1e9f792b4754e082d796405f739b1bc0a9b164468b53fa0222e684304dcaad33

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 16:29

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General

Target

2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe
Size

63KB
MD5

272279a1ce521c657bbed1fe16575ab8
SHA1

e9cc0d991c24bc04f08af2fae5e977a81d478892
SHA256

1e9f792b4754e082d796405f739b1bc0a9b164468b53fa0222e684304dcaad33
SHA512

f5775474b9ba1c50ebd475081740a5ecdd7d89e302bb118c7b22a19a860a3bbc14f4e09b77b4c87409d82991814820c237af38670b43bc66c248dbcdc1dc00af
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1e:vj+jsMQMOtEvwDpj5Hy7B3gG8xzUjqy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2772	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-03-13_272279a1ce521c657bbed1fe16575ab8_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 1712 wrote to memory of 2772	1712	2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe	28
PID 1712 wrote to memory of 2772	1712	2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe	28
PID 1712 wrote to memory of 2772	1712	2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe	28
PID 1712 wrote to memory of 2772	1712	2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_272279a1ce521c657bbed1fe16575ab8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2772

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
63KB

MD5
28a9e0bbdd4699e9a706418fcae20666

SHA1
eddf3bb4231f541729be3a352a0a6dc059132db5

SHA256
4968655511e22814df101550fe69828bf7012db122c3580314d6c24fdc3860f1

SHA512
51e4bf594d75c8e4780aeaa26ffe7b5628e19808025d82d108909ffd1720d5083d2f42312f925eb3c8730df00948fbc549b7b3f776a4fcdce77b4d3c5cfd5323

Download Submit
memory/1712-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2772-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2772-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download