65196b6a1c1e5fbf593ce116a52b65e577413dd2e3b0d0fa0423e92cb974f639

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 00:50

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General

Target

2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe
Size

38KB
MD5

fcc223fb39181c1c23162dd69a9b9958
SHA1

9ccd6011a1787c219c544210d32f87804ac8f466
SHA256

65196b6a1c1e5fbf593ce116a52b65e577413dd2e3b0d0fa0423e92cb974f639
SHA512

88007af1ed68d388d7ae4733df97116a5fda576d95ec8e73ef1d138dd9de05bdadb4b995a309fb96a5cec4b79b17c3ecf0bce24958175f3cae3445f6fa2d8064
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OkY:bxNrC7kYo1Fxf3s06gY7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9a0-12.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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3620	pissa.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 3688 wrote to memory of 3620	3688	2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe	88
PID 3688 wrote to memory of 3620	3688	2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe	88
PID 3688 wrote to memory of 3620	3688	2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_fcc223fb39181c1c23162dd69a9b9958_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:3620

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\pissa.exe

Filesize
38KB

MD5
32134a65c8805602c4d030cafca8e484

SHA1
e93662a0832aeca0c6b3f4823169a68f7fefbd62

SHA256
703720129137357103a3371df52e226fd90871cc832a43df67eaf0e44731de20

SHA512
1f6c080d71fe657a7cfacc599d85892fe34d178df24b02bc3e72fa79bb35117daa444f5f9ac676e8d6dd6262bfa58771f79a746d52400a4895ac8881a026c22f

Download Submit
memory/3620-17-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/3620-19-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3688-0-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3688-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3688-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download