db2da8cdadb34d108a133da8707dd53c94f9aa3fba02dff7c6e7c295d972341b

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 09:52

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General

Target

2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe
Size

59KB
MD5

aeae2330f53c7b0a5825ea160f8e34c3
SHA1

bafe29d27a5dca26a3a94427507c66e6bf448132
SHA256

db2da8cdadb34d108a133da8707dd53c94f9aa3fba02dff7c6e7c295d972341b
SHA512

242025d5d5fe09e0163fcb127ebf909639e1d695ba8dd523dd9fccc54a1d232661a8b0908a1784300c0b7f64760cc2f03d940fe22cfe40551682baf775a33a60
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOr:ZVxkGOtEvwDpjP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000230ed-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-1-5-21-3844919115-497234255-166257750-1000\Control Panel\International\Geo\Nation	2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4004	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 3028 wrote to memory of 4004	3028	2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe	87
PID 3028 wrote to memory of 4004	3028	2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe	87
PID 3028 wrote to memory of 4004	3028	2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4004

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
59KB

MD5
552f281944e3789e9644e93cbbdd67c7

SHA1
205d1330b5c04f10d7cec61b7fa160bf9e7ef97a

SHA256
550adb299033e30b1eb4a26d16f3ed25758c26e3c5d14adb066b2e34fe43501c

SHA512
9a1583899488e9bed8ececd2662f78b05e79e3b96ba9211830249a24eda06a67a275b0d977b68b03379e3e03b331399748b500958211d5a1f64ba00a24071e8b

Download Submit
memory/3028-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3028-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3028-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3028-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/3028-20-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4004-17-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/4004-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4004-21-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4004-27-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download