gh0strat | 61982be3bda2c2e68d953261b83918be5a6952f1db766e83683140a13c9164f6

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 14:31

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General

Target

43ebe7ae6f3b6e3af1f43fd20abc984e.exe
Size

248KB
MD5

43ebe7ae6f3b6e3af1f43fd20abc984e
SHA1

384417f65f033990f476e58145aed9e04829b89b
SHA256

61982be3bda2c2e68d953261b83918be5a6952f1db766e83683140a13c9164f6
SHA512

f199d62d721fc9e2158e22457152829b82590453026f0ba376bf7b97412f58ef0ef9c5795538d81a8d901bb0949165c77c6cf23a962b3a4b4b991f38e1851b10
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHYA:Dt0VPFfsKAkrbPlYA

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2024-12-0x0000000000400000-0x00000000004F0000-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
2024	(null)0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x000a00000001345a-5.dat	upx
behavioral1/memory/2024-12-0x0000000000400000-0x00000000004F0000-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\\43ebe7ae6f3b6e3af1f43fd20abc984e.exe"	43ebe7ae6f3b6e3af1f43fd20abc984e.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	43ebe7ae6f3b6e3af1f43fd20abc984e.exe
File opened for modification	\??\c:\Windows\BJ.exe	43ebe7ae6f3b6e3af1f43fd20abc984e.exe
File created	\??\c:\Windows\(null)0.exe	43ebe7ae6f3b6e3af1f43fd20abc984e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2024	2888	43ebe7ae6f3b6e3af1f43fd20abc984e.exe	28
PID 2888 wrote to memory of 2024	2888	43ebe7ae6f3b6e3af1f43fd20abc984e.exe	28
PID 2888 wrote to memory of 2024	2888	43ebe7ae6f3b6e3af1f43fd20abc984e.exe	28
PID 2888 wrote to memory of 2024	2888	43ebe7ae6f3b6e3af1f43fd20abc984e.exe	28

C:\Users\Admin\AppData\Local\Temp\43ebe7ae6f3b6e3af1f43fd20abc984e.exe
"C:\Users\Admin\AppData\Local\Temp\43ebe7ae6f3b6e3af1f43fd20abc984e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2888
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:2024

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\(null)0.exe

Filesize
248KB

MD5
43ebe7ae6f3b6e3af1f43fd20abc984e

SHA1
384417f65f033990f476e58145aed9e04829b89b

SHA256
61982be3bda2c2e68d953261b83918be5a6952f1db766e83683140a13c9164f6

SHA512
f199d62d721fc9e2158e22457152829b82590453026f0ba376bf7b97412f58ef0ef9c5795538d81a8d901bb0949165c77c6cf23a962b3a4b4b991f38e1851b10

Download Submit
memory/2024-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2888-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2888-9-0x0000000002590000-0x0000000002680000-memory.dmp

Filesize
960KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads