0fb56670f3255521dfbee25cd47fac82e2065d4f10a60fbb9d895448a8823f02

Analysis

max time kernel
89s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 17:52

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General

Target

2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe
Size

122KB
MD5

d9e15b3a76b303229c73ffc9d5d6de37
SHA1

57606a71f16d844eda85016ad9fa1fd6eab13a88
SHA256

0fb56670f3255521dfbee25cd47fac82e2065d4f10a60fbb9d895448a8823f02
SHA512

e5ad7c7e253813023f1ca83778d01be7e1419ba4954818665675ce4cff022805cb3f2e37eff842c111002290ae1c5ce8155d7576ea376716da0ffac80032755a
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4d:vCA9OtEvwDpjw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1492 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1492	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe

description	pid	process	target process
PID 960 wrote to memory of 1492	960	2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe	misid.exe
PID 960 wrote to memory of 1492	960	2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe	misid.exe
PID 960 wrote to memory of 1492	960	2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_d9e15b3a76b303229c73ffc9d5d6de37_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
PID:1492

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
122KB

MD5
60806ea28c36f43b0a2a273e76ea394d

SHA1
8607fdc8b3ac6f802df69d42feefbdf6a0e097bf

SHA256
f29444e85b7e9ee6977d24acac20e44f229ba1663fc3a11acbcd742487599606

SHA512
e18b874482bf3cddb8df2fb3d6a9d1676914e09875f43fc68ad08babf9f610806729062eb83e8b025fe31f824aac4b31d8725fc55217b4f25842a197d0fe2143

Download Submit
memory/960-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/960-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/960-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1492-17-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/1492-18-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download