gh0strat | 9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0

Analysis

max time kernel
158s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 13:26

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General

Target
9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
Size 3.1MB
Sample240625-qpvsjasdqa
SHA256 9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0
MD5 2fb627c724d4f4f6313eb54ebee46d79
SHA1 041002c54485cd3e7d306296c0b0eee431f7f298
SHA512 8cbd0ca1506572841cbbacdf3b2489541ca3f7c9712310f63ebc76ba400c96972cdf9298c093ffecb43fe46d801e1ced6fcda2004ff5b2a3121d3cc0dcac4bcd
SSDEEP 49152:sCwsbCANnKXferL7Vwe/Gg0P+Wh6A3eN5BA3:/ws2ANnKXOaeOgmhG5
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/2184-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2184-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2184-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4780-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4780-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4012-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4012-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4012-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023264-5.dat	family_gh0strat
behavioral2/memory/2184-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2184-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2184-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4780-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4780-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4012-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4012-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4012-52-0x0000000010000000-0x00000000101B6000-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\\240660562.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
3116	R.exe
2184	N.exe
4780	TXPlatfor.exe
2196	HD_9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
4012	TXPlatfor.exe
2252	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3116	R.exe
2108	svchost.exe
2252	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2184-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4012-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4012-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4012-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240660562.txt	R.exe
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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3620	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4012	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2184	N.exe
Token: SeLoadDriverPrivilege	4012	TXPlatfor.exe
Token: 33	4012	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4012	TXPlatfor.exe
Token: 33	4012	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4012	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 3116	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	89
PID 864 wrote to memory of 3116	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	89
PID 864 wrote to memory of 3116	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	89
PID 864 wrote to memory of 2184	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	92
PID 864 wrote to memory of 2184	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	92
PID 864 wrote to memory of 2184	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	92
PID 864 wrote to memory of 2196	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	94
PID 864 wrote to memory of 2196	864	9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe	94
PID 4780 wrote to memory of 4012	4780	TXPlatfor.exe	96
PID 4780 wrote to memory of 4012	4780	TXPlatfor.exe	96
PID 4780 wrote to memory of 4012	4780	TXPlatfor.exe	96
PID 2184 wrote to memory of 3968	2184	N.exe	95
PID 2184 wrote to memory of 3968	2184	N.exe	95
PID 2184 wrote to memory of 3968	2184	N.exe	95
PID 3968 wrote to memory of 3620	3968	cmd.exe	99
PID 3968 wrote to memory of 3620	3968	cmd.exe	99
PID 3968 wrote to memory of 3620	3968	cmd.exe	99
PID 2108 wrote to memory of 2252	2108	svchost.exe	100
PID 2108 wrote to memory of 2252	2108	svchost.exe	100
PID 2108 wrote to memory of 2252	2108	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
"C:\Users\Admin\AppData\Local\Temp\9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864
- 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:3116
- 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:2184
- - 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:3968
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3620
- C:\Users\Admin\AppData\Local\Temp\HD_9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
  2⤵
  - Executes dropped EXE
  PID:2196

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3104

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:2108
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240660562.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2252

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4780
- 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:4012

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 --mojo-platform-channel-handle=4172 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:1820

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_9820c087d6ad8bcd9c9ed0e650f79197b361bef3e1a90d44814f6e6010037ff0.exe
Size 344KB
SHA256 a4c707b9648d16900506af7bde4eda579b22d2f888925864182f34dee439640b
MD5 8bf52d9348b9f3d243f9c3f780ef691b
SHA1 bc9a05dc082a0711cbc0756b295c1055cd4ee233
SHA512 e6a9d25d8343c512ef32eb28fb1f5d7dcbe4e894ea2cded228a9f99c70f6162cd8e3fbee36f1977ddc6c860ea57c1d3317b73296f39b91ab2701b96b5395178e
SSDEEP 6144:1HTgeiGRy+YyaaxxNnUTJthXxQRLyigMhqyHTt0igtyKOEPKdIulG:h0KRy+YxhiJ9Hc5OqKd
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.7MB
SHA256 a3096defe53ee96901b3e1530207436d6688c4528f68ebc77cc1a112de85d283
MD5 8b9c181d96ffb0ac08dc05e81321e836
SHA1 d5de7abbf146b79b1d3ed004f29fb458bc54db25
SHA512 85eccb21e258373c09d464642cd5edb4e61b016f2a95f165748bb23491ae299400e6a9f878a360df2bb73d5e3b62737d4aa100b12db600e1d2c109709d0db331
SSDEEP 49152:sCwsbCANnKXferL7Vwe/Gg0P+Wh6A3eN+:/ws2ANnKXOaeOgmhG+
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 ec4ffd5e02a2cdb2851ec6755ead771bf4c9b318365b661b676498d6aa84d836
MD5 5ea13226fb3ad03fe5d30d291c950bc4
SHA1 658ce3a355b2c48da5ac2062aec531be255fa43f
SHA512 882f2b3e90be46447d0654af624a7582c8f1ffc1637e3b964b3f196de9986e1fa6fc4e5a6068b4fd7569fef2cee6b5f39f4b471fbe8d3a39bdf62b1e34a2cd70
SSDEEP 24576:uCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHS:uCwsbCANnKXferL7Vwe/Gg0P+Whz4NU
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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X.ico

Path C:\Users\Admin\AppData\Local\Temp\X.ico
Size 69KB
SHA256 020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450
MD5 e33fb6d686b1a8b171349572c5a33f67
SHA1 29f24fe536adf799b69b63c83efadc1bce457a54
SHA512 cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55
SSDEEP 1536:F4GZjzQwK5WW7VCn6KyoFAmu3wtBUniymVq07sZBSTVkOzAqDg:Te5BV0vUniyL4RE
MD5 SHA1 SHA512 SSDEEP

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240660562.txt

Path C:\Windows\SysWOW64\240660562.txt
Size 899KB
SHA256 e87ae09d043ee98f0137f605e9061f53aa968a08298c7c8f3e03aa5ec916f875
MD5 a192ed87ef9c547324fc8a7f256fbd36
SHA1 f79ea2ad2e19ff0db65086c615e042fcac80d425
SHA512 9e7d4c6ba3c463bf174b278d765472940a2059c0191307c507d20e107656dd69c8132758ead30a663c4c142bc1bdc60ccdede5e07698130e5fa1abf37f54b4f0
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXk:7wqd87Vk
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/2184-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2184-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2184-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2184-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4012-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4012-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4012-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4780-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4780-30-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4780-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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