gh0strat | 57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf

Analysis

max time kernel
150s
max time network
150s
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, 11:14

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General

Target
57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
Size 3.8MB
Sample240625-nb68aswepf
SHA256 57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf
MD5 b105ed5e6ce0dc3b55ac466221b86188
SHA1 0ddca753226524709ba90d5f597590c3c25402f6
SHA512 dcc1c11f6cceb3590d426706378a14544be56d40fe96a318c22ad38e88ca6828d979d9f972d0404ad4e2cc6de931c65adbfe796e98710b16515074b508109aaa
SSDEEP 49152:tCwsbCANnKXferL7Vwe/Gg0P+Whc+7tjrlkWNE3LOEpFRMwXFULK:Qws2ANnKXOaeOgmhcewOEpFRp1
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/4472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4472-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/764-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/764-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/764-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000700000002340a-5.dat	family_gh0strat
behavioral2/memory/4472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4472-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/764-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/764-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/764-45-0x0000000010000000-0x00000000101B6000-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\\240600562.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
1684	R.exe
4472	N.exe
2980	TXPlatfor.exe
764	TXPlatfor.exe
4912	HD_57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
1512	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1684	R.exe
4608	svchost.exe
1512	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4472-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2980-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2980-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/764-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/764-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/764-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\240600562.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.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\Remote Data.exe	svchost.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	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.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
1868	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
764	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4472	N.exe
Token: SeLoadDriverPrivilege	764	TXPlatfor.exe
Token: 33	764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	764	TXPlatfor.exe
Token: 33	764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	764	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1684	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	80
PID 1120 wrote to memory of 1684	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	80
PID 1120 wrote to memory of 1684	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	80
PID 1120 wrote to memory of 4472	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	83
PID 1120 wrote to memory of 4472	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	83
PID 1120 wrote to memory of 4472	1120	57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe	83
PID 2980 wrote to memory of 764	2980	TXPlatfor.exe	86
PID 2980 wrote to memory of 764	2980	TXPlatfor.exe	86
PID 2980 wrote to memory of 764	2980	TXPlatfor.exe	86
PID 4472 wrote to memory of 636	4472	N.exe	85
PID 4472 wrote to memory of 636	4472	N.exe	85
PID 4472 wrote to memory of 636	4472	N.exe	85
PID 636 wrote to memory of 1868	636	cmd.exe	89
PID 636 wrote to memory of 1868	636	cmd.exe	89
PID 636 wrote to memory of 1868	636	cmd.exe	89
PID 4608 wrote to memory of 1512	4608	svchost.exe	90
PID 4608 wrote to memory of 1512	4608	svchost.exe	90
PID 4608 wrote to memory of 1512	4608	svchost.exe	90

C:\Users\Admin\AppData\Local\Temp\57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
"C:\Users\Admin\AppData\Local\Temp\57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120
- 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:1684
- 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:4472
- - 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:636
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1868
- C:\Users\Admin\AppData\Local\Temp\HD_57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
  C:\Users\Admin\AppData\Local\Temp\HD_57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
  2⤵
  - Executes dropped EXE
  PID:4912

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2740

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:4608
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600562.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1512

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2980
- 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:764

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_57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_57fc566c1078340cb9848804b55b1a35d53dfb79f2d3a23dbb5eb49185ab86cf.exe
Size 1.4MB
SHA256 59c18440839dfc065b9f2a391c2c2371a08bbd0392c8bc8ed73b44e02a0ab815
MD5 5c03327fe456a77caa1fc09a8852c3ff
SHA1 296a739b3bda08d02d0eb868783bb86860f12cb9
SHA512 213729ff371e921b3f1f7f2fb021d94409824a1ed4ba5bf6e9987f65457b90acc37d60bea489f0afa1649372b96b1c8edf6ad9be8ac264a8a9d4cc7f50db3fec
SSDEEP 24576:MV72qVSbeRhrlkWNE3RN8uiIF8CVg7QpFRUbwX0MlwJLK:a7tjrlkWNE3LOEpFRMwXFULK
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 38de8c5dc2cd94eefb134e169db0430af089a78548e7a244038ee7832d01d9c5
MD5 8b86d13306a7257debc747c74827ec6b
SHA1 44a3a6509594131f3e77525c9f5a29edf464af09
SHA512 ce05bed8e440ee5b243adb7cb46eb8044535719d486f40c785249be4948ef83be1f71c0282709d6d8cc98a7873c922ea4bbe57b889e8a2842b06ef9ccb04b7bf
SSDEEP 24576:tCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHo:tCwsbCANnKXferL7Vwe/Gg0P+Whc+
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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240600562.txt

Path C:\Windows\SysWOW64\240600562.txt
Size 899KB
SHA256 e9586b7f4a135c472fc94eb3d60b1e7db0ec0b58aeaeda351965e8bcdf156596
MD5 4742f1971bff0320b3e02996273fe899
SHA1 aaf2d590cccd9145a820123ab84bdc0a773b454b
SHA512 61722899319386db27fb5f872e2742bd17c959f1c69720d7d5e182380298d75f232c09955024f9b19194c8ff3bd09667fda8c2ddbc9d0abec3507f568b106424
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXo:7wqd87Vo
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/764-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/764-44-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/764-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2980-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2980-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2980-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4472-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4472-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4472-22-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4472-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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