gh0strat | 745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 02:44

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General

Target
745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
Size 3.4MB
Sample240529-c8jmqagc55
SHA256 745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a
MD5 a661fd5cc77dd90803435e8d9c26ab6a
SHA1 e6a7ef8c815d9471b5b4c3cbcf148f610adae4ed
SHA512 5e03875cc7cca86b237f9f63495d841e008cc7451d5f9956f94f8798fb14dbf3aaede0756e9cd055708c720c4cf670969de8e54f598fc06ab4323eaad3521d5a
SSDEEP 49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhwJDmn2uO0YZZuOZ:Uws2ANnKXOaeOgmhwJDmn2uO0YZZuY
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/1580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1580-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1580-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000900000002341e-5.dat	family_gh0strat
behavioral2/memory/1580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1580-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1580-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-56-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240600593.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
4028	R.exe
1580	N.exe
3224	TXPlatfor.exe
3664	TXPlatfor.exe
4088	HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
1428	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4028	R.exe
5088	svchost.exe
1428	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1580-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1580-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1580-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3224-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3224-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3224-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240600593.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	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.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
752	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3664	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1580	N.exe
Token: SeLoadDriverPrivilege	3664	TXPlatfor.exe
Token: 33	3664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3664	TXPlatfor.exe
Token: 33	3664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3664	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4028	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	83
PID 4864 wrote to memory of 4028	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	83
PID 4864 wrote to memory of 4028	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	83
PID 4864 wrote to memory of 1580	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	86
PID 4864 wrote to memory of 1580	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	86
PID 4864 wrote to memory of 1580	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	86
PID 1580 wrote to memory of 4920	1580	N.exe	89
PID 1580 wrote to memory of 4920	1580	N.exe	89
PID 1580 wrote to memory of 4920	1580	N.exe	89
PID 3224 wrote to memory of 3664	3224	TXPlatfor.exe	90
PID 3224 wrote to memory of 3664	3224	TXPlatfor.exe	90
PID 3224 wrote to memory of 3664	3224	TXPlatfor.exe	90
PID 4864 wrote to memory of 4088	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	91
PID 4864 wrote to memory of 4088	4864	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	91
PID 4920 wrote to memory of 752	4920	cmd.exe	94
PID 4920 wrote to memory of 752	4920	cmd.exe	94
PID 4920 wrote to memory of 752	4920	cmd.exe	94
PID 5088 wrote to memory of 1428	5088	svchost.exe	101
PID 5088 wrote to memory of 1428	5088	svchost.exe	101
PID 5088 wrote to memory of 1428	5088	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
"C:\Users\Admin\AppData\Local\Temp\745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4028
- 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:1580
- - 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:4920
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:752
- C:\Users\Admin\AppData\Local\Temp\HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
  C:\Users\Admin\AppData\Local\Temp\HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
  2⤵
  - Executes dropped EXE
  PID:4088

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3484

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:5088
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600593.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1428

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3224
- 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:3664

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

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_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
Size 795KB
SHA256 ebb2e909c542c66c0a2a8ccb6744e056659285749c771de3a330a6eec5c3fc9c
MD5 f14fc9f534c942187db6c5b3c24f618d
SHA1 16904b99a5740e5109ffa994be486e7e68ec9ac5
SHA512 3d96c582143a65b3e4607a2b69aca3a6816ae2e617cdf7bc5734f6402e80f966412e8a30026c83553533789a64a58323adafddb094bfbf0867ca7eeb8edc14ce
SSDEEP 12288:M/l1saJw2K/ZOkBsdmfFFcxhNbBaOAN1OzQBkf0vyC2ZuCkeSo:+WaISJhNCN1YfhZuCHSo
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 a49d65d226568be7b2b66774db17ea3dcb7412d780e400f730c36c3a81b7570c
MD5 38cc0a684279c19b41c55109aac50d90
SHA1 4b7ec9154d0e3ae331fcce06b69beeb3d7454b69
SHA512 80a392506d31735b760b20128136d827933e7db7bcc07c09673dcfb75382dc586d3d76e7236ec7a5c9e722ec88fd6d757516f8a43c6c4f08464ecedfb6685d85
SSDEEP 49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhwJDmn21:Uws2ANnKXOaeOgmhwJDmn21
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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240600593.txt

Path C:\Windows\SysWOW64\240600593.txt
Size 899KB
SHA256 cf6a571461e01b178a764af72af9f81f7436c4401d5ff1b27e3bf043b448b7f4
MD5 31f20a09b1519c434efe599ea41831c8
SHA1 acefe962b242d03a02409fe0268d94f17ffd9d5c
SHA512 b674c258b24df0120062c02f366e6083829f7f1c90e7d929bd073ee07a8efea77fc09cbf211b73f51e0d61b02bff39b29a63b4f184728f6f1a676d100aa77063
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXa:7wqd87Va
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/1580-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1580-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1580-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1580-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3224-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3224-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3224-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3664-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3664-54-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3664-56-0x0000000010000000-0x00000000101B6000-memory.dmp

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