ed3a25f29df7a8bfb06e58ba5a50e5bf318d350c114fd94bb438e774174dc611

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2023 20:41

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General

Target

NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe
Size

45KB
MD5

fca6ac9485aaa86202705ed60d2dd300
SHA1

bd9e72da1fa6fe11bc2a87bfb404accb1a68f4da
SHA256

ed3a25f29df7a8bfb06e58ba5a50e5bf318d350c114fd94bb438e774174dc611
SHA512

b726a80a04d0ecf2f826be965d08ee3db62afa14cc5c06fa14af7a53f4ee32f40ae9a9ec2bf4e940ed786c71b39443ad0daa733ca3edfeb57feb85e1b7d674ff
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckdpA:V6QFElP6n+gMQMOtEvwDpjeJQ7pojak8

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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4216	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 3332 wrote to memory of 4216	3332	NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe	88
PID 3332 wrote to memory of 4216	3332	NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe	88
PID 3332 wrote to memory of 4216	3332	NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-26_fca6ac9485aaa86202705ed60d2dd300_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4216

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
45KB

MD5
4d735fa813dcee07eadfad96bbd6ce6c

SHA1
dbaac845bd55d5174cfb101fd04be4d20f7ed645

SHA256
83074d0ad83546065859fb28c4941416a639056353d5a9be071127bbfbbb792a

SHA512
0b6b1b96787d37d77044cbf7bb89017536852e83b6de3c5ae24f65b26cf5e169f7e3d4a4ebe9545c6d956a783877a3c039c249f85d266f552902bc80049ddbaf

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

Filesize
45KB

MD5
4d735fa813dcee07eadfad96bbd6ce6c

SHA1
dbaac845bd55d5174cfb101fd04be4d20f7ed645

SHA256
83074d0ad83546065859fb28c4941416a639056353d5a9be071127bbfbbb792a

SHA512
0b6b1b96787d37d77044cbf7bb89017536852e83b6de3c5ae24f65b26cf5e169f7e3d4a4ebe9545c6d956a783877a3c039c249f85d266f552902bc80049ddbaf

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

Filesize
45KB

MD5
4d735fa813dcee07eadfad96bbd6ce6c

SHA1
dbaac845bd55d5174cfb101fd04be4d20f7ed645

SHA256
83074d0ad83546065859fb28c4941416a639056353d5a9be071127bbfbbb792a

SHA512
0b6b1b96787d37d77044cbf7bb89017536852e83b6de3c5ae24f65b26cf5e169f7e3d4a4ebe9545c6d956a783877a3c039c249f85d266f552902bc80049ddbaf

Download Submit
memory/3332-0-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3332-1-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3332-2-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/4216-18-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4216-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download