gh0strat | 1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b

General

Target

1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.exe
Size

1.2MB
MD5

7b3f3f199be8c6a7a7a1afa6ff417993
SHA1

14a99e28dc93f406fb8ec4b753468cfb11aa3ac2
SHA256

1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b
SHA512

ffbebea05c8ad0cf992722089167efba634d0728100300ce17e4f9c5c7a91fd004db6ed1f6b05ece89d1ef36f54ae14bb1a4e70ff04444896189ca584af5e6fc
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtib:WIwgMEuy+inDfp3/XoCw57XYBwKb

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/2740-28-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-29-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016dd0-14.dat	family_gh0strat
behavioral1/memory/2740-28-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2740-29-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2804-53-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2804-49-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2804-54-0x0000000010000000-0x00000000101BA000-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

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2488-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/2488-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2740-28-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2740-29-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2740-26-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2804-53-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2804-49-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2804-54-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

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	1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.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
2800	cmd.exe
2992	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2992	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.exe
2488	1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.exe

C:\Users\Admin\AppData\Local\Temp\1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.exe
"C:\Users\Admin\AppData\Local\Temp\1795e8ac1ab5ed3064d009596c445f78d557884b870428de2a417344d8ef9b1b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2488
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  PID:1544
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.exe
  2⤵
  PID:2740
- - 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:2800
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2992
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:1960

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2140

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
PID:2892
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.exe -acsi
  2⤵
  PID:2804

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 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\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Users\Admin\AppData\Local\Temp\AK47.exe

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Windows\SysWOW64\259446822.txt

Filesize
49KB

MD5
c3d5ccc39869fa23fe8b7df306244204

SHA1
5967f0dce9e61d6174b0e5450604fb89285bcab9

SHA256
06444906762f866ebb7589b780f851674e40c0357d01245933d10c72dd306f8b

SHA512
0d8f13c4f725e1b3c0ee6b449d6a6f25e58004f6098d213a264cfdc25030ebedac4bccf03a6493950fae2be1937e406242c5f29882256a5b788593860aab8254

Download Submit
memory/2488-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2740-28-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2740-29-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2740-26-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2804-53-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2804-49-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2804-54-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download

Analysis

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