24292a45567c382521d13bbb45bf9485df76b2a4eabd39328132886da3318b9d

Analysis

max time kernel
86s
max time network
135s
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 19:24

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General

Target

2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe
Size

123KB
MD5

7374c64d56f3b197c6e28aea46ca5ebd
SHA1

67cdcc4748dbac480b23bd1bc4ca884f025f02ca
SHA256

24292a45567c382521d13bbb45bf9485df76b2a4eabd39328132886da3318b9d
SHA512

c6d298abed58b3b1baa0fea4d6f7752005d6380b8f7023bd86a28eaa238572496d5afbfd1aaa0621e68eb508fd3b62807cafdc5b8d2ae496b29b60bca38d7f5c
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4qK:vCA9OtEvwDpjM

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_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

4572 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4572	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe

description	pid	process	target process
PID 220 wrote to memory of 4572	220	2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe	misid.exe
PID 220 wrote to memory of 4572	220	2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe	misid.exe
PID 220 wrote to memory of 4572	220	2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_7374c64d56f3b197c6e28aea46ca5ebd_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:220

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:4572

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
124KB

MD5
5c693327f5b8a637ee88e0c367107daa

SHA1
0c0fb318818a95cde58c7854020f698d15310c41

SHA256
ac385b283ce75f6b7a5224893a1808aaf90e1dd75f7aa75a9d2e21b80e26d5c9

SHA512
2db1450f3f59c540bac35e490f0ca5b3c82b63a40f1b0897b0849b9a1ded2c7e2617fbb3f2b0a6cf304ea074067a084b06d902f5a3b5bb37dc476556197e6eed

Download Submit
memory/220-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/220-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/220-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4572-17-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/4572-19-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download