6aa33d47b1f86f4c4f54e4ce219a368f57d4356e4417bdd90734ab8bdf2ed437

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 13:44

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General

Target

2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe
Size

41KB
MD5

c5d06455cc1b129d310cf05246f6d6d5
SHA1

56d72f6c67f842cc01f68385678b755d1411e4d4
SHA256

6aa33d47b1f86f4c4f54e4ce219a368f57d4356e4417bdd90734ab8bdf2ed437
SHA512

cfa64c11c405d6ea0d05853d343b72351b7a577b8e90ceadc546df111ed792bb61e6d54ddd32b386085bb13e4a8f83353b760ecc31b261a73dd2a05e6e900a42
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8POKXuy:bIDOw9a0Dwo3P1ojvUSDh1L

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000000e655-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1268	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_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 2180 wrote to memory of 1268	2180	2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_c5d06455cc1b129d310cf05246f6d6d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1268

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
e8c0657105af6624ea09579a56362692

SHA1
c8be270e859ab5b90ef0f2cfbda34930821b7576

SHA256
5b28727880d8f22472e48f927920e896612b824f4dbbe44ad9dbb4337a693d3d

SHA512
f7a8f209772bd408a06f12b4adc1baac3a798f0d67e2c19b2ea18196fbe7e723eb233155ea861b5f028617a0f69ef5c311895caafb98a42bc843277ce9619f0c

Download Submit
memory/1268-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1268-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2180-3-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download