gh0strat | c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 14:06

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General

Target
c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
Size 2.7MB
Sample240625-renf5sthmb
SHA256 c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3
MD5 dd95f30b97da2f3d6149b2e17abe2a4f
SHA1 24edabe1c339b3038de63fa4e67d0e4baad684e7
SHA512 37946833f9bc159aab2212aa7174d93eb59f40cba9766e23d63e57a84be939d67e6084cf8fa78236a718169f34cc1088a9f0d0214c14e6d48cefc705266c2595
SSDEEP 49152:xCwsbCANnKXferL7Vwe/Gg0P+Wh/3BcLrQ2:8ws2ANnKXOaeOgmh/3s
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5064-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5064-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023680-5.dat	family_gh0strat
behavioral2/memory/908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5064-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5064-45-0x0000000010000000-0x00000000101B6000-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\\240642734.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
1684	R.exe
908	N.exe
1584	TXPlatfor.exe
5064	TXPlatfor.exe
788	HD_c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
2784	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1684	R.exe
2308	svchost.exe
2784	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/908-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5064-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5064-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5064-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240642734.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2808	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5064	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	908	N.exe
Token: SeLoadDriverPrivilege	5064	TXPlatfor.exe
Token: 33	5064	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5064	TXPlatfor.exe
Token: 33	5064	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5064	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1684	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	90
PID 2820 wrote to memory of 1684	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	90
PID 2820 wrote to memory of 1684	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	90
PID 2820 wrote to memory of 908	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	93
PID 2820 wrote to memory of 908	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	93
PID 2820 wrote to memory of 908	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	93
PID 908 wrote to memory of 2648	908	N.exe	95
PID 908 wrote to memory of 2648	908	N.exe	95
PID 908 wrote to memory of 2648	908	N.exe	95
PID 1584 wrote to memory of 5064	1584	TXPlatfor.exe	96
PID 1584 wrote to memory of 5064	1584	TXPlatfor.exe	96
PID 1584 wrote to memory of 5064	1584	TXPlatfor.exe	96
PID 2820 wrote to memory of 788	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	97
PID 2820 wrote to memory of 788	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	97
PID 2820 wrote to memory of 788	2820	c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe	97
PID 2648 wrote to memory of 2808	2648	cmd.exe	99
PID 2648 wrote to memory of 2808	2648	cmd.exe	99
PID 2648 wrote to memory of 2808	2648	cmd.exe	99
PID 2308 wrote to memory of 2784	2308	svchost.exe	105
PID 2308 wrote to memory of 2784	2308	svchost.exe	105
PID 2308 wrote to memory of 2784	2308	svchost.exe	105

C:\Users\Admin\AppData\Local\Temp\c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
"C:\Users\Admin\AppData\Local\Temp\c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820
- 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
  PID:1684
- 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:908
- - 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:2648
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2808
- C:\Users\Admin\AppData\Local\Temp\HD_c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
  2⤵
  - Executes dropped EXE
  PID:788

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1680

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:2308
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240642734.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2784

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1584
- 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:5064

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4076,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=1284 /prefetch:8
1⤵
PID:3048

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 00238631ce0157b6a594593aabb4f107f61abf7e3192c75a116496a21b422051
MD5 fd0ff3468381ecdd6190f19e4329cb35
SHA1 78929051058db3401364f59b4f8106c2a9509327
SHA512 e51b3bdd1d7f4c2fd5a5baf0b2aac9144d0f11354a6a81c50cbdfa2fc1f71d7aa1cf2716257ab2434611b46d1647c2f8b2b1b538a54589e192d219a36705afca
SSDEEP 24576:xCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHR:xCwsbCANnKXferL7Vwe/Gg0P+Wh/C
MD5 SHA1 SHA512 SSDEEP

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HD_c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_c490d2fae11dede9a3ed2d3fd7be948fbf1d8d7b7cd9a777d75f68f168631af3.exe
Size 271KB
SHA256 8992fd9494ab714787f3c62a463728653f06de00ef3a1a05a3e73f529cd24dde
MD5 f19d4d223c7df02968f08c78dff5a489
SHA1 3dcf45e26d8d079cbc07b889688a2a122b471d06
SHA512 47406632bef25bb066c4a7c31438543aba82f70753f663222a4ce482d1058b73cb493e1d99e816cf871cc15fbe65737a4c0d5d5ee2a2ae117fffb3e8ee588465
SSDEEP 6144:bMKyQdyS04cBkJJvbekAvfuDYyTW4W75YcPZQ50:bD9dr04cBkbqkAvGZxW75bZQ2
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240642734.txt

Path C:\Windows\SysWOW64\240642734.txt
Size 899KB
SHA256 eb39478ec7931428c8f94d0017443a77066fd5280863bf97f249c8dc8bb6546c
MD5 bce0a01038d712ea32156f8124560412
SHA1 c9b49a3e500401b3c68e32b9ac93c6323054f2bd
SHA512 50e3a224d70b94082f73e3cde2f39e1a3ff930781b0013a1828b2b1ecbd98f3bdca8a7a0a61210b6e8ab4bcba8cd065cb196ed8080a476d43fc08f43a4937bc5
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXy:7wqd87Vy
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/908-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/908-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/908-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/908-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1584-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1584-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1584-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5064-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5064-44-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5064-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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