gh0strat | 5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/05/2024, 02:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe
Size

2.5MB
MD5

953d8ca270621e3781dd71bf478ee62c
SHA1

6f7327f7b4bb9b8f2733b212fa85124e020c806a
SHA256

5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930
SHA512

76739439c0d802d46b7bc73b6dca6c4dbbac184ef2828e2cac19aa722be930971483f091dea74ddbd51cc951913fbe9f3c545908aa92fae666c6bc450f36689d
SSDEEP

24576:gCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHO:gCwsbCANnKXferL7Vwe/Gg0P+Wh5gM

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x002b000000014c67-6.dat	family_gh0strat
behavioral1/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-45-0x0000000010000000-0x00000000101B6000-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

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\\259427853.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
1516	R.exe
2508	N.exe
2520	TXPlatfor.exe
2144	TXPlatfor.exe
1384	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe
1516	R.exe
1960	svchost.exe
2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe
2520	TXPlatfor.exe
1960	svchost.exe
1384	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2508-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259427853.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2376	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2144	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2508	N.exe
Token: SeLoadDriverPrivilege	2144	TXPlatfor.exe
Token: 33	2144	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2144	TXPlatfor.exe
Token: 33	2144	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2144	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe
2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 1516	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	28
PID 2892 wrote to memory of 1516	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	28
PID 2892 wrote to memory of 1516	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	28
PID 2892 wrote to memory of 1516	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	28
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2892 wrote to memory of 2508	2892	5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe	31
PID 2508 wrote to memory of 2480	2508	N.exe	33
PID 2508 wrote to memory of 2480	2508	N.exe	33
PID 2508 wrote to memory of 2480	2508	N.exe	33
PID 2508 wrote to memory of 2480	2508	N.exe	33
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2520 wrote to memory of 2144	2520	TXPlatfor.exe	34
PID 2480 wrote to memory of 2376	2480	cmd.exe	36
PID 2480 wrote to memory of 2376	2480	cmd.exe	36
PID 2480 wrote to memory of 2376	2480	cmd.exe	36
PID 2480 wrote to memory of 2376	2480	cmd.exe	36
PID 1960 wrote to memory of 1384	1960	svchost.exe	38
PID 1960 wrote to memory of 1384	1960	svchost.exe	38
PID 1960 wrote to memory of 1384	1960	svchost.exe	38
PID 1960 wrote to memory of 1384	1960	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe
"C:\Users\Admin\AppData\Local\Temp\5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2892
- 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:1516
- 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:2508
- - 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:2480
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2376

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2948

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:1960
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259427853.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1384

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2520
- 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:2144

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Desktop\ClearSet.exe

Filesize
3.0MB

MD5
e3e2f35d717bbc11bc0a981dd5f95e29

SHA1
6fafe429e5fca183ae52b3b0286404f9c8647a44

SHA256
195b9d8354ed9922163f365ff80c73e90888e356b4a55f6b745262b79953ba3f

SHA512
c0fee54b30c647e4b4cc597af2ab4dabf17f4fa61964c978be4b55dba1d75c4b2394993e3eac86287f8dc135c03e62e6c4f05f193ae500ede873a59c9f5cb48e

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259427853.txt

Filesize
899KB

MD5
59b1baa20fe01e3295d532825e2c1f37

SHA1
5112ff49157b3423d2882f4c21edc23651af5cb9

SHA256
b627e4b6410ae19f4053e34ce873d162a466b22cbd668d9be3f64ab37962570d

SHA512
4c6fe604fdf4420e548674098f9718a522a766f10d2a5bd06d5ea09d109a8e4406b07ef93f7fd00c9ebfa0330cf5d30bf13f38c86c15c5b63b1c60d478c34ee7

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2144-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads