b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 13:14

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General

Target

JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
Size

470KB
MD5

a354e015ecbc5f858ebc43c7c4a19855
SHA1

003a83f3c71dcdd58f454ccb8afaaadc555187f0
SHA256

b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed
SHA512

0ded8ee4265f6674807cf06c105f97bc538bac87998af8002f85295f127b4004f5bba4d68310b642d33c05e9b75e542c041b41d5daf9027744c2f089b9d18031
SSDEEP

12288:Dm3E3HDei3oXA2jCXgXLz/HQOqzjW/NT:DmU3Hq6oXA2jBXHnqzjG

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	checkip.dyndns.org
15	freegeoip.app
16	freegeoip.app

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	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2988	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
Token: SeRestorePrivilege	3492	dw20.exe
Token: SeBackupPrivilege	3492	dw20.exe
Token: SeBackupPrivilege	3492	dw20.exe
Token: SeBackupPrivilege	3492	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3492	2988	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe	84
PID 2988 wrote to memory of 3492	2988	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe	84
PID 2988 wrote to memory of 3492	2988	JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1b6c12f98979d3ca33af39662d536d45839131a728826d8a8e4e6ccbb97b5ed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1540
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3492

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

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Downloads

memory/2988-0-0x00000000749F2000-0x00000000749F3000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/2988-2-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/2988-9-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download