gh0strat | d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b

General

Target

d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
Size

5.7MB
MD5

2b104948ed3fde2c0a835306beb5105d
SHA1

287c6c1e75c98e396dfd96a905ad9dd606f2ec30
SHA256

d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b
SHA512

3c6f2c8a1fe810a22a5faba4d9fa20829356212d6718847de18c4a985d48df6d8518efe334ebb32f38c69583dad22cb027f872f164e5c2a02e2e0cd5f545bed0
SSDEEP

98304:ows2ANnKXOaeOgmhznlEqdpTGvYv+ZI58DGTgsateB:+KXbeO75nlEqfWYmywGTateB

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/1004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4364-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4364-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4796-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4796-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000700000002354d-5.dat	family_gh0strat
behavioral2/memory/1004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4364-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4364-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4796-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4796-46-0x0000000010000000-0x00000000101B6000-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\\240643640.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
1480	R.exe
1004	N.exe
4364	TXPlatfor.exe
4796	TXPlatfor.exe
4576	HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
2328	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1480	R.exe
2908	svchost.exe
2328	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4364-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4364-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4364-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4796-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4796-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4796-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240643640.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2236	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4796	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1004	N.exe
Token: SeLoadDriverPrivilege	4796	TXPlatfor.exe
Token: SeDebugPrivilege	4576	HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
Token: 33	4796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4796	TXPlatfor.exe
Token: 33	4796	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4796	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4576	HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 1480	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	88
PID 8 wrote to memory of 1480	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	88
PID 8 wrote to memory of 1480	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	88
PID 8 wrote to memory of 1004	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	91
PID 8 wrote to memory of 1004	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	91
PID 8 wrote to memory of 1004	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	91
PID 1004 wrote to memory of 2492	1004	N.exe	93
PID 1004 wrote to memory of 2492	1004	N.exe	93
PID 1004 wrote to memory of 2492	1004	N.exe	93
PID 4364 wrote to memory of 4796	4364	TXPlatfor.exe	94
PID 4364 wrote to memory of 4796	4364	TXPlatfor.exe	94
PID 4364 wrote to memory of 4796	4364	TXPlatfor.exe	94
PID 8 wrote to memory of 4576	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	95
PID 8 wrote to memory of 4576	8	d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe	95
PID 2492 wrote to memory of 2236	2492	cmd.exe	97
PID 2492 wrote to memory of 2236	2492	cmd.exe	97
PID 2492 wrote to memory of 2236	2492	cmd.exe	97
PID 2908 wrote to memory of 2328	2908	svchost.exe	102
PID 2908 wrote to memory of 2328	2908	svchost.exe	102
PID 2908 wrote to memory of 2328	2908	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
"C:\Users\Admin\AppData\Local\Temp\d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:8
- 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:1480
- 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:1004
- - 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:2492
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2236
- C:\Users\Admin\AppData\Local\Temp\HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4576

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4116

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:2908
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240643640.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2328

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4364
- 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:4796

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 --no-appcompat-clear --field-trial-handle=3760,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.6MB

MD5
435ab612d3d3ec6d34725ad6e3652448

SHA1
0949cac3bd6739bef3a96a9d439ccbc562441565

SHA256
9c1a48a5fba039d8c7cfb5d62a171c0b06e256b035358f74181c8b43fff7c4a2

SHA512
fa2b8d4ed8314712e79d4b632edf12c6e84e344874bee6a06dff4a6bee9cfe5d20e6a44951e107d5f8b24d9e991d95228f5db4756fa57e18e79817af958eceda

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d3df9f1e73ebe95ae1e804938f3b037ffdd96979a78bd96f90763baa5691735b.exe

Filesize
3.1MB

MD5
fb6cedb2c3d42fbdb6702df120e00fa9

SHA1
e410bb2ccaa31920674517212d7f1218deab599d

SHA256
ceb033e2ead167f047a9eeecf4a1fc8a339e5017ccd0f255a18e643c46685fdf

SHA512
cdcf0e8470e43fe9e4f13e5077d4fa8875e0819ffb027cbdf33211cb743a052ad1bfbba21816d71b450736c741de594ffbc07b0bb1a68e338b61634c0ccaaccb

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240643640.txt

Filesize
899KB

MD5
6764da7779c6b3a74c46f13ffb71bd81

SHA1
79334d6de008874cadb83b40e96bd45273a62036

SHA256
8327ef65d45e39c5e6d53680831ab0773f458e182cb5068e826d92d62139bd3f

SHA512
b690100a52154fc5148268c9a23cffe4df05ff99e964031b1a75c6ce371a7d8d2c20d56f82c3f885638d23bb67c15ef07a0a63fc69a5b5bfaa1d0915108e60ae

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1004-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1004-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1004-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1004-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4364-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4364-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4364-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4576-51-0x000002024C600000-0x000002024C638000-memory.dmp

Filesize
224KB

Download
memory/4576-47-0x0000020247310000-0x00000202475CE000-memory.dmp

Filesize
2.7MB

Download
memory/4576-52-0x0000020247750000-0x000002024775E000-memory.dmp

Filesize
56KB

Download
memory/4576-53-0x000002024BFE0000-0x000002024C088000-memory.dmp

Filesize
672KB

Download
memory/4576-40-0x000002022C890000-0x000002022CBA2000-memory.dmp

Filesize
3.1MB

Download
memory/4796-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4796-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4796-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads