e4b39a92d24db4a2d83ada95635f5dbb5d73cbabc366514caa2854c8a42f1b6c

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 07:54

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General

Target

NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe
Size

42KB
MD5

35af8b611e990979e65f66fdc225f4bd
SHA1

12d81b13677403cc8bc07159c4c498eb2ec2aec5
SHA256

e4b39a92d24db4a2d83ada95635f5dbb5d73cbabc366514caa2854c8a42f1b6c
SHA512

8f9665550d21f4e005959124746dcedc58e3a760008a9523a2ea973c8905e9924866f9a659662bec4f21aff866616e51d9185536b794b3f1694421f7aceeed2c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55S:X6QFElP6n+gJQMOtEvwDpjB0GIWS

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-1-5-21-356073083-3299209671-3108880702-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4120	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 4228 wrote to memory of 4120	4228	NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe	37
PID 4228 wrote to memory of 4120	4228	NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe	37
PID 4228 wrote to memory of 4120	4228	NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe	37

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_35af8b611e990979e65f66fdc225f4bd_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4120

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
42KB

MD5
d0eea27a997421cb6827529054a0db98

SHA1
b5a0822674429631a596e78f8b399b509acd417c

SHA256
5d2413f2cd6b475936de58ef19ad521a4b05153f7bd88e5c200ae475240d9b8c

SHA512
2bc971c54df558dc8916a247a23e27c052a1270e3253815c1f932a3a03d217e34136bca48f5fdb1da794c8a8e91f8d28e079ae5f7d9a6ef2de26bc3e36ec9220

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

Filesize
42KB

MD5
d0eea27a997421cb6827529054a0db98

SHA1
b5a0822674429631a596e78f8b399b509acd417c

SHA256
5d2413f2cd6b475936de58ef19ad521a4b05153f7bd88e5c200ae475240d9b8c

SHA512
2bc971c54df558dc8916a247a23e27c052a1270e3253815c1f932a3a03d217e34136bca48f5fdb1da794c8a8e91f8d28e079ae5f7d9a6ef2de26bc3e36ec9220

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

Filesize
42KB

MD5
d0eea27a997421cb6827529054a0db98

SHA1
b5a0822674429631a596e78f8b399b509acd417c

SHA256
5d2413f2cd6b475936de58ef19ad521a4b05153f7bd88e5c200ae475240d9b8c

SHA512
2bc971c54df558dc8916a247a23e27c052a1270e3253815c1f932a3a03d217e34136bca48f5fdb1da794c8a8e91f8d28e079ae5f7d9a6ef2de26bc3e36ec9220

Download Submit
memory/4120-18-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4120-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4228-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4228-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4228-2-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download