b365f068c232e48ec7fc4546689668c860052d8e8ff1f4e8e71bb4fc07c7a4b4

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2023 14:03

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General

Target

2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe
Size

30KB
MD5

ececf3cf18d5e5d755687a199c0f68a6
SHA1

3861375b87d668cad78e4a2c0b5aa69cc8d1456a
SHA256

b365f068c232e48ec7fc4546689668c860052d8e8ff1f4e8e71bb4fc07c7a4b4
SHA512

c2cedad02c0d3ebe64bb939df3327fffe182a6693bdb11e010ddfc1c90ae7a8e418c3ff63199dda96e8a3cb4e7b490bc5d83760acab7dd3dac1bba31afcee835
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNd:btB9g/WItCSsAGjX7e9Nd

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-1-5-21-1980726966-773384374-2129981223-1000\Control Panel\International\Geo\Nation	2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2156	gewos.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 3996 wrote to memory of 2156	3996	2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe	87
PID 3996 wrote to memory of 2156	3996	2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe	87
PID 3996 wrote to memory of 2156	3996	2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-22_ececf3cf18d5e5d755687a199c0f68a6_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  PID:2156

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\gewos.exe

Filesize
31KB

MD5
961bbab02baa59a0b44cf50045a1d2e1

SHA1
54e7645352cb4f7990f413ec16ec78b06bfc45ce

SHA256
0cf5220b5da0587f5997987bd0e9d0e89c107f18990929d12f44d5cf1587ba3d

SHA512
4383c2fe88a4108a39ede50913cf8873aac4b61462fb512bb1ddc02f02ec96ed28d665a605e5aa871b8f3bfb8365b14e10a03bc9751c8775e6d6407e429d44e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
961bbab02baa59a0b44cf50045a1d2e1

SHA1
54e7645352cb4f7990f413ec16ec78b06bfc45ce

SHA256
0cf5220b5da0587f5997987bd0e9d0e89c107f18990929d12f44d5cf1587ba3d

SHA512
4383c2fe88a4108a39ede50913cf8873aac4b61462fb512bb1ddc02f02ec96ed28d665a605e5aa871b8f3bfb8365b14e10a03bc9751c8775e6d6407e429d44e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
961bbab02baa59a0b44cf50045a1d2e1

SHA1
54e7645352cb4f7990f413ec16ec78b06bfc45ce

SHA256
0cf5220b5da0587f5997987bd0e9d0e89c107f18990929d12f44d5cf1587ba3d

SHA512
4383c2fe88a4108a39ede50913cf8873aac4b61462fb512bb1ddc02f02ec96ed28d665a605e5aa871b8f3bfb8365b14e10a03bc9751c8775e6d6407e429d44e8

Download Submit
memory/2156-20-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/3996-0-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/3996-1-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/3996-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download