gh0strat | 09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a

General

Target

09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe
Size

1.2MB
MD5

6fb92e7ad1c032133a6162913dad26f7
SHA1

bb92a0978f5efde15c45584ff62d0900109b41c1
SHA256

09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a
SHA512

505631e89fb484a8ea5432c71f999efa3f470db7589f6a1fb9a788a27a20545054a8f868f48626b8ae67388caaa72959033027afd91c61b3627d662260ffd955
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtip:WIwgMEuy+inDfp3/XoCw57XYBwKp

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2732-29-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016dc7-14.dat	family_gh0strat
behavioral1/memory/2732-29-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2848-49-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2848-56-0x0000000010000000-0x00000000101BA000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Loads dropped DLL 2 IoCs

pid	Process
2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe
2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2428-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/2428-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-29-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2732-26-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2848-49-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2848-56-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.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
2096	cmd.exe
2684	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2684	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe
2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 1404	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	30
PID 2428 wrote to memory of 1404	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	30
PID 2428 wrote to memory of 1404	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	30
PID 2428 wrote to memory of 1404	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	30
PID 2428 wrote to memory of 2920	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	31
PID 2428 wrote to memory of 2920	2428	09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe	31

C:\Users\Admin\AppData\Local\Temp\09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe
"C:\Users\Admin\AppData\Local\Temp\09668d64b4b1f2ba65b8b4fc060057cb0cca174690df4c239b3ad55b29328a3a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  PID:1404
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.exe
  2⤵
  PID:2732
- - 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\AK74.exe > nul
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    PID:2096
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2684
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:2648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:624

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2260

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
PID:2784
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.exe -acsi
  2⤵
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AK47.exe

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Users\Admin\AppData\Local\Temp\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Windows\SysWOW64\259436869.txt

Filesize
49KB

MD5
4f5ab73141feb2ea83adba81f2e3d9ab

SHA1
4ad4552072648869218a4d6212bcf4fc116b7c41

SHA256
ca2ee362b93a4eec8f2cbf67c55718765b353498fdb584011975bcbf29833b4b

SHA512
54a46b3dd32cf48af59d8c12fc6e9966c64d269cc1466c58032ceec0f40f1e3997570ee33bc25ac9d50cd0f0832288a9ccae7286333d66d1071c9bedf62bf21c

Download Submit
memory/2428-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2428-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2732-29-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2732-28-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2732-26-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2848-49-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2848-56-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download

Analysis

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