gh0strat | b7f63e8735b72e3a6929d6ea723e6c914f507d0ce8ad242c0632ebe549bac222

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 10:53

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General

Target

202409074c10292f815d4fc096e5f05be21cce76icedid.exe
Size

6.0MB
MD5

4c10292f815d4fc096e5f05be21cce76
SHA1

89124d6e52ff0280ddadc7d6e6139dc4c16f199c
SHA256

b7f63e8735b72e3a6929d6ea723e6c914f507d0ce8ad242c0632ebe549bac222
SHA512

03b5d6825f652c410e0957a28daf8a8ffab0897efbfdbaf6936f2f96789ad10afd83f1e9147a6ff5650ce09ee9c5f9314badf3c41ad02c9507f699b04abf06e8
SSDEEP

98304:pws2ANnKXOaeOgmh+qWn/3JZ6eOUA8Va+1U:bKXbeO7wqWBZ6xjn0U

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/2444-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2444-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000700000001939f-6.dat	family_gh0strat
behavioral1/memory/2444-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2444-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-48-0x0000000010000000-0x00000000101B6000-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

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\\259421613.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
2680	R.exe
2444	N.exe
2596	TXPlatfor.exe
2592	TXPlatfor.exe
1688	HD_202409074c10292f815d4fc096e5f05be21cce76icedid.exe
2160	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe
2680	R.exe
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe
2844	svchost.exe
2596	TXPlatfor.exe
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe
2844	svchost.exe
2160	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2444-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2444-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2444-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259421613.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

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	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	202409074c10292f815d4fc096e5f05be21cce76icedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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

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
304	PING.EXE
2800	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
304	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2592	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2444	N.exe
Token: SeLoadDriverPrivilege	2592	TXPlatfor.exe
Token: 33	2592	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2592	TXPlatfor.exe
Token: 33	2592	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2592	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe
1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2680	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	30
PID 1032 wrote to memory of 2680	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	30
PID 1032 wrote to memory of 2680	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	30
PID 1032 wrote to memory of 2680	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	30
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 1032 wrote to memory of 2444	1032	202409074c10292f815d4fc096e5f05be21cce76icedid.exe	33
PID 2444 wrote to memory of 2800	2444	N.exe	35
PID 2444 wrote to memory of 2800	2444	N.exe	35
PID 2444 wrote to memory of 2800	2444	N.exe	35
PID 2444 wrote to memory of 2800	2444	N.exe	35
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2596 wrote to memory of 2592	2596	TXPlatfor.exe	37
PID 2800 wrote to memory of 304	2800	cmd.exe	39
PID 2800 wrote to memory of 304	2800	cmd.exe	39
PID 2800 wrote to memory of 304	2800	cmd.exe	39
PID 2800 wrote to memory of 304	2800	cmd.exe	39
PID 2844 wrote to memory of 2160	2844	svchost.exe	40
PID 2844 wrote to memory of 2160	2844	svchost.exe	40
PID 2844 wrote to memory of 2160	2844	svchost.exe	40
PID 2844 wrote to memory of 2160	2844	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\202409074c10292f815d4fc096e5f05be21cce76icedid.exe
"C:\Users\Admin\AppData\Local\Temp\202409074c10292f815d4fc096e5f05be21cce76icedid.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032
- 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:2680
- 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:2444
- - 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:2800
  - - 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:304
- C:\Users\Admin\AppData\Local\Temp\HD_202409074c10292f815d4fc096e5f05be21cce76icedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_202409074c10292f815d4fc096e5f05be21cce76icedid.exe
  2⤵
  - Executes dropped EXE
  PID:1688

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2796

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:2844
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259421613.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2160

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:2596
- 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:2592

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
2.3MB

MD5
1bb2a20f5e4a500debdf1b296a932fa3

SHA1
01885b6c7eaa78c37a675adcb4dddb112949c052

SHA256
47d5d14f1b3b7875e425100d89c04f5b87adde4d4caa002fd58a1b849a50c7ae

SHA512
39143aeb756756c2697fa8daf9c576f056966f14cb7e80073651ce004205da1e17f0a1da9b1c5a42764a066c0023ba66c4be14a5c51c6ee5fc0bb934a99c58d2

Download Submit
\Users\Admin\AppData\Local\Temp\HD_202409074c10292f815d4fc096e5f05be21cce76icedid.exe

Filesize
3.7MB

MD5
abe90d2390948dfabf0d63a2333eef47

SHA1
fd17091a2434685336425f89ea27d802ed88ef25

SHA256
4add69ca218fe536c80c54176ee9c12b9c877a797b44c2af9b6142dc69ef8d95

SHA512
c816a3e16bf61d1692509de810f6db4a3225b5e0cc59f188abd997bbf052d9c702a5eff8155d976f28738c62a25b4057017af7e0aab7712c7f841a2bc2208dc2

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\259421613.txt

Filesize
899KB

MD5
c6745d4af393ca288af8576b56c3f6c2

SHA1
96aa44449eea55b57fef8deea0a404ebd45af41e

SHA256
6a444a20bcfb1df64d096096239246f5bd4ce4ff8c8c75b2a72f3a9e732f5b7c

SHA512
ae4d6749b8e22f337dbb5ca9d8ab1d45933f9af4f5badd74d7e048e48ed5356e2d8544bdac899dda5acac354080ddfa7ea039eab87e085f9c7d720cc329a65bf

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2444-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2444-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2444-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download