5f70ef7f7b69494d95245358cf94468a48e24fa2d0d46080405ce29e0d570972

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:19

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General

Target

2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe
Size

37KB
MD5

fc6d83bbce79b7989756c91c1529ceb7
SHA1

6b987839dc119da0404732022aad852acca1d03e
SHA256

5f70ef7f7b69494d95245358cf94468a48e24fa2d0d46080405ce29e0d570972
SHA512

6f992fe1db5b76abab6fa2096dc88a390eb8042efb4e939537867f77a17afb944bec5c9c74fe0756f8016818e12e52656c8d9dc1e027506cd69871dc7b37371d
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZ95d9hi:bgX4zYcgTEu6QOaryfjqDDw3sCu529hi

Score

7^/10

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3136	hasfj.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 3136	2856	2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe	84
PID 2856 wrote to memory of 3136	2856	2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe	84
PID 2856 wrote to memory of 3136	2856	2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_fc6d83bbce79b7989756c91c1529ceb7_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3136

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
37KB

MD5
03806c2ef50cef658b6e39a2c1b1ac56

SHA1
b04f9c6955af92f5a86d5474ba96ba6d5573c434

SHA256
bf3f8a58b81a3c4be2238e29c7487f83fe57561baf6aa8da240cd89eeedce171

SHA512
ff6a5e276dc80f34906b8e9164e19edbabc48fd5c440855513bb69a4f89a7ba24f795c7f988dfcce65b27624ec4f8278bb5e02646384b117ff27ba658e9b2c40

Download Submit
memory/2856-0-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2856-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/3136-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3136-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download