488	2648	cmd.exe	37
PID 3016 wrote to memory of 2464	3016	svchost.exe	38
PID 3016 wrote to memory of 2464	3016	svchost.exe	38
PID 3016 wrote to memory of 2464	3016	svchost.exe	38
PID 3016 wrote to memory of 2464	3016	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
"C:\Users\Admin\AppData\Local\Temp\40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380
- 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:1216
- 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:2772
- - 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:2648
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2488
- C:\Users\Admin\AppData\Local\Temp\HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
  C:\Users\Admin\AppData\Local\Temp\HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2612

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2388

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:3016
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259392986.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2464

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600
- 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:2584

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_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe

Filesize
174KB

MD5
83026a87b4d75dff64126da890fc8633

SHA1
08bc0a27fedb65a8a1e140b233a6a6100c5da07f

SHA256
56b4d9bf4e51f3b03a2e98cf2ee28512ec04ac9c497c1fbad0343a904e787ff0

SHA512
adaefb8fde5758c02b6562376c41cbfe8cd98b0c5f4ca6340b410e3dd08e9bcd83ca2a48c63355e423524034dd348171bdb2d7bd98e7fe0f62d904ce841535b2

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

Filesize
2.6MB

MD5
274fe01eb0f4cd402c3cfdeda4b30715

SHA1
72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

SHA256
843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

SHA512
6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

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\259392986.txt

Filesize
899KB

MD5
5963d84b4fcf13fa219c8305818aff50

SHA1
57d050b8a87fa1a4dcdd20bcf012a497ba583bc8

SHA256
554d7ea488a25e0d52e698e08e1fa28bcf4b6e42827250ca8bfdd0262cf16041

SHA512
eff8117be7eec48ae333b26babcb7df88dc7bfde98d0ec0dd483d52a2ad8548604dfc7ce0cb503ba059f4b3511c04ab1cc731b38868e072690b731f3194cc344

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2584-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2772-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2772-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2772-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2772-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download