07ec32b32e864d2101c61c46030300cde4c22477b6bb0b9bf9c70e652a9f0f9d

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 22:32

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General

Target

2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe
Size

53KB
MD5

c96348fa689a1528155d50c7f64105e9
SHA1

0b18464e3847b7fdcd50d2fc015943df35cf90f5
SHA256

07ec32b32e864d2101c61c46030300cde4c22477b6bb0b9bf9c70e652a9f0f9d
SHA512

9e41046d0e8b0da1de9f942c6e21ce4b32227c7ca4e5b17175847a3e800dcd27d75e3c33319defbf68683c8744923f7e7abad113cf6c835702362618662dcebc
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv0it/:vj+jsMQMOtEvwDpj5HH1nw73KOFsiN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023356-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023356-12.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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1912	misid.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 1852 wrote to memory of 1912	1852	2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe	97
PID 1852 wrote to memory of 1912	1852	2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe	97
PID 1852 wrote to memory of 1912	1852	2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe	97

C:\Users\Admin\AppData\Local\Temp\2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_c96348fa689a1528155d50c7f64105e9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1912

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4400 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
1⤵
PID:4036

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\misid.exe

Filesize
53KB

MD5
3ecf0878d710f413bb911e034a27e454

SHA1
3c267493e0c18db010e6cef5b8975c25e81eaaeb

SHA256
9334ca11058c0691de8d92d5cdd67e6549ca45b808df8f15f77549dc19c81db3

SHA512
e6d6d85d308428ee274de98915e6afd515a2aa2d1765df57ef92b4ea29c239c49b3f514f755ee908fc6e91f8da2c7b87e0969057a992960b7ce0c351610e6240

Download Submit
memory/1852-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/1852-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/1852-2-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/1912-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1912-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download