gh0strat | 9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 00:26

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General

Target

9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
Size

4.8MB
MD5

182fb268866adc71cd32f2d8901f50f1
SHA1

68d33d098707f01dc6f4548e4256a2ee15b1c8dd
SHA256

9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b
SHA512

da2cd3bd743c1610d15947a89dc7fd6efaeec5dac7040ce425d87395109a7e3db032d9327bce45a369c166c124a62debc30603a8d21f03f412f13b688ffa57a0
SSDEEP

49152:CQZAdVyVT9n/Gg0P+WhoDjkbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:bGdVyVT9nOgmhijkbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2160-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2160-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2160-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2160-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2160-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2160-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0006000000018731-33.dat	family_gh0strat
behavioral1/memory/2652-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-79-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

pid	Process
2160	svchost.exe
2956	TXPlatforn.exe
3008	svchos.exe
2652	TXPlatforn.exe
2772	HD_9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe

Loads dropped DLL 5 IoCs

pid	Process
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
2956	TXPlatforn.exe
3008	svchos.exe
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2160-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2160-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2160-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2160-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-79-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259447696.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.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 7 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	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.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
2952	cmd.exe
2584	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2584	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2652	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2160	svchost.exe
Token: SeLoadDriverPrivilege	2652	TXPlatforn.exe
Token: 33	2652	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2652	TXPlatforn.exe
Token: 33	2652	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2652	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2416 wrote to memory of 2160	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	31
PID 2160 wrote to memory of 2952	2160	svchost.exe	33
PID 2160 wrote to memory of 2952	2160	svchost.exe	33
PID 2160 wrote to memory of 2952	2160	svchost.exe	33
PID 2160 wrote to memory of 2952	2160	svchost.exe	33
PID 2416 wrote to memory of 3008	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	35
PID 2416 wrote to memory of 3008	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	35
PID 2416 wrote to memory of 3008	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	35
PID 2416 wrote to memory of 3008	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	35
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2956 wrote to memory of 2652	2956	TXPlatforn.exe	36
PID 2416 wrote to memory of 2772	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	37
PID 2416 wrote to memory of 2772	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	37
PID 2416 wrote to memory of 2772	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	37
PID 2416 wrote to memory of 2772	2416	9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe	37
PID 2952 wrote to memory of 2584	2952	cmd.exe	38
PID 2952 wrote to memory of 2584	2952	cmd.exe	38
PID 2952 wrote to memory of 2584	2952	cmd.exe	38
PID 2952 wrote to memory of 2584	2952	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
"C:\Users\Admin\AppData\Local\Temp\9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:2160
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2952
  - - 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:2584
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\HD_9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2772

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:2652

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
1.7MB

MD5
c9869938b5e44dce26307cb00b5b4ddf

SHA1
e0da64237619aaaa4e54405c6aa4dcfa0a3d1548

SHA256
30378413030b4f8b27079821b034a07bd7f64861298e5fab170e18f660fee519

SHA512
158ded6f1786c9d6a017ac3522b39ba4a4a13507744c11b1f7c79e2080ad8fa12f2c976d350fb10c0d83278d9b7fd85f603d27a203d50601630f33703d3bae38

Download Submit
\Users\Admin\AppData\Local\Temp\HD_9c66a38644315af7c838bb0585ab75085b46a70a0c6682c8d049e46d5eb3cc0b.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259447696.txt

Filesize
50KB

MD5
3ad4ec4bd63ad102c2b16a58087c2db5

SHA1
a34b6c44d1f860a53eec5b557d3c751ebcb86ff0

SHA256
fd40358e6a80bff0eec9a20e9da276ad6ffd704c35ebe55c37f85f5bcebe7e22

SHA512
953efd63c8ddca4e42d85b668630352a9bcb3bed6a2ccd284651182de45fdb0542e5ca9481d43ac0177cc1112d5e0c7785a68e3722e5157b107ff825a13740da

Download Submit
memory/2160-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download