gh0strat | bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511

Analysis

max time kernel
150s
max time network
151s
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, 12:50

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General

Target
bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
Size 3.8MB
Sample240625-p29xjs1bld
SHA256 bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511
MD5 8f939e5ef523fa728c3ebc5463631844
SHA1 7ed210252d6fa874118ea24b2a651463fbfa6a1a
SHA512 6b7abd3c1623b9b4baf75665a64ec4fa3ae58b00e6e329b939bc8f92cb931ab8801c9178e91dcfd029717c9e1b33cf2baba7aee1b27a91dbfcd11b254c27b746
SSDEEP 49152:ZCwsbCANnKXferL7Vwe/Gg0P+Whf1v+x6CD/LTRiXxYPxyg31p8:Uws2ANnKXOaeOgmhf1mAs/LT7p1+
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/4840-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3936-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023575-5.dat	family_gh0strat
behavioral2/memory/4840-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3936-56-0x0000000010000000-0x00000000101B6000-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\\240598328.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
2764	R.exe
4840	N.exe
3132	TXPlatfor.exe
3936	TXPlatfor.exe
2148	HD_bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
1712	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2764	R.exe
4024	svchost.exe
1712	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4840-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3936-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240598328.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 opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.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
4224	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3936	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4840	N.exe
Token: SeLoadDriverPrivilege	3936	TXPlatfor.exe
Token: 33	3936	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatfor.exe
Token: 33	3936	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3936	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2764	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	83
PID 2128 wrote to memory of 2764	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	83
PID 2128 wrote to memory of 2764	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	83
PID 2128 wrote to memory of 4840	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	86
PID 2128 wrote to memory of 4840	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	86
PID 2128 wrote to memory of 4840	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	86
PID 3132 wrote to memory of 3936	3132	TXPlatfor.exe	91
PID 3132 wrote to memory of 3936	3132	TXPlatfor.exe	91
PID 3132 wrote to memory of 3936	3132	TXPlatfor.exe	91
PID 4840 wrote to memory of 540	4840	N.exe	90
PID 4840 wrote to memory of 540	4840	N.exe	90
PID 4840 wrote to memory of 540	4840	N.exe	90
PID 2128 wrote to memory of 2148	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	92
PID 2128 wrote to memory of 2148	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	92
PID 2128 wrote to memory of 2148	2128	bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe	92
PID 540 wrote to memory of 4224	540	cmd.exe	94
PID 540 wrote to memory of 4224	540	cmd.exe	94
PID 540 wrote to memory of 4224	540	cmd.exe	94
PID 4024 wrote to memory of 1712	4024	svchost.exe	100
PID 4024 wrote to memory of 1712	4024	svchost.exe	100
PID 4024 wrote to memory of 1712	4024	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
"C:\Users\Admin\AppData\Local\Temp\bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- 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:2764
- 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:4840
- - 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:540
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4224
- C:\Users\Admin\AppData\Local\Temp\HD_bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
  C:\Users\Admin\AppData\Local\Temp\HD_bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
  2⤵
  - Executes dropped EXE
  PID:2148

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2956

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:4024
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598328.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1712

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3132
- 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:3936

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_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 18b98442905e9ef3147f94bda04a93bd296a5ca6eb1b60714c23ef6bdf36d693
MD5 6f3cb24602f71e5e6af0e06e04eff9a6
SHA1 05115b6b33167e102f4267a8ffb6125b8a214c8d
SHA512 f0732d2e9cf12f2a074eb2f104f2832a49c713e45a9e9d89c76704ebbb51bdf1777f990ee847b435e06aa9fc00c4436500a2777b35b402ed32c1f6cf232589d1
SSDEEP 24576:ZCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHu:ZCwsbCANnKXferL7Vwe/Gg0P+Whf1v+o
MD5 SHA1 SHA512 SSDEEP

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HD_bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_bad835a07ee011a4dc00b21926d7c122d3cbd915fee33bf5eee9146e66cef511.exe
Size 1.2MB
SHA256 284594e2ac0c95a9a81be92fcf38bdb3171b8fcf6ed06e1b8d6dd5f59720b0eb
MD5 ecfe565d982a8bba96571eccd4d0d7e9
SHA1 5e92ab0c869ce94e3127bfa77f730420589a63d9
SHA512 515cf16606cf47a7cc49aab030636586ac5a8f5eb35abf1890d070ee1d47608ac75f21fde10504a0bbea5de9cb1fa2f98b118dda2e0aaf964cd646eca78e5570
SSDEEP 24576:j6XhgD/LkM1PtRio/Ws2fb1YPxyg12s1FPpS:j6CD/LTRiXxYPxyg31p8
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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240598328.txt

Path C:\Windows\SysWOW64\240598328.txt
Size 899KB
SHA256 170b0b7299002c116adac3f9e2a0ce26cae44c08b88d4f1c56deca71edcebd74
MD5 20a7b5f0427dca4787241048a4377ef6
SHA1 56f588de747d8c3b2dcfbe525404ddc45c235e67
SHA512 1ecddf089f24762783de6be6ea850633415cd658ae2a54a9ea329ba562974d1fb41243ecfb9417b66b8cae8f0e636af4ef57f12572aed3ed22333bd934be201b
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXN:7wqd87VN
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/3132-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3936-49-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3936-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3936-56-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4840-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4840-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4840-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4840-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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