gh0strat | aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31

General

Target

aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
Size

384KB
MD5

2c81f215c50538f62f0a0438a9aba16d
SHA1

d43f7f43363ea1f81cda14104ac195e8f2bbdc3e
SHA256

aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31
SHA512

b82a71131cd67b4a18665abda5d5acbb02b4573142de1f3263f0d8c7aa82e52c13e93fe965e1cdcf4b861353256c32e89c8b82643d6daf263ce49fd543a9098e
SSDEEP

12288:KPdK4bgeK8VL5TKjb31wgxllhz7G60i2qvyO4:KPBjK8VlYb3P9Fk

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/748-58-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral1/memory/748-57-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral1/memory/748-59-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral1/memory/748-61-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral1/memory/2036-66-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral1/memory/748-70-0x0000000000400000-0x000000000054E000-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

Executes dropped EXE 1 IoCs

pid	Process
2036	svchest000.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe"	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File opened for modification	\??\c:\Windows\BJ.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File created	\??\c:\Windows\svchest000.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File opened for modification	\??\c:\Windows\svchest000.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 2036	748	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	27
PID 748 wrote to memory of 2036	748	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	27
PID 748 wrote to memory of 2036	748	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	27
PID 748 wrote to memory of 2036	748	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	27

C:\Users\Admin\AppData\Local\Temp\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
"C:\Users\Admin\AppData\Local\Temp\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:748
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest000.exe

Filesize
384KB

MD5
7f9a32260e83a2e99578a03c3ce83cd9

SHA1
dba4ee56171a4b45dea410d3c3509bfaadbbac3b

SHA256
1918aa80bf510aab168f9849fa30f96d861d3e32d55d8c366b354b569bc8cb22

SHA512
87ecfad2ecaeb04cd1c7fb4dc8c8bc3936013cf5c0f55786495da019576a71bbd78945daa4e66a4b0907d115f16cba27c792f0c3caf903f44cbffe1bea2b587a

Download Submit
memory/748-61-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-69-0x00000000028A0000-0x00000000029EE000-memory.dmp

Filesize
1.3MB

Download
memory/748-58-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-57-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-59-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-60-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/748-56-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/748-62-0x0000000000380000-0x0000000000383000-memory.dmp

Filesize
12KB

Download
memory/748-55-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/748-70-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/2036-68-0x0000000000210000-0x0000000000213000-memory.dmp

Filesize
12KB

Download
memory/2036-67-0x00000000002A0000-0x00000000002DE000-memory.dmp

Filesize
248KB

Download
memory/2036-66-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download

Analysis

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