005b3abd56d308a2628b1cd66949f85f8e9b2242af3cbdb30931f66c304e54b6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 06:37

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General

Target

2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe
Size

93KB
MD5

61ed47d4ca79d677d18141e74f0593e8
SHA1

93ffc4db7651cbdf30cda66a70be6438eff423d0
SHA256

005b3abd56d308a2628b1cd66949f85f8e9b2242af3cbdb30931f66c304e54b6
SHA512

a483ccca5a21ff99ee6f5a0a7c7fa947006be49245d23dfa450c6444fd889e525883ffcd76b0538760207ee42a8aa047ab87d1278d957a3c0e550e6e07b0d8fb
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCJN:26a+2OtEvwDpjtzwN

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 4988	3584	2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe	83
PID 3584 wrote to memory of 4988	3584	2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe	83
PID 3584 wrote to memory of 4988	3584	2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_61ed47d4ca79d677d18141e74f0593e8_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4988

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
93KB

MD5
3f50d6b29b0187b2c0f9550cb3946675

SHA1
2b47aa74526d6d4d8faae2afa574b53373dfe4da

SHA256
74d63c6a2b921856a607d800b4477b8259eec82a2c8d0571f939b7d7bd548f2b

SHA512
1611ee13c3bb18cf91ef8dce61e7457f48c6a5fad639b97733997f7991bf3ee89de672c67ccd7e4ea6333cd2034539608ab49133d5821becf65bb1eb798cbdcf

Download Submit
memory/3584-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3584-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3584-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4988-17-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/4988-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download