3eb856460514cf7183108ee23ef08d4f315e998b4aed0363535e2f68d2406dd1

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 19:54

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General

Target

238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
Size

990KB
MD5

238fa0a3bb9d250352fdb0eec24c1575
SHA1

b662cabeb6e6daee908067c9cc113bc4e69b3775
SHA256

3eb856460514cf7183108ee23ef08d4f315e998b4aed0363535e2f68d2406dd1
SHA512

ae1f3da725480659ac52471132386a95b7537a623632e07d7d26b07e35b460ccc01a1429455266dc8de9cc618a677060bd718ff98029d7bfe0907674965be437
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjK:r5sJo6YrFUiyAak11LtjK

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2456	svchest000.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1040-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1040-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x0034000000016cab-8.dat	upx
behavioral1/memory/2456-11-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2456-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2456-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1040-15-0x0000000000400000-0x0000000000597000-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\\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe"	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1040	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
2456	svchest000.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
File created	\??\c:\Windows\svchest000.exe	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\svchest000.exe	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 2456	1040	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe	28
PID 1040 wrote to memory of 2456	1040	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe	28
PID 1040 wrote to memory of 2456	1040	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe	28
PID 1040 wrote to memory of 2456	1040	238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1040
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2456

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
990KB

MD5
238fa0a3bb9d250352fdb0eec24c1575

SHA1
b662cabeb6e6daee908067c9cc113bc4e69b3775

SHA256
3eb856460514cf7183108ee23ef08d4f315e998b4aed0363535e2f68d2406dd1

SHA512
ae1f3da725480659ac52471132386a95b7537a623632e07d7d26b07e35b460ccc01a1429455266dc8de9cc618a677060bd718ff98029d7bfe0907674965be437

Download Submit
memory/1040-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1040-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1040-9-0x0000000002740000-0x00000000028D7000-memory.dmp

Filesize
1.6MB

Download
memory/1040-15-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2456-11-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2456-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2456-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads