4219be40d52a8bb5b7a5d2c618927a488fd3258fc16aef03d95a82dde693caf8

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 11:40

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General

Target

2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe
Size

51KB
MD5

7bba024d49622d18bf13f3973e3b7802
SHA1

6d25c019c5bd88554fed4c42c2a2bde91f30d7a3
SHA256

4219be40d52a8bb5b7a5d2c618927a488fd3258fc16aef03d95a82dde693caf8
SHA512

409e7af916439543703c7197c271ee81266bfb03450825d48dabcf5417e6057b094ce174b9f05e56ffa07e0dc1cdc94e1e5a94fc84289be9e12cd89f2e4a90df
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb7D2l:bIDOw9a0DwitDZzcTPy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012232-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2372	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1248	2024-02-19_7bba024d49622d18bf13f3973e3b7802_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 1248 wrote to memory of 2372	1248	2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe	28
PID 1248 wrote to memory of 2372	1248	2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe	28
PID 1248 wrote to memory of 2372	1248	2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe	28
PID 1248 wrote to memory of 2372	1248	2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_7bba024d49622d18bf13f3973e3b7802_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2372

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
51KB

MD5
ca601d25c83e69df0a1580533eb43e4e

SHA1
3b1629e68d3dc78a72c6f173cdf13416a519851d

SHA256
ecb2d896becf60cd5b298239ec5cc38be49936f7f3d4e781b10790e2a95e73bc

SHA512
895a41284ee4afedadd5de42b0841c2ca48cc216511581e465c8e538f55c9752bc90961841bb34901fe652e283cb36359c7461366ee952db8b9796672077b89c

Download Submit
memory/1248-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1248-7-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2372-15-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2372-17-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download