1ba42797d3deb98718cc45e2a49820b09a33a3780064fd016c883fd7a1b04e6f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 18:14

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General

Target

2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe
Size

1.1MB
MD5

2922f9040088cb86f7d8f13f2ef96bc8
SHA1

8403ca7464c6f76a1c61e2b65336baf95e33107b
SHA256

1ba42797d3deb98718cc45e2a49820b09a33a3780064fd016c883fd7a1b04e6f
SHA512

231f138271273d742298594a77b92dcb7f1d26754338d8326485039d66a7e682b30fcc5dc410ffbc2a8c1a8a1a612740ca62222097af95e89fef7e5bf65adb20
SSDEEP

24576:0lKfoV9Ih72HgbL+bBD4yyLWF2+4WzA70fA6IzwJ87g:CvIsOL+bRRfg+qUOM

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4236	CHEVRO~1.EXE

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023466-5.dat	upx
behavioral2/memory/4236-7-0x0000000000400000-0x00000000004D5000-memory.dmp	upx
behavioral2/memory/4236-11-0x0000000000400000-0x00000000004D5000-memory.dmp	upx
behavioral2/memory/4236-13-0x0000000000400000-0x00000000004D5000-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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Chevrolet Corvette C5.scr	CHEVRO~1.EXE
File created	C:\Windows\SysWOW64\Chevrolet Corvette C5.scr	CHEVRO~1.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ss3unstl.exe	CHEVRO~1.EXE

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\Desktop\ScreenSaveActive = "1"	CHEVRO~1.EXE
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\Desktop	CHEVRO~1.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\CHEVRO~1.SCR"	CHEVRO~1.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4236	CHEVRO~1.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4236	1916	2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe	82
PID 1916 wrote to memory of 4236	1916	2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe	82
PID 1916 wrote to memory of 4236	1916	2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2922f9040088cb86f7d8f13f2ef96bc8_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CHEVRO~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CHEVRO~1.EXE
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies Control Panel
  - Suspicious use of SetWindowsHookEx
  PID:4236

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CHEVRO~1.EXE

Filesize
1.3MB

MD5
9297b95c3ca8cb556ee433faa7eb7e80

SHA1
3a9516a30ca01c24cd45b646d9dd821d93096649

SHA256
ed3ef489be3ca9b35a92ecdfe8d015fed2e8a732b1eb0ee74c063ab1c6ae565e

SHA512
74a952cb087d5379aab8994fd962e4db6049644092dcf83613cd333d56511305fb8b1dc96a2f194d4e00622b99422fa124f3fd221922b34ff57e8ff6865deef0

Download Submit
memory/4236-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4236-11-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4236-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads