994fb21a8a9bc64ba9e40e5da59d99a5a5d9b70ae43ec8a8c7e300427440496a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 00:34

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General

Target

2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe
Size

55KB
MD5

80b23877cd5fe5680354d406ae737561
SHA1

ad1253e813d66265575bc3c630bc4c425674b0c9
SHA256

994fb21a8a9bc64ba9e40e5da59d99a5a5d9b70ae43ec8a8c7e300427440496a
SHA512

9aa2b754924decf9d4f76fde0e50d2943ddd1df0c24a6081db3d84ca0021065528f949c5f2a94889adab60c6828dbee86993f21f6651877eae0dd5c936c9d0df
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5UjC:ZVxkGOtEvwDpjcf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00050000000232a4-13.dat	CryptoLocker_rule2

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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3300	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 3284 wrote to memory of 3300	3284	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	81
PID 3284 wrote to memory of 3300	3284	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	81
PID 3284 wrote to memory of 3300	3284	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3300

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
55KB

MD5
552463a62abc9257bbac0014635b2145

SHA1
06c63009914a75bcf8a1541866e555dda76d315e

SHA256
5664fa83647367ac2164645c47fd3605d98994932664eb387c59eec25876d412

SHA512
623037b657abf4a82d39fb904fc80d7df8663446a54a4e818481bdc2e11e1bc4f436a44e555a401369f05aafc4217d8fcf9ef43a017c5e2a3d6d8c7c9b6ab160

Download Submit
memory/3284-1-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3284-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3284-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3284-9-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3284-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3300-18-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download
memory/3300-21-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3300-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3300-27-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download