aabe306492500259607ed44009bc330e9ad55851ed8b4d8f73a22a476f29974d

Analysis

max time kernel
155s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 09:33

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General

Target

2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe
Size

37KB
MD5

48644209a6b1eca2cfdfce4f6b227e0f
SHA1

5b69d32ee0b1f13d104820bc389d41875ffac1f6
SHA256

aabe306492500259607ed44009bc330e9ad55851ed8b4d8f73a22a476f29974d
SHA512

0f22af2be062a80e801ca609b1701aca0132e1017c4f973428315bc78ee8111e8947d62d051f32de53bdb5b6a100eb7fe2ce51ae407d0dbe2bbbcb56b1d1c2dd
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7CDd:ZzFbxmLPWQMOtEvwDpjLeW5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023211-13.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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4064	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 3144 wrote to memory of 4064	3144	2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe	88
PID 3144 wrote to memory of 4064	3144	2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe	88
PID 3144 wrote to memory of 4064	3144	2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_48644209a6b1eca2cfdfce4f6b227e0f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4064

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
37KB

MD5
113171fcdd904bf8d7b60c79873c63b3

SHA1
f4b9cfd818d3ebb84a44309534ea925cc467bd85

SHA256
b661150ee3ac2e2ca2db7841cdbe3562aa9edfdd83d2cf596b311b54099f2ecd

SHA512
59af0c53c8a3d70a79bfe0182e645dc047c6b9a62583d0e6cefb532bdba2abd59c41d923ffdf6552beec8ca1d75de7904b86c0f73feea3a03f40d455452eed97

Download Submit
memory/3144-0-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download
memory/3144-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3144-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3144-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/3144-17-0x00000000004F0000-0x00000000004F3000-memory.dmp

Filesize
12KB

Download