6372fba42feb27c2145a402d9a04cea822a3892a1b573b56ae5e3c64650c709b

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 20:32

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General

Target

2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe
Size

120KB
MD5

9aae709f36f3a90891d58b279fc6fb87
SHA1

d503d5b1509a4737e63dbf6782070f1efd07c364
SHA256

6372fba42feb27c2145a402d9a04cea822a3892a1b573b56ae5e3c64650c709b
SHA512

6cec4bbdc7a0d1adb1b1df7e2717e8e6bc87e1c278635dcf295a99c4d3ecfff2760cd7e3b3a0c29966a97f4340c084b857f16ae585d51d1dac836af7ebb138e3
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUSd:vCjsIOtEvwDpj5H9YvQd2+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000231fc-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000231fc-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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	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 4092 wrote to memory of 2404	4092	2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe	86
PID 4092 wrote to memory of 2404	4092	2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe	86
PID 4092 wrote to memory of 2404	4092	2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_9aae709f36f3a90891d58b279fc6fb87_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2404

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
120KB

MD5
df2570738ef0b58ae642ecca5f01c8ad

SHA1
4e5657cc513c7410bb7abf8f8ee0374ae69f6a96

SHA256
ede87ccb0288ce206a89624e096ec373c90f4354b3fe79719870efffe55da1d4

SHA512
636116fa324b5d62e4d9442bd1c0b544aedf59694ee02b2f919c21e9259456a9fe116579b7fd12f4462e9c8fbfa9a0f19543c748da21bdb47b9c3fbed0b027f9

Download Submit
memory/2404-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2404-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4092-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4092-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4092-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download