gh0strat | 134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928

General

Target

134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
Size

2.4MB
MD5

c98d30e792a23c496874ba85cd215104
SHA1

0c4a267ef4c3d741ace32da24842ea0ba4f58f8b
SHA256

134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928
SHA512

65702ec90d9b57b77e63f03d239d95e5b7f0f894778be556bd17aa8cbc852128143918b4f4388d12191793668f3979b258b4abfd4306d6e797dff19c3c9c3606
SSDEEP

24576:zCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHM:zCwsbCANnKXferL7Vwe/Gg0P+Whyqn

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3308-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2428-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2428-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023464-5.dat	family_gh0strat
behavioral2/memory/3308-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2428-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2428-45-0x0000000010000000-0x00000000101B6000-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\\240629953.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
2024	R.exe
3308	N.exe
4800	TXPlatfor.exe
2428	TXPlatfor.exe
2772	HD_134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
1732	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2024	R.exe
376	svchost.exe
1732	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3308-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4800-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2428-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2428-45-0x0000000010000000-0x00000000101B6000-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\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240629953.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.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	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4536	cmd.exe
2816	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2816	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2428	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3308	N.exe
Token: SeLoadDriverPrivilege	2428	TXPlatfor.exe
Token: 33	2428	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatfor.exe
Token: 33	2428	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2024	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	83
PID 2100 wrote to memory of 2024	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	83
PID 2100 wrote to memory of 2024	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	83
PID 2100 wrote to memory of 3308	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	89
PID 2100 wrote to memory of 3308	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	89
PID 2100 wrote to memory of 3308	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	89
PID 4800 wrote to memory of 2428	4800	TXPlatfor.exe	91
PID 4800 wrote to memory of 2428	4800	TXPlatfor.exe	91
PID 4800 wrote to memory of 2428	4800	TXPlatfor.exe	91
PID 3308 wrote to memory of 4536	3308	N.exe	92
PID 3308 wrote to memory of 4536	3308	N.exe	92
PID 3308 wrote to memory of 4536	3308	N.exe	92
PID 2100 wrote to memory of 2772	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	93
PID 2100 wrote to memory of 2772	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	93
PID 2100 wrote to memory of 2772	2100	134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe	93
PID 4536 wrote to memory of 2816	4536	cmd.exe	95
PID 4536 wrote to memory of 2816	4536	cmd.exe	95
PID 4536 wrote to memory of 2816	4536	cmd.exe	95
PID 376 wrote to memory of 1732	376	svchost.exe	96
PID 376 wrote to memory of 1732	376	svchost.exe	96
PID 376 wrote to memory of 1732	376	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
"C:\Users\Admin\AppData\Local\Temp\134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2100
- 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
  - System Location Discovery: System Language Discovery
  PID:2024
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3308
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4536
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2816
- C:\Users\Admin\AppData\Local\Temp\HD_134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
  C:\Users\Admin\AppData\Local\Temp\HD_134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240629953.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1732

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4800
- 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:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_134953468413e92fd85ba678a0ea81444c198bd1cc8ebbb7ab7a44b308029928.exe

Filesize
4KB

MD5
3e7129d2ad59861fff6149d1773ee72b

SHA1
bc5e2c3e70db52aec2efb875ce1a181c97e2816d

SHA256
a1609bcb12e240215543da0252706d0b119bd467a0d04c26b1535bcfa68cafbe

SHA512
99da1c307a50486b608a110c9a5270bd4369758aea4cfdf629c782b67c1b2cdd12028ae4fd4bd5f6c6f71be7ab9d5d5a32c563941abcd5c629d7bb3db99640cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.4MB

MD5
ea20b2a8c878b26060ee8c603085c55d

SHA1
2dcce7fb8f2de9dcc3b4f67ed4dd8e17c268423d

SHA256
9cb46807b2148200647355a3669ea26e04fc0468716ab5b8016619f302f9a273

SHA512
25382dffbcc4e5339e840e448c74f211e9f3bcb7604757f23728357ec07957029771cba7067384141ff4b5663559ad8d8b52dc20454ba849de95cb4e96ca69c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240629953.txt

Filesize
899KB

MD5
2f669a90cc86a3eee620f2eeeebe26ff

SHA1
8e2b8df306370277adfe4fea6b00b3ee6fe14abd

SHA256
393df4bf18cfb46a437f034ef391b5a51b70ff11848f12ff58081a11998abd84

SHA512
bc4839fea9c9c3151a335f278791237f5e0ea3d14a81d41b8805a5f7e0334061b239348eaf35f7e6f9946bc6061fb8c4ac44e0f37f9c3bafd03936ccc713c9ae

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2428-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3308-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3308-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3308-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3308-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4800-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4800-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4800-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads