6f07b0455ab08f1602ea757b731b7af5ff3b6ddb23561d41b44ae5a36d4b0fc7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
26/04/2024, 04:12

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General

Target

2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe
Size

60KB
MD5

eec87765cd6b0e66688f93a62bc9258b
SHA1

0a801a2ee12a521f75e45cdd94aac1f616484000
SHA256

6f07b0455ab08f1602ea757b731b7af5ff3b6ddb23561d41b44ae5a36d4b0fc7
SHA512

f81caad32bfdcacf6d610587f9bca3616baf0e7569db6e7e8dc5b9911a72fcc8c7a025e97011e39fb8b5cd2ef31c37a8e1faaa36c9278a83d3f7da273268ac71
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/EM:ZVxkGOtEvwDpjcOv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000001db0e-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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1012	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 2576 wrote to memory of 1012	2576	2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe	87
PID 2576 wrote to memory of 1012	2576	2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe	87
PID 2576 wrote to memory of 1012	2576	2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_eec87765cd6b0e66688f93a62bc9258b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1012

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
60KB

MD5
59ae548886d9fe2b31497390b3915d32

SHA1
2f17238ed1327af9669c3972223603346ab4826a

SHA256
0fd7a77d94eee2f6d43e2847228928723e1618f02972f8369fca5e3deb30f170

SHA512
b05e639cee72ddd531c6a34dce0daae8376b811c529ad340b554fadee078bffc291f6568dd095a78e923778fb6cd61651ba1274e146d37b248c579835ec81e28

Download Submit
memory/1012-19-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1012-21-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2576-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2576-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2576-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2576-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2576-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download