17083af6aed743dabd575d165361a615b42e4fa2db47f166a36fcc2c99d5ad92

Analysis

max time kernel
92s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 02:25

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General

Target

2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe
Size

38KB
MD5

0142bcaeb26be5f75787a448a737b757
SHA1

ff29b818331829659e2e0e364b8f4fd36d15b310
SHA256

17083af6aed743dabd575d165361a615b42e4fa2db47f166a36fcc2c99d5ad92
SHA512

d8e8e82456aa44f164da3f1530382ec41654f528ea15f7b10c7369bf99534de5577093dded4c350da64a838164bb2a74e1522d58470776bedade52cccce8af05
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenU/:ZzFbxmLPWQMOtEvwDpjLeK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000224f7-13.dat	CryptoLocker_rule2

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
3956	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 724 wrote to memory of 3956	724	2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe	88
PID 724 wrote to memory of 3956	724	2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe	88
PID 724 wrote to memory of 3956	724	2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_0142bcaeb26be5f75787a448a737b757_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:724
- 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:3956

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
38KB

MD5
5065b25395fabc89d8dc04aaa42a13da

SHA1
444be5bbf437d23566e7f6220c8dba1b2a62818e

SHA256
975694a3293d6a1b992352e4b6e9b81aabef104c89eb7df8f39feddf73ca0cb1

SHA512
6d656fcb12fdbf5f91a29e74a2e30027939705d9a94f9d6aee3bbb68e429edfb5d65e8a6908eb10137cb91624079a4b0f0a9e615c271aff8c901f80a06b69795

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
1KB

MD5
7905322ad763df172cab27728e5cf66e

SHA1
3b6a6c5eb42330572e2c30776555bcacfd66a327

SHA256
b0c2dbc9411a6e49d9ee79caed986b350511ce1a7bb96d806bb3ea5ccf5ccfcc

SHA512
a5325cde0c816bfe31c3ae298f2762ee04229fa82dcb2c0cdd930c962fe2bc8b4efdac5288f703694501a9409d2679a52055a8a1d90d014505dd90f972e5f50f

Download Submit
memory/724-0-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/724-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/724-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/724-3-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3956-18-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3956-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3956-21-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3956-59-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download