259b0cb08bbcc0953fe57c90521d60af1ba4d51ee5ae0d87cfacf76edaed4679

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 04:45

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General

Target

2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe
Size

36KB
MD5

ade34cbc85693485a2edaacd2c0a7c6b
SHA1

396c2a8964bed88052f26c167b00b9fc376d2b95
SHA256

259b0cb08bbcc0953fe57c90521d60af1ba4d51ee5ae0d87cfacf76edaed4679
SHA512

0d9a83169d67a88de88095cc67fc212f6c886bf25b8d3b9237e63987d836920ad65f5d51fef60e84074bed64e43229d2c1df01a4afc59062c9e57a19cea76532
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDq:bAvJCF+RQgJeab4sb+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014120-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2556	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe
2556	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2556	2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	28
PID 2956 wrote to memory of 2556	2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	28
PID 2956 wrote to memory of 2556	2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	28
PID 2956 wrote to memory of 2556	2956	2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-08_ade34cbc85693485a2edaacd2c0a7c6b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\demka.exe

Filesize
37KB

MD5
c8a88996b621c846521a9a27ee357595

SHA1
a4a2642083546cf47d2ce10d8dd98f886421e2f5

SHA256
3fad5ec5399aa3b3777c5fff66540f00c18eba1f7f1eab22a381e42c8d9f7eb1

SHA512
8f43bec747a2ec0d0b876ddff91a7c6a96ad754d2ebc4c31969b7bfff4138e2c6cc85f1508ae1f3ba6ed701e4a515d81b4e9298f9767d128ea868d180e263c36

Download Submit
memory/2556-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2956-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2956-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2956-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download