0efca0558ddac48ecce81672fbcbaaa1389bb564d033f45cca4426b2eb39504b

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 05:28

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General

Target

2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe
Size

60KB
MD5

1c4407611df40f196bda84dcf857e9a5
SHA1

0285e242a0fe41e53e75628916302c2419f6a834
SHA256

0efca0558ddac48ecce81672fbcbaaa1389bb564d033f45cca4426b2eb39504b
SHA512

c824d09815821f2b5e415b2c157253f11d2ea75948cd8c38e6835eedde88a2d1597ee6cec82eb5f16d2224d383634444b87bd01d3d23d30f6b545ef16ee97b3b
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cMFqeoYPO+lxUUer:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lIr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3060	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	2024-03-11_1c4407611df40f196bda84dcf857e9a5_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 2392 wrote to memory of 3060	2392	2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_1c4407611df40f196bda84dcf857e9a5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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\misid.exe

Filesize
61KB

MD5
47f833fb0c4808b91f49b669dd6c2870

SHA1
acd3c231c47df757465b533858a1addfc1923404

SHA256
d5aa77d505e06c15d608dfc8d51424744dc46aa3f8605f194b3c65dca3a35490

SHA512
26069dc61fa776ef332ca1656fe2a9d1321a642ccf7fc3ac5da10e5ccdd6e2da7d3f808bf88c601a1858ed3c463cccd16d2bda3c53f444fdb8f24be9e719b223

Download Submit
memory/2392-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2392-2-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2392-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2392-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download