gh0strat | 572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d

Analysis

max time kernel
150s
max time network
147s
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, 11:29

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General

Target
572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
Size 14.6MB
Sample240625-nlntpszfjm
SHA256 572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d
MD5 f2af26d2093769b028e8d001590d98fe
SHA1 079873a8cea7cfe1b923c140c11bc58b2efe57ef
SHA512 514c1a43404b588d8fdb7dad50db39d0dacdbdb02301ce48fabc57021f6321d724fe62e07a4aac7b6212cc8c24cf86e9ef88bf5a5ace067d6039d644bc504bd2
SSDEEP 196608:zKXbeO7vfeB7F5rjdivadBo2nnWb+wQ3IKlTJ9SzG6++i:Y7vmB7jrZiydiqr19SzG6++i
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/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1652-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1652-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1652-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023403-5.dat	family_gh0strat
behavioral2/memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1652-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1652-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1652-40-0x0000000010000000-0x00000000101B6000-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\\240599671.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
4400	R.exe
1328	N.exe
3020	TXPlatfor.exe
1652	TXPlatfor.exe
3264	HD_572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
5040	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4400	R.exe
3620	svchost.exe
5040	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1328-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3020-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1652-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1652-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1652-40-0x0000000010000000-0x00000000101B6000-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\240599671.txt	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	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.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
1828	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1652	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1328	N.exe
Token: SeLoadDriverPrivilege	1652	TXPlatfor.exe
Token: 33	1652	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1652	TXPlatfor.exe
Token: 33	1652	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1652	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 4400	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	81
PID 4312 wrote to memory of 4400	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	81
PID 4312 wrote to memory of 4400	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	81
PID 4312 wrote to memory of 1328	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	84
PID 4312 wrote to memory of 1328	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	84
PID 4312 wrote to memory of 1328	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	84
PID 3020 wrote to memory of 1652	3020	TXPlatfor.exe	86
PID 3020 wrote to memory of 1652	3020	TXPlatfor.exe	86
PID 3020 wrote to memory of 1652	3020	TXPlatfor.exe	86
PID 1328 wrote to memory of 3076	1328	N.exe	87
PID 1328 wrote to memory of 3076	1328	N.exe	87
PID 1328 wrote to memory of 3076	1328	N.exe	87
PID 3076 wrote to memory of 1828	3076	cmd.exe	89
PID 3076 wrote to memory of 1828	3076	cmd.exe	89
PID 3076 wrote to memory of 1828	3076	cmd.exe	89
PID 4312 wrote to memory of 3264	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	90
PID 4312 wrote to memory of 3264	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	90
PID 4312 wrote to memory of 3264	4312	572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe	90
PID 3620 wrote to memory of 5040	3620	svchost.exe	91
PID 3620 wrote to memory of 5040	3620	svchost.exe	91
PID 3620 wrote to memory of 5040	3620	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
"C:\Users\Admin\AppData\Local\Temp\572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4312
- 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:4400
- 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:1328
- - 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:3076
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1828
- C:\Users\Admin\AppData\Local\Temp\HD_572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
  2⤵
  - Executes dropped EXE
  PID:3264

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1836

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:3620
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599671.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5040

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3020
- 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:1652

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_572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_572ecce61e670440cd716887d873b80b980bf5923d2756c771384e1c8fcee35d.exe
Size 12.2MB
SHA256 9d0cb47867478848fc5e1af80f431a4d6a09ed25ad38bdf586dc7ec8e259548d
MD5 af1e78552eff6f039d4b5ab9092615cc
SHA1 f42cf985dff7f0fb8c7c6a9eeb0cf35f36534aca
SHA512 9a155a767f32ba50a61102a99d1ed94869ca711b4b4173cf4f358c3b54ef69f50d7ea7fa7844321bf49a3ba38f50fef119f8ca73175f3b2318e8990e3e0b838f
SSDEEP 196608:LeB7F5rjdivadBo2nnWb+wQ3IKlTJ9SzG6++i:iB7jrZiydiqr19SzG6++i
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.3MB
SHA256 fa2a9c6c14d0918556d68ebeed9421be964ad5d492389ea2d5d700c824843921
MD5 44e3d53908de480618d75a0d3d393ee5
SHA1 d4f1ba7299cd88bfb7a514284a9cff49db2b0183
SHA512 88f98338dd427d0ef9db3c3e801fc735301119579e0f7ffd25f17d8d5704838550ac537e5f3a0e1b8ab00b579e75418f87697467f2d670e204ecc314b681184d
SSDEEP 24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH7:WCwsbCANnKXferL7Vwe/Gg0P+WhlG
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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240599671.txt

Path C:\Windows\SysWOW64\240599671.txt
Size 899KB
SHA256 a3bf2550a978a8a58ba05a1c5efd02d27a6493fb71b3122fb0a1184884038c09
MD5 4b1084c20a5a3c4de5bee59e2d855f27
SHA1 d882ea436201d49b7c6ead2784b60e7b373b149a
SHA512 5a36ba63d2615cb0f3dc5d9f1c3d1d72e22344882fc24f8eeecbf1b93d687d5bb49362a2ae35347c6361cdf3125840421a492db85fe66ac2cf4769096e22e8fa
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXg:7wqd87Vg
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/1328-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1328-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1328-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1328-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1652-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1652-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1652-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3020-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3020-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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