gh0strat | ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 03:47

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General

Target

ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
Size

2.6MB
MD5

46ea24182cc4a6cbe2ac6123baf0ca90
SHA1

f12eb1ae8cf2533a80b01f1820b3f1cc3b7994fb
SHA256

ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59
SHA512

814c2978c2c0815dd035719d2c16b5cc5952a91059e9434bd0f65b2e8d267797c0fe4640487d5b518b8b96154c8013f884d9384bed9cb840cf34ce6573d0d3f9
SSDEEP

24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHs:yCwsbCANnKXferL7Vwe/Gg0P+WhP

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
behavioral1/memory/2552-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014708-6.dat	family_gh0strat
behavioral1/memory/2552-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-60-0x0000000010000000-0x00000000101B6000-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\\259402003.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
1648	R.exe
2552	N.exe
2592	TXPlatfor.exe
2584	HD_ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
2468	TXPlatfor.exe
2856	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
1648	R.exe
2292	svchost.exe
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
2496	Process not Found
2592	TXPlatfor.exe
2292	svchost.exe
2856	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259402003.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
2828	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2468	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2552	N.exe
Token: SeLoadDriverPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1648	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	28
PID 2004 wrote to memory of 1648	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	28
PID 2004 wrote to memory of 1648	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	28
PID 2004 wrote to memory of 1648	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	28
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2004 wrote to memory of 2552	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	31
PID 2552 wrote to memory of 1888	2552	N.exe	33
PID 2552 wrote to memory of 1888	2552	N.exe	33
PID 2552 wrote to memory of 1888	2552	N.exe	33
PID 2552 wrote to memory of 1888	2552	N.exe	33
PID 2004 wrote to memory of 2584	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	35
PID 2004 wrote to memory of 2584	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	35
PID 2004 wrote to memory of 2584	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	35
PID 2004 wrote to memory of 2584	2004	ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe	35
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 2592 wrote to memory of 2468	2592	TXPlatfor.exe	37
PID 1888 wrote to memory of 2828	1888	cmd.exe	38
PID 1888 wrote to memory of 2828	1888	cmd.exe	38
PID 1888 wrote to memory of 2828	1888	cmd.exe	38
PID 1888 wrote to memory of 2828	1888	cmd.exe	38
PID 2292 wrote to memory of 2856	2292	svchost.exe	39
PID 2292 wrote to memory of 2856	2292	svchost.exe	39
PID 2292 wrote to memory of 2856	2292	svchost.exe	39
PID 2292 wrote to memory of 2856	2292	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
"C:\Users\Admin\AppData\Local\Temp\ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- 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:1648
- 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:2552
- - 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:1888
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2828
- C:\Users\Admin\AppData\Local\Temp\HD_ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe
  2⤵
  - Executes dropped EXE
  PID:2584

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2776

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:2292
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259402003.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2856

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2592
- 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:2468

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

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Downloads

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

Filesize
2.6MB

MD5
274fe01eb0f4cd402c3cfdeda4b30715

SHA1
72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

SHA256
843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

SHA512
6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ace87b1f250a49c813a301691a68f3bc6225171ecbca379274e7ae8daffb1e59.exe

Filesize
29KB

MD5
112e46dfd29ea19693e9540828402f31

SHA1
fd3965e29047989536bbcdf8f965bf81f73eea5f

SHA256
114a9d5c8d9cc6f0adb3107ec7a44d612b5c52725e67fcb135d4c431ba5149a3

SHA512
f9089542d82067b7cb9f11268122be51003a125d4143816f1846fb6f7e2a348a3caf2cf74b34b7e17d9723e82a72122aca1894f234fc915662f3cafccbd3aaa8

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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\259402003.txt

Filesize
899KB

MD5
a9c0d3c518368361e331caccfb824ea9

SHA1
80a566c2d282f711826ac5ee069f5130fc246f18

SHA256
c4cacd7d7f6f27f2b52e939632ed70a9ad45f6ee665da350026624c7557faff9

SHA512
40f92226a77a6914f55a705b4af278c7369c5797fcca761dca03c6071001691fc52910448c17060846e4dd0ddcb579a09da471e2f5adcbe0bc2c7159cdd0fe51

Download Submit
memory/2468-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-45-0x000000013F150000-0x000000013F15A000-memory.dmp

Filesize
40KB

Download
memory/2584-52-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download