99e1fd3e46447a6152943e0a2da33f9c343a7bbc362d843ddeaf9c20505ca0aa

Analysis

max time kernel
104s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2025, 15:59

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General

Target

JaffaCakes118_98e09598cb491a28872e0fac2d8a2f62.dll
Size

253KB
MD5

98e09598cb491a28872e0fac2d8a2f62
SHA1

0a28e61ba84af412e6a61950ea0c635c4e134720
SHA256

99e1fd3e46447a6152943e0a2da33f9c343a7bbc362d843ddeaf9c20505ca0aa
SHA512

111e6da26b51cb84d731a2f6da632ec4e9765db93b2509b7a310f372b2a8b05698ee602e32ade495b8ddc81dc52504746ead0fba6beb99578c0ba160e89a11bd
SSDEEP

6144:ulr/RqkRIx2SqjnlKvLLB1kGoTwr5FtLabgkUko6AKe4f/DTkr/U4Oa:ulr5qc1XKLLBxoQBt96AKe43DTk7

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5616-0-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral2/memory/5616-2-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral2/memory/5616-3-0x0000000000400000-0x00000000004B3000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
696	5616	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 5616	1944	rundll32.exe	87
PID 1944 wrote to memory of 5616	1944	rundll32.exe	87
PID 1944 wrote to memory of 5616	1944	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98e09598cb491a28872e0fac2d8a2f62.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98e09598cb491a28872e0fac2d8a2f62.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5616 -s 628
    3⤵
    - Program crash
    PID:696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5616 -ip 5616
1⤵
PID:1844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/5616-0-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/5616-1-0x0000000000E20000-0x0000000000E21000-memory.dmp

Filesize
4KB

Download
memory/5616-2-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/5616-4-0x0000000000E20000-0x0000000000E21000-memory.dmp

Filesize
4KB

Download
memory/5616-3-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download