4c9e98185c152f4d8c6f6b2472f5a3b8899698fd905ed3ac358d7eede23c6956

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 08:17

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General

Target

d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe
Size

1.2MB
MD5

d17acbd6276a6bb35fbfd3398ab8ebad
SHA1

242d6a3dbb793d0d882ce880a3f6d73edfe7c677
SHA256

4c9e98185c152f4d8c6f6b2472f5a3b8899698fd905ed3ac358d7eede23c6956
SHA512

474046ea2643a710e6f1f1c82f4b072eebf08d965477cce1d88567ca438697c284e78b9f1240c580bf5a9347e99f04221e16b923ef69fdff9239102f95ff8148
SSDEEP

24576:y563ey8gZqj4y2ahs9SX9McuTrJlW+93ww0+ei21o3:2/+qEyi9WuTf/gw0+rv

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2256-6-0x0000000000400000-0x000000000070C000-memory.dmp	upx
behavioral1/memory/2256-9-0x0000000000400000-0x000000000070C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2256	WerFault.exe	28

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	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2792	2256	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2792	2256	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2792	2256	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe	30
PID 2256 wrote to memory of 2792	2256	d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d17acbd6276a6bb35fbfd3398ab8ebad_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 556
  2⤵
  - Program crash
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2256-5-0x00000000021C0000-0x00000000022A8000-memory.dmp

Filesize
928KB

Download
memory/2256-0-0x00000000021C0000-0x00000000022A8000-memory.dmp

Filesize
928KB

Download
memory/2256-6-0x0000000000400000-0x000000000070C000-memory.dmp

Filesize
3.0MB

Download
memory/2256-8-0x00000000021C0000-0x00000000022A8000-memory.dmp

Filesize
928KB

Download
memory/2256-9-0x0000000000400000-0x000000000070C000-memory.dmp

Filesize
3.0MB

Download