f0f920fd134b45fd4f38e689e40909046393a20679443b68d3c919ef0f8f0b83

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 11:42

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General

Target

3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe
Size

4KB
MD5

3fa5842cba60f1bff29f522f61b8515e
SHA1

45268f71da5c2202f6e76696ef6f18a49562a08b
SHA256

f0f920fd134b45fd4f38e689e40909046393a20679443b68d3c919ef0f8f0b83
SHA512

178bcd2e58f84d2a61b8151d218cb1aa46d2643c68016b62467bb0656935d58cf650f0fd2aed7c64323ee195127e13b583834594b57deed248ac128065e3c607
SSDEEP

48:qTyxlU5+jZA8mren96OjUxSbPX2lTyueYdtZaukT352UWDC+g997fCqSeJY8JTa3:sOlUmmr25Q8X2lT++ratDVWDb67lhd

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4132-0-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4132-2-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3704	4132	WerFault.exe	82

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	3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 3992	4132	3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe	85
PID 4132 wrote to memory of 3992	4132	3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe	85
PID 4132 wrote to memory of 3992	4132	3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fa5842cba60f1bff29f522f61b8515e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3FA584~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 1380
  2⤵
  - Program crash
  PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4132 -ip 4132
1⤵
PID:4244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4132-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4132-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download