951f3e5191b9f4eac70974d349cadb5bd4dfcff407bf2364f0bb9991076c3674

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2023 20:44

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General

Target

NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe
Size

89KB
MD5

054e63fe1c68aa45f2c3f0ba7ab368fa
SHA1

1b9ecc1dfd74bbfc302d562887d4285416bb260b
SHA256

951f3e5191b9f4eac70974d349cadb5bd4dfcff407bf2364f0bb9991076c3674
SHA512

426d2ceb6928c18833898520bdc729eaf2237e2af867c3588e35c276b669207bb83cca5a28611616819715103784e9a6177c91059d2e2d11fea1e827d7e47c8e
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWHShl/3F:V6a+pOtEvwDpjtr

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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1700	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 3040 wrote to memory of 1700	3040	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	88
PID 3040 wrote to memory of 1700	3040	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	88
PID 3040 wrote to memory of 1700	3040	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1700

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
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

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

Filesize
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

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

Filesize
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

Download Submit
memory/1700-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1700-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3040-0-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3040-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3040-2-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download