b6c1deeb63eed31dcfd414f7e647f58da836832ada201826a224e5ac8ae88e17

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 01:33

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General

Target

2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe
Size

100KB
MD5

3c54f37ba272ac9c403019ff6fda3038
SHA1

a18e619124d9c22bb2100329898ac2a8a4f78c9e
SHA256

b6c1deeb63eed31dcfd414f7e647f58da836832ada201826a224e5ac8ae88e17
SHA512

7d597d0db110dd4ea285696b350d508d789d5a65fd145243c6acb7050bd255911b8ffd06cf4049d11a9db7cf83575fed85a3353776707c16811ff2a25ae59164
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNgpQbCJjW:26a+2OtEvwDpjtzJ

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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4816	asih.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 2144 wrote to memory of 4816	2144	2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe	83
PID 2144 wrote to memory of 4816	2144	2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe	83
PID 2144 wrote to memory of 4816	2144	2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe	83

C:\Users\Admin\AppData\Local\Temp\2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_3c54f37ba272ac9c403019ff6fda3038_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4816

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\asih.exe

Filesize
100KB

MD5
3d2486b65c55ffd98bb947a00b5d9c99

SHA1
502353fba8ee71425d514d733dc14661be485a1b

SHA256
dbb5746555b93a4b4523ed1dd0490b37f98b0f2b9dd14fd601c4046590979a01

SHA512
e5ac3495bc6431937701bbf6f7902d6ab66f496eeab1b844fed48bf3d61ac65dfc0db846b823d5697dd86ebb8c32fe519afc6b901dad5034824a9b7367c2b58a

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

Filesize
100KB

MD5
3d2486b65c55ffd98bb947a00b5d9c99

SHA1
502353fba8ee71425d514d733dc14661be485a1b

SHA256
dbb5746555b93a4b4523ed1dd0490b37f98b0f2b9dd14fd601c4046590979a01

SHA512
e5ac3495bc6431937701bbf6f7902d6ab66f496eeab1b844fed48bf3d61ac65dfc0db846b823d5697dd86ebb8c32fe519afc6b901dad5034824a9b7367c2b58a

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

Filesize
100KB

MD5
3d2486b65c55ffd98bb947a00b5d9c99

SHA1
502353fba8ee71425d514d733dc14661be485a1b

SHA256
dbb5746555b93a4b4523ed1dd0490b37f98b0f2b9dd14fd601c4046590979a01

SHA512
e5ac3495bc6431937701bbf6f7902d6ab66f496eeab1b844fed48bf3d61ac65dfc0db846b823d5697dd86ebb8c32fe519afc6b901dad5034824a9b7367c2b58a

Download Submit
memory/2144-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2144-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2144-2-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4816-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4816-18-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download