gh0strat | 87f1e8e4d61132e6d29616a8b5da257771c4e557e826a72609dbf98a12115b2a

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 11:40

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General

Target

0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe
Size

836KB
MD5

0a77f82041ade700f5d2d8a0bdf45b13
SHA1

098583641ad0ab142e92ffe0e32352a3843b3c0c
SHA256

87f1e8e4d61132e6d29616a8b5da257771c4e557e826a72609dbf98a12115b2a
SHA512

b78af7029c68c7eafdad5af3e001a7f2f7bb30d121922ce702566f80440338e6b9f83360a80ba96c917cda8b3d2daa7656eb07bf7fedbad72e1ad5cbe2ba2f18
SSDEEP

12288:jt0VPFfsKAkrbPl7cHANUTNhG2HANUTN+V:SFksbMGrV

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1728-12-0x0000000000400000-0x00000000004F1000-memory.dmp	family_gh0strat
behavioral1/memory/1728-11-0x0000000000400000-0x00000000004F1000-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
1728	(null)0.exe

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\\0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe"	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2492-0-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x0008000000016d58-10.dat	upx
behavioral1/memory/1728-12-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/1728-11-0x0000000000400000-0x00000000004F1000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe
File created	\??\c:\Windows\(null)0.exe	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	(null)0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 1728	2492	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe	31
PID 2492 wrote to memory of 1728	2492	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe	31
PID 2492 wrote to memory of 1728	2492	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe	31
PID 2492 wrote to memory of 1728	2492	0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a77f82041ade700f5d2d8a0bdf45b13_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1728

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
836KB

MD5
0a77f82041ade700f5d2d8a0bdf45b13

SHA1
098583641ad0ab142e92ffe0e32352a3843b3c0c

SHA256
87f1e8e4d61132e6d29616a8b5da257771c4e557e826a72609dbf98a12115b2a

SHA512
b78af7029c68c7eafdad5af3e001a7f2f7bb30d121922ce702566f80440338e6b9f83360a80ba96c917cda8b3d2daa7656eb07bf7fedbad72e1ad5cbe2ba2f18

Download Submit
memory/1728-12-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1728-11-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2492-0-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2492-9-0x0000000002670000-0x0000000002761000-memory.dmp

Filesize
964KB

Download
memory/2492-8-0x0000000002670000-0x0000000002761000-memory.dmp

Filesize
964KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads