gh0strat | fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 11:00

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General

Target
fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
Size 14.7MB
Sample240625-m32apawamf
SHA256 fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4
MD5 09f60681a79914c6964d07d337f30cd3
SHA1 b1ebbcaa1c4081e07b96586254e3a50b225031ef
SHA512 087d89e05d5cabb21d33ca172ba10d32a0ad3337f3bdc868f81e738b63cea216946ec3323e934db85c21c6c79ae43ec27febf9c08a4fd3d69448e4b86eeed80e
SSDEEP 393216:c7bXh8feDIm/mLMn57MBqzhp9NxPsUoKjRsf:UbXhampn5brpkth
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/1172-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1172-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4260-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4260-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/448-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/448-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/448-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233fd-5.dat	family_gh0strat
behavioral2/memory/1172-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1172-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4260-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4260-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/448-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/448-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/448-42-0x0000000010000000-0x00000000101B6000-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\\240601578.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
4148	R.exe
1172	N.exe
4260	TXPlatfor.exe
448	TXPlatfor.exe
1920	HD_fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
1888	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4148	R.exe
1588	svchost.exe
1888	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1172-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1172-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1172-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4260-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4260-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4260-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/448-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/448-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/448-42-0x0000000010000000-0x00000000101B6000-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\240601578.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.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	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.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
2112	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
448	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1172	N.exe
Token: SeLoadDriverPrivilege	448	TXPlatfor.exe
Token: 33	448	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	448	TXPlatfor.exe
Token: 33	448	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	448	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4148	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	81
PID 4544 wrote to memory of 4148	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	81
PID 4544 wrote to memory of 4148	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	81
PID 4544 wrote to memory of 1172	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	84
PID 4544 wrote to memory of 1172	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	84
PID 4544 wrote to memory of 1172	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	84
PID 1172 wrote to memory of 4332	1172	N.exe	86
PID 1172 wrote to memory of 4332	1172	N.exe	86
PID 1172 wrote to memory of 4332	1172	N.exe	86
PID 4260 wrote to memory of 448	4260	TXPlatfor.exe	88
PID 4260 wrote to memory of 448	4260	TXPlatfor.exe	88
PID 4260 wrote to memory of 448	4260	TXPlatfor.exe	88
PID 4332 wrote to memory of 2112	4332	cmd.exe	89
PID 4332 wrote to memory of 2112	4332	cmd.exe	89
PID 4332 wrote to memory of 2112	4332	cmd.exe	89
PID 4544 wrote to memory of 1920	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	90
PID 4544 wrote to memory of 1920	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	90
PID 4544 wrote to memory of 1920	4544	fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe	90
PID 1588 wrote to memory of 1888	1588	svchost.exe	91
PID 1588 wrote to memory of 1888	1588	svchost.exe	91
PID 1588 wrote to memory of 1888	1588	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
"C:\Users\Admin\AppData\Local\Temp\fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544
- 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:4148
- 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:1172
- - 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:4332
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2112
- C:\Users\Admin\AppData\Local\Temp\HD_fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
  2⤵
  - Executes dropped EXE
  PID:1920

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:212

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:1588
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601578.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1888

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4260
- 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:448

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 2.3MB
SHA256 35dd5f0d09d20da3d6005fcda506c5c3435ba9a67de344de36519b00f75c260d
MD5 e6a3f37a876851aff2af32e4190b6edc
SHA1 c30f89197747bd1537ae2dfc01b0580641ec8cff
SHA512 425da980c1ff3a52d4a878b29b22baeda9a19f9bb1f5391e0ee1e71dfe4975c8e8eeafb0af848e275333764866494e7eeac24613ad88b387907a321521e5f0ed
SSDEEP 24576:SCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHo:SCwsbCANnKXferL7Vwe/Gg0P+Wh1T+yZ
MD5 SHA1 SHA512 SSDEEP

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HD_fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_fde44a6a73f42960eea0c825e48e5efc71765de093309b4c79aa281928ff27a4.exe
Size 12.4MB
SHA256 94619882d952a1f911bc31969e621f84e4df4c628f7d0b639fe8625850b0968c
MD5 33697410695c2e6ac1edb1d06a83e11e
SHA1 b2bea8fb87f8907d4d6df95a7d0defbac036fb5d
SHA512 82310fe480140b3fb593b213414cf5044ed5191ab0dcc32eade167bc788ce8a54bb6923dc9ff9de0630b644e3c005771e9619cb4d4e11819fe17cc1c63e2f0a2
SSDEEP 393216:eXh8feDIm/mLMn57MBqzhp9NxPsUoKjRsf:eXhampn5brpkth
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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240601578.txt

Path C:\Windows\SysWOW64\240601578.txt
Size 899KB
SHA256 2ca593908d6e16adc1970ee81fd8dc89319805c994be4d414bf080b6a1727ea0
MD5 97667c1c6a9a5b480cfccfb142d4c0e8
SHA1 b565d70a6891ae6de8ed3ffd535583de38257a84
SHA512 97ac7108f44592968fdd3e41ed8f230f279431efd8bdd95b35a2d2f8498dffbd1033102affdcff3e10da1932e19090ab948a1d55fff15912cff05683c1f9c324
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX/:7wqd87V/
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/448-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/448-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/448-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1172-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1172-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1172-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1172-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1920-70-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-46-0x0000000000400000-0x0000000001527000-memory.dmp

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memory/1920-59-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-61-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-74-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-78-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-81-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-67-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-64-0x0000000006DC0000-0x0000000007182000-memory.dmp

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memory/1920-88-0x0000000000400000-0x0000000001527000-memory.dmp

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memory/4260-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4260-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4260-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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