gh0strat | b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82

Analysis

max time kernel
12s
max time network
6s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
09/10/2023, 16:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe
Size

768KB
MD5

3a3cbb8657997846f83242cda8ed16bf
SHA1

2ec30147934de0abe3d4209b12e0c453316a7d06
SHA256

b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82
SHA512

d0502c844543384fb66f1ca7377353ec9f4069704c93394e05192db6604eba0b49f1c9c7196518a8d07afcc37b06050b7d7778b54e023773676c47cc5d2e3982
SSDEEP

12288:17t1Ft32FrpyD7ZIH4ENxTk8+Gb8vEFaKb+95dNVBSSmGLB:hVpD7ZIHpNH9BNEBSSmGd

Score

10^/10

gh0strat purplefox rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2888-2-0x0000000010000000-0x00000000101AF000-memory.dmp	purplefox_rootkit
behavioral1/memory/2888-4-0x0000000010000000-0x00000000101AF000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2888-3-0x0000000010000000-0x00000000101AF000-memory.dmp	family_gh0strat
behavioral1/memory/2888-2-0x0000000010000000-0x00000000101AF000-memory.dmp	family_gh0strat
behavioral1/memory/2888-4-0x0000000010000000-0x00000000101AF000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000010000000-0x00000000101AF000-memory.dmp	upx
behavioral1/memory/2888-3-0x0000000010000000-0x00000000101AF000-memory.dmp	upx
behavioral1/memory/2888-2-0x0000000010000000-0x00000000101AF000-memory.dmp	upx
behavioral1/memory/2888-4-0x0000000010000000-0x00000000101AF000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 3060	2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe	28
PID 2888 wrote to memory of 3060	2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe	28
PID 2888 wrote to memory of 3060	2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe	28
PID 2888 wrote to memory of 3060	2888	b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe	28

C:\Users\Admin\AppData\Local\Temp\b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe
"C:\Users\Admin\AppData\Local\Temp\b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\b57aa84ff71e90399243f1f408bc444528500fc51f1673f90bbe6ff7c607ca82.exe"
  2⤵
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2888-0-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2888-3-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2888-2-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2888-4-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download