e46a33aa55520a5113e48101778e3ee6914206f6a668fb56acbe2b37b782f4b5

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 01:30

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General

Target

2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe
Size

40KB
MD5

35ce4ba0932620df4d2774786aed3316
SHA1

fb380dd8d19855d68d30f638651e1760c593575f
SHA256

e46a33aa55520a5113e48101778e3ee6914206f6a668fb56acbe2b37b782f4b5
SHA512

7120ff8c15e924db466c8740975365ebe27862e547ca4df01e3e9c2e9c0cb31a84e737e0cdf3739aa1cf9aed55bbf4aa868c0608c160084ed0d5c80b97f0037b
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8POKfo:bIDOw9a0Dwo3P1ojvUSDhe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2920	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2920	2452	2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe	28
PID 2452 wrote to memory of 2920	2452	2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_35ce4ba0932620df4d2774786aed3316_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

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

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
41KB

MD5
59270c6ab964490f8bc4f90e75ec6a94

SHA1
73d159d297ce229e024d1b473e03acca7d10a1d7

SHA256
b82b8c2fc4078ffea3fec7c38feed4344ace4eff3f0cb84cba0fe7a7c73190a8

SHA512
ba9cb0b150fcf6880787e21f4159c88693528f090283eb2f3033ee1d57d23a91b85a7b0eb9c8a6790175bdbbd35bca0b6c9a54fea4f565bbec08ca0616668568

Download Submit
memory/2452-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2452-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2452-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download