locky | 2c379a21876e829c1eeed773990eabe617d8a605b67a03b953e87dfd2c116852

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 15:37

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General

Target

13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe
Size

233KB
MD5

13f1cf097fc8c3a883bd1af16be4afad
SHA1

080261b84d573ab3757497c94ae70cbb9e014d20
SHA256

2c379a21876e829c1eeed773990eabe617d8a605b67a03b953e87dfd2c116852
SHA512

c94c5db0547949933fe86e6ee8ab9ff007d8df5155fb9eb28dea66e80e43e7babfbada288d9a542db0522fdaafc0ff2ffb17b7af3aee5e03c769d7866defb022
SSDEEP

6144:+8ImR5cnj/QdAWSTtTWylI2+Tvloy5NESJCDZ1pv2/PsD:+MR5cnj/GACfvKpOCDHC6

Score

10^/10

locky discovery ransomware

Malware Config

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4760 set thread context of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3620	1184	WerFault.exe	90
3560	1184	WerFault.exe	90

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	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1184	4760	13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Users\Admin\AppData\Local\Temp\13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\13f1cf097fc8c3a883bd1af16be4afad_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 340
    3⤵
    - Program crash
    PID:3620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 360
    3⤵
    - Program crash
    PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1184 -ip 1184
1⤵
PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1184 -ip 1184
1⤵
PID:1896

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

Replay Monitor

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Downloads

memory/1184-5-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1184-2-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1184-6-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1184-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4760-0-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download
memory/4760-1-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download
memory/4760-3-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download