gh0strat | 92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 12:38

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General

Target

92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
Size

3.6MB
MD5

688ce04af7db2c86384bb19179711983
SHA1

94721c80d777fde977e2b21e74f726b293594d54
SHA256

92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64
SHA512

d50022b9a7c348994dfbb94cb6006ff3b2e2fd9510105298a28981ff4000f959c743516bc9cca71a9f4eefa431d0c0d06249c57299aad4d48a063ce94c2cb375
SSDEEP

49152:sCwsbCANnKXferL7Vwe/Gg0P+WhYxsS78aNKNexjikTt0V:/ws2ANnKXOaeOgmhqsS78+KNexji/

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000018afc-6.dat	family_gh0strat
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-49-0x0000000010000000-0x00000000101B6000-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
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

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\\259492437.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
2900	R.exe
2904	N.exe
2560	TXPlatfor.exe
3048	TXPlatfor.exe
2656	HD_92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
2448	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
2900	R.exe
2140	svchost.exe
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
2560	TXPlatfor.exe
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
2140	svchost.exe
2448	Remote Data.exe

Drops file in System32 directory 6 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\259492437.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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 9 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	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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	HD_92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.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
2732	cmd.exe
2080	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2080	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3048	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2904	N.exe
Token: SeLoadDriverPrivilege	3048	TXPlatfor.exe
Token: 33	3048	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3048	TXPlatfor.exe
Token: 33	3048	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3048	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 2900	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	30
PID 1592 wrote to memory of 2900	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	30
PID 1592 wrote to memory of 2900	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	30
PID 1592 wrote to memory of 2900	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	30
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 1592 wrote to memory of 2904	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	33
PID 2904 wrote to memory of 2732	2904	N.exe	35
PID 2904 wrote to memory of 2732	2904	N.exe	35
PID 2904 wrote to memory of 2732	2904	N.exe	35
PID 2904 wrote to memory of 2732	2904	N.exe	35
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 2560 wrote to memory of 3048	2560	TXPlatfor.exe	36
PID 1592 wrote to memory of 2656	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	38
PID 1592 wrote to memory of 2656	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	38
PID 1592 wrote to memory of 2656	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	38
PID 1592 wrote to memory of 2656	1592	92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe	38
PID 2732 wrote to memory of 2080	2732	cmd.exe	39
PID 2732 wrote to memory of 2080	2732	cmd.exe	39
PID 2732 wrote to memory of 2080	2732	cmd.exe	39
PID 2732 wrote to memory of 2080	2732	cmd.exe	39
PID 2140 wrote to memory of 2448	2140	svchost.exe	40
PID 2140 wrote to memory of 2448	2140	svchost.exe	40
PID 2140 wrote to memory of 2448	2140	svchost.exe	40
PID 2140 wrote to memory of 2448	2140	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
"C:\Users\Admin\AppData\Local\Temp\92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1592
- 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:2900
- 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:2904
- - 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:2732
  - - 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:2080
- C:\Users\Admin\AppData\Local\Temp\HD_92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
  C:\Users\Admin\AppData\Local\Temp\HD_92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2656

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2336

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:2140
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259492437.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2448

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:2560
- 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:3048

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
2.7MB

MD5
78d02ff1e12d92d17d9bdec58675d28e

SHA1
d1080277e4ee419a80e97c1eed628f5256eca156

SHA256
1b72da848cd3ae30b75059caa06d9a132856310f99a8531420ecac0f96361306

SHA512
3685bae17a3779b8b3f563e9c8566bd717dc7a085b0a5d971bee442f429ab110f44a71f649a365ebd98dddc2c892168ab2661cc28e261a983bb8b9d5a488e67e

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\HD_92706226587c195f722a80225ef74df9d5ff03a7a9c9a4f6a9c5e4f4bb95ea64.exe

Filesize
923KB

MD5
76ace7270b3205f6650132154843e54a

SHA1
bb5c0a8b6e1b96eade5765dc96ca724f52c2a759

SHA256
1a493bf1533e186a615e7de36fb33e02beaf1892aedc44b1eefbca96bf31b4e4

SHA512
8ac6b9f6b97d5fbf3a0c135c3bf74fdb65693e6e5bfd00f100d8296c5b8ea5b2d13b3ac08ab2a8b2125d42d851db829bc22c908a4cc2a918985cadc58614ec54

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259492437.txt

Filesize
899KB

MD5
f552c1e29fe87467c2e54e043a5a6535

SHA1
61582472bf9097d011658922d49ddc5b85ee72b7

SHA256
9f11c498aad133db7c6847589c2fa824b5e9081d84790436c7239aaec1b8d113

SHA512
b5ec0afd8b7ea58ce1d8afee5c89e8b4e2d765648a7f3920b1776d10146bb5d5f721c58276ea6a256eba888048d31097426ebf2521b2d8165c95671a906ae878

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2904-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3048-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download