07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 18:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe
Size

45KB
MD5

70111f94a0196e890e49e87989d6d37d
SHA1

cf8e018f724535606106c81e879eb61fcef6db1e
SHA256

07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274
SHA512

e09d068d9bc699d54fe65ebeb856ec18d622f5ccdac760cd2d3b64269e01bc48aa3fcff728d0b7c3de0ceceae83253e07525fc4d4d7de5600fec891ca7728a04
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9H7Zhwo:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt7P

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000b0000000232f0-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000b0000000232f0-12.dat	CryptoLocker_set1

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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe

Executes dropped EXE 1 IoCs

pid	Process
3268	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 2548 wrote to memory of 3268	2548	07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe	81
PID 2548 wrote to memory of 3268	2548	07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe	81
PID 2548 wrote to memory of 3268	2548	07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe	81

C:\Users\Admin\AppData\Local\Temp\07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe
"C:\Users\Admin\AppData\Local\Temp\07335c16cb72a4ffdc105453328e98c4c51f0f25e30e0170788edb6a5f727274.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3268

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

Loading Replay Monitor...

Downloads

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

Filesize
45KB

MD5
814e1d413224f36eb23ff067d989b234

SHA1
5958c7019ef6a25da4ec70fc5bea87b5ccfcf218

SHA256
676110837a72623f9046d5161956462251c35e18e8f788c4e8abbf6ada3c7bce

SHA512
117516df39e9680ab22599136f8d2e6fada9b732f48e51a0654e4f026f74979d8a4696391fb3a4a1c19e1fece5d85a517fd58e1aaef47c6c39dc579975781f20

Download Submit
memory/2548-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2548-2-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2548-8-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3268-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3268-23-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download