gh0strat | 6ddd0e5824f278587250708c05a3228ee7bec75b57f3be0f6574c8c90306182c

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 06:53

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General

Target

0cea01a8a4723f915329efe81ae32a71.exe
Size

329KB
MD5

0cea01a8a4723f915329efe81ae32a71
SHA1

07a1ddb2e735cb70c25e195eb84eb5470a40d621
SHA256

6ddd0e5824f278587250708c05a3228ee7bec75b57f3be0f6574c8c90306182c
SHA512

f35879f9fba242a7aa648c88e910d8e329afb1c32582c3294204159b261918f1efc6c6405102881a5d10c22bfcff991fc202adcfadcc19ccbade97e5e1127688
SSDEEP

3072:mxjMQVacnG3icUkYdT45/NEGI/Lc+EINkzT1diLUEuBfYcORhSrmz:mxjlVJnQiGP/evc2gT1Wchmz

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/3028-9-0x0000000000400000-0x00000000004F0000-memory.dmp	family_gh0strat
behavioral1/memory/2956-11-0x0000000000400000-0x00000000004F0000-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
3028	svchest000.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2956-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0010000000012251-5.dat	upx
behavioral1/memory/3028-8-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/3028-9-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2956-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0cea01a8a4723f915329efe81ae32a71.exe"	0cea01a8a4723f915329efe81ae32a71.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0cea01a8a4723f915329efe81ae32a71.exe
File opened for modification	\??\c:\Windows\BJ.exe	0cea01a8a4723f915329efe81ae32a71.exe
File created	\??\c:\Windows\svchest000.exe	0cea01a8a4723f915329efe81ae32a71.exe
File opened for modification	\??\c:\Windows\svchest000.exe	0cea01a8a4723f915329efe81ae32a71.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3028	2956	0cea01a8a4723f915329efe81ae32a71.exe	28
PID 2956 wrote to memory of 3028	2956	0cea01a8a4723f915329efe81ae32a71.exe	28
PID 2956 wrote to memory of 3028	2956	0cea01a8a4723f915329efe81ae32a71.exe	28
PID 2956 wrote to memory of 3028	2956	0cea01a8a4723f915329efe81ae32a71.exe	28

C:\Users\Admin\AppData\Local\Temp\0cea01a8a4723f915329efe81ae32a71.exe
"C:\Users\Admin\AppData\Local\Temp\0cea01a8a4723f915329efe81ae32a71.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2956
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:3028

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchest000.exe

Filesize
329KB

MD5
0cea01a8a4723f915329efe81ae32a71

SHA1
07a1ddb2e735cb70c25e195eb84eb5470a40d621

SHA256
6ddd0e5824f278587250708c05a3228ee7bec75b57f3be0f6574c8c90306182c

SHA512
f35879f9fba242a7aa648c88e910d8e329afb1c32582c3294204159b261918f1efc6c6405102881a5d10c22bfcff991fc202adcfadcc19ccbade97e5e1127688

Download Submit
memory/2956-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2956-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2956-12-0x00000000026F0000-0x00000000027E0000-memory.dmp

Filesize
960KB

Download
memory/3028-8-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/3028-9-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads