gh0strat | d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436

Analysis

max time kernel
152s
max time network
142s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
23/08/2023, 17:55

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General

Target

d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
Size

4.2MB
MD5

282a98e41f54a76d34fcefc86f623a7a
SHA1

6bc551e62c7d899df7ff19b776f81524d66f48b6
SHA256

d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436
SHA512

eeebb2c37ffa3e45fa40fefdd13d33343132e1cda673c4de93fc2211f3458b81026bcbfad4e610c8c81856121351d2d9e0616232c441e91a2ae1a9aa8fc8b804
SSDEEP

49152:K09XJt4HIN2H2tFvduySUbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:LZJt4HINy2LkUbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2024-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2024-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2024-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1460-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-69-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2024-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2024-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2024-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1460-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2024-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1460-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-69-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-72-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
2024	RVN.exe
3056	HD_d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
1460	TXPlatforn.exe
2940	TXPlatforn.exe

Loads dropped DLL 3 IoCs

pid	Process
2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
1460	TXPlatforn.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2024-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1460-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2024-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1460-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-69-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.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
2704	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2024	RVN.exe
Token: SeLoadDriverPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 2024	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	28
PID 2608 wrote to memory of 3056	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	32
PID 2608 wrote to memory of 3056	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	32
PID 2608 wrote to memory of 3056	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	32
PID 2608 wrote to memory of 3056	2608	d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe	32
PID 2024 wrote to memory of 2196	2024	RVN.exe	33
PID 2024 wrote to memory of 2196	2024	RVN.exe	33
PID 2024 wrote to memory of 2196	2024	RVN.exe	33
PID 2024 wrote to memory of 2196	2024	RVN.exe	33
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 1460 wrote to memory of 2940	1460	TXPlatforn.exe	35
PID 2196 wrote to memory of 2704	2196	cmd.exe	36
PID 2196 wrote to memory of 2704	2196	cmd.exe	36
PID 2196 wrote to memory of 2704	2196	cmd.exe	36
PID 2196 wrote to memory of 2704	2196	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
"C:\Users\Admin\AppData\Local\Temp\d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2024
- - 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\RVN.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2704
- C:\Users\Admin\AppData\Local\Temp\HD_d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe
  2⤵
  - Executes dropped EXE
  PID:3056

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1460
- 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:2940

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
ca0aaa0529dfe4d25233cb91c86adc85

SHA1
ce2a1d6eef2609552eefbdb2ad3ebf93364ed07e

SHA256
7c8407fd0e53ed680ca6b02a7e68e88b76495b14ce4baa46d290b91492003fe0

SHA512
d3aa29f5792240610e70fd15bf1e8fe177912984fee19478ea2e81cc77595c8503e17b108344b600cc32b8e288d831dc27d860616c0c84347d0a09b4900b82ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_d2a4facf24f3da8e6385bfbad88bb4468854a0a6cd5a35f7022fb8435f1cf436.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1460-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1460-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2024-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-69-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download