fc72dc250b7b2a6f7ba62c06581c0725b71e0a0a1816679e035120cf09f51f3c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 21:30

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General

Target

2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe
Size

31KB
MD5

4ce5333b07cb00bec94670a85335ed5b
SHA1

c4aee82999fe593dde64b011ddaa964f909a2f81
SHA256

fc72dc250b7b2a6f7ba62c06581c0725b71e0a0a1816679e035120cf09f51f3c
SHA512

6f1795c33c1ccf2d3c130c6879afd6e4ea17fb5f4603e6d87b4a2ad8bba411e09ad312cde4aaa19d4a7393d1d2fb9fc77e633259c3ff91221f2879e76f7671f8
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdM:bAvJCYOOvbRPDEgXRcJK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016176-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2160	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_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
1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe
2160	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2160	1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe	28
PID 1972 wrote to memory of 2160	1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe	28
PID 1972 wrote to memory of 2160	1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe	28
PID 1972 wrote to memory of 2160	1972	2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_4ce5333b07cb00bec94670a85335ed5b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1972
- 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:2160

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
31KB

MD5
02fb5f340e578c9cf1dcff27d727ef06

SHA1
a5827d9b9a2ae26444d7c822d8fc065ccda13652

SHA256
c369cf1e46f71bdb61f8669fea184ecce73bb21b12b1691c2536d1239be58cee

SHA512
634dbea3c68772eeb1164b65e18534710c40b9b166bd1ea6a6ad73267a6472b92cce5e917666e069b7f8c122d2f85e376ecbdff304573f16062efb376235f924

Download Submit
memory/1972-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1972-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1972-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2160-23-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download