gh0strat | f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436

General

Target

f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.exe
Size

1.2MB
MD5

1a312509454d2fdf78e38db1a7e67353
SHA1

5c1b7e6733d3634d0f18033be570238f2bcd493b
SHA256

f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436
SHA512

196a507aa4b194210929cd7446cf3be20edba9c883307f1002525080fc06db104dc20a92e5c1144d0d3f91a72f752db149870d10f256100f58bb061d9d9d139c
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti0:WIwgMEuy+inDfp3/XoCw57XYBwK0

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2036-23-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2036-24-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-49-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-53-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-54-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016cf0-15.dat	family_gh0strat
behavioral1/memory/2036-23-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2036-24-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2876-49-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2876-53-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2876-54-0x0000000010000000-0x00000000101BA000-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 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1628-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1628-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/files/0x0009000000016d3f-60.dat	vmprotect

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2036-23-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2036-24-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2036-22-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2876-49-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2876-53-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2876-54-0x0000000010000000-0x00000000101BA000-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	f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.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
2512	cmd.exe
2548	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2548	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1628	f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.exe
1628	f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.exe

C:\Users\Admin\AppData\Local\Temp\f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.exe
"C:\Users\Admin\AppData\Local\Temp\f0b1af6d7a693677a534d578a1082fdd667976dfa0ddc3d0085a8e96ea6ee436.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1628
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  PID:1456
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  PID:2212
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.exe
  2⤵
  PID:2036
- - 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:2512
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2548
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:1192
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  PID:2360

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2960

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2940

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
PID:3044
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.exe -acsi
  2⤵
  PID:2876

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\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
bad214ac848de5442e38b3b3f58abb6d

SHA1
976355139a05a32a05175dec56fc363b1649d359

SHA256
280cfb1bad0566729c1076a476615b710dc040f83a7a8fca89f20dff957209f0

SHA512
c837fe2051ebd9d7e8cdf859dbb53b1aaafe8155bb0cbed22fae91caeafd30d5ae122d3ea639735f707bc1a47b464b0733f912521f75316e57b69124485b67c9

Download Submit
\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
\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
81KB

MD5
b90228618ee027e014458b2860118816

SHA1
0fe4c8b2c4fb7e5bb6883c7b4b18c35d39f6b69e

SHA256
ac03627752e610cef3d9fdbf0ee2e346f720fdf3634bc82733aa5bdba2329001

SHA512
79c30da9f17819aa48b0aa0cb1b95a4b25f669f4b95c95d53166e44dae10a83ec88c15a6cc0b849110a7105ddb31fc6a25cbf34f5fb830a152c1ff1ab3fc6f04

Download Submit
\Windows\SysWOW64\259497913.txt

Filesize
49KB

MD5
d1928007e76f6138401084487bd8401d

SHA1
7025ed913413ceb854584b5ea7c0a860cb6cdf88

SHA256
b62f5cde79dabd73ddb79576685e34fabacfe5e052bf2adc57bf07ca9013c943

SHA512
7a935542b30531cabb55a278f9e283090a80592ff639c3a1ce4fc13562e494084206b1c1e76e18ddf6d774b8f98f9d96022032c680205065a405ef104a4434ca

Download Submit
memory/1628-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1628-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2036-24-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2036-22-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2036-23-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2876-49-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2876-53-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2876-54-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download

Analysis

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