gh0strat | 5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d

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
26/05/2024, 09:22

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General

Target
5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe
Size 2.7MB
Sample240526-lb2lpsec52
SHA256 5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d
MD5 7f85815bfe921beeb37a0d2509d626cd
SHA1 4bca8ed608a3f951d95f535761c3b4277eae4b57
SHA512 d3c1a6eb8c3e9e2bf5ba78459f41a8f9043d7bb132881cd9cebdc9636075a4bd10e49e7080813492bf7cae2a5860527c8f85fea3fc484655160519ba5437c636
SSDEEP 24576:OCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHs:OCwsbCANnKXferL7Vwe/Gg0P+WhQC
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/3076-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3076-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3076-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1384-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1384-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/620-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/620-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023419-5.dat	family_gh0strat
behavioral2/memory/3076-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3076-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3076-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1384-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1384-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/620-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/620-52-0x0000000010000000-0x00000000101B6000-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\\240599421.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 5 IoCs

pid	Process
2716	R.exe
3076	N.exe
1384	TXPlatfor.exe
620	TXPlatfor.exe
1732	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2716	R.exe
3640	svchost.exe
1732	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3076-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3076-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3076-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3076-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1384-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1384-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1384-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/620-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/620-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240599421.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	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.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
3224	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
620	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3076	N.exe
Token: SeLoadDriverPrivilege	620	TXPlatfor.exe
Token: 33	620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	620	TXPlatfor.exe
Token: 33	620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	620	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe
1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2716	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	83
PID 1944 wrote to memory of 2716	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	83
PID 1944 wrote to memory of 2716	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	83
PID 1944 wrote to memory of 3076	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	86
PID 1944 wrote to memory of 3076	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	86
PID 1944 wrote to memory of 3076	1944	5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe	86
PID 3076 wrote to memory of 1772	3076	N.exe	88
PID 3076 wrote to memory of 1772	3076	N.exe	88
PID 3076 wrote to memory of 1772	3076	N.exe	88
PID 1384 wrote to memory of 620	1384	TXPlatfor.exe	89
PID 1384 wrote to memory of 620	1384	TXPlatfor.exe	89
PID 1384 wrote to memory of 620	1384	TXPlatfor.exe	89
PID 1772 wrote to memory of 3224	1772	cmd.exe	91
PID 1772 wrote to memory of 3224	1772	cmd.exe	91
PID 1772 wrote to memory of 3224	1772	cmd.exe	91
PID 3640 wrote to memory of 1732	3640	svchost.exe	101
PID 3640 wrote to memory of 1732	3640	svchost.exe	101
PID 3640 wrote to memory of 1732	3640	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe
"C:\Users\Admin\AppData\Local\Temp\5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944
- 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:2716
- 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:3076
- - 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:1772
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3224

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4284

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:3640
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599421.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1732

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1384
- 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:620

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

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.7MB
SHA256 5c0b9e171878a84ea434c2e7095e96bb41e6f97a8dfaabe86e9348d14de02a0d
MD5 7f85815bfe921beeb37a0d2509d626cd
SHA1 4bca8ed608a3f951d95f535761c3b4277eae4b57
SHA512 d3c1a6eb8c3e9e2bf5ba78459f41a8f9043d7bb132881cd9cebdc9636075a4bd10e49e7080813492bf7cae2a5860527c8f85fea3fc484655160519ba5437c636
SSDEEP 24576:OCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHs:OCwsbCANnKXferL7Vwe/Gg0P+WhQC
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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240599421.txt

Path C:\Windows\SysWOW64\240599421.txt
Size 899KB
SHA256 dc43f9eee6c881203276601ab268f1f9c1a0daa0ec6fccf4d748c8a78adbda85
MD5 1f034e23e7bf9cd275aa3c0d8dc2ccde
SHA1 e7700df14d0104d12706046e2026ddd2abaa9631
SHA512 b524207650b40f2396d21d632c9d9ad76bdd41eac26fbab8a702269c098d4f6060ab842fa6cfa48a29fb1e8e957126f9194dd5076e5e76b9d115c107666002d3
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXs:7wqd87Vs
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/620-47-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/620-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/620-51-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1384-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1384-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1384-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3076-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3076-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3076-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3076-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads