4dbd56566b617384d5a5403d043d8682114dfa2accd08fc74aaf464b581b3231

Analysis

max time kernel
136s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 12:15

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General

Target

2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe
Size

37KB
MD5

bafac72ce03c0d5ccc8b877942fc7ece
SHA1

c2144db574ebb5fde7ee4216876c98fa725b9f1a
SHA256

4dbd56566b617384d5a5403d043d8682114dfa2accd08fc74aaf464b581b3231
SHA512

be19d477aae5598c59aee7c30a1d2a06915ec6f9ae235a46866452d7d892145e8d92a51e17ae6a69399479b1077377c7b52785ad9e9a2305c653467cfec86bb8
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu529hBg:bgGYcA/53GADw8Ch93g

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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3928	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 1164 wrote to memory of 3928	1164	2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe	93
PID 1164 wrote to memory of 3928	1164	2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe	93
PID 1164 wrote to memory of 3928	1164	2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_bafac72ce03c0d5ccc8b877942fc7ece_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3928

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
fdb7d6dcf2930e282e9cdd8c67537c0f

SHA1
2f0dda5dd19a528799f8b8661829e74bd6573cd4

SHA256
24e0bf1544caef299c5834224508bff7e2b7a5dbdbaf07ed2e862114daa09016

SHA512
210b0fe49abb26cb9293f0f983ed60861bdaf2bd9693de25cb0fa21c06f98d61bb9e4016d6833298fcee2cb305d87adc5ff353d58542d3b7aceb8c88f1b53a68

Download Submit
memory/1164-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3928-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3928-23-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download