gh0strat | 7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 11:21

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General

Target

7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
Size

2.6MB
MD5

491dbf99d152359b6212b0de2e4a5a69
SHA1

70b81df673fd98765ce9023ca3791a6ebdbb0c8c
SHA256

7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e
SHA512

8f6fbe1a2535ff9c801772e846c42b4d2923a43767e27ddff09ba3d2d7396ec9fc26a2e7cba39716a6d37fc5ebe91a05f21634b6d5e29d5bd1a82341821697ba
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2:Vws2ANnKXOaeOgmhPTwM6mn2

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/1516-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1516-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2656-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001471a-6.dat	family_gh0strat
behavioral1/memory/1516-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1516-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2656-49-0x0000000010000000-0x00000000101B6000-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

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\\259399148.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
1948	R.exe
1516	N.exe
3028	TXPlatfor.exe
2656	TXPlatfor.exe
2876	HD_7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
2512	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
1948	R.exe
2932	svchost.exe
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
3028	TXPlatfor.exe
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
2524	Process not Found
2932	svchost.exe
2512	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1516-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1516-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1516-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2656-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259399148.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2736	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2656	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1516	N.exe
Token: SeLoadDriverPrivilege	2656	TXPlatfor.exe
Token: 33	2656	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2656	TXPlatfor.exe
Token: 33	2656	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2656	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 1948	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	28
PID 2428 wrote to memory of 1948	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	28
PID 2428 wrote to memory of 1948	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	28
PID 2428 wrote to memory of 1948	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	28
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 2428 wrote to memory of 1516	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	31
PID 1516 wrote to memory of 2624	1516	N.exe	33
PID 1516 wrote to memory of 2624	1516	N.exe	33
PID 1516 wrote to memory of 2624	1516	N.exe	33
PID 1516 wrote to memory of 2624	1516	N.exe	33
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 3028 wrote to memory of 2656	3028	TXPlatfor.exe	34
PID 2428 wrote to memory of 2876	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	36
PID 2428 wrote to memory of 2876	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	36
PID 2428 wrote to memory of 2876	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	36
PID 2428 wrote to memory of 2876	2428	7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe	36
PID 2624 wrote to memory of 2736	2624	cmd.exe	38
PID 2624 wrote to memory of 2736	2624	cmd.exe	38
PID 2624 wrote to memory of 2736	2624	cmd.exe	38
PID 2624 wrote to memory of 2736	2624	cmd.exe	38
PID 2932 wrote to memory of 2512	2932	svchost.exe	39
PID 2932 wrote to memory of 2512	2932	svchost.exe	39
PID 2932 wrote to memory of 2512	2932	svchost.exe	39
PID 2932 wrote to memory of 2512	2932	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
"C:\Users\Admin\AppData\Local\Temp\7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428
- 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:1948
- 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:1516
- - 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:2624
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2736
- C:\Users\Admin\AppData\Local\Temp\HD_7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe
  2⤵
  - Executes dropped EXE
  PID:2876

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2916

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:2932
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399148.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2512

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- 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:2656

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_7e93f915f666e9e3a9410a04255f91a6ed13df611b5768dc7dd8eedcf60d4e7e.exe

Filesize
23KB

MD5
975a9ad52f8507bd54b6da3a5661d1ba

SHA1
d912a4c914c61144c0f16e09e73479db43fa684a

SHA256
ccee4557ca0ac8b0833dec4307e82a0163309ebd23271d4f1a308cb6aac6f04a

SHA512
bc4874bcb42bc77c75481d9b95d6f936dee0998678b098e47008582b2d8e40dfc0576fb179fe8ed27bbc7753c4fcc0e278beeb9da741095b3d5708b2fb1c97aa

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

Filesize
2.6MB

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

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\259399148.txt

Filesize
899KB

MD5
3ab9700581e7abd800c6f93feccd95e7

SHA1
da7c7ff14afda9b914e83d2b1eaf2b9b714345b8

SHA256
cae90ef2e7212ce7632d0b67157648c28a3f0e2f2683d71ce8112fcd492d0457

SHA512
604b281f8eed9fb31fca13c327f871cef79c79f4088060b65e4ae046d5c546ea019a08b59210dede18a443572aeb65132d1995dceec9241d948313bbaa7d7d64

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1516-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1516-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1516-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2656-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download