19cbf186adafecbb1ce13f1d954753c5cbd16c310135726c009af62622aa3bec

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 06:31

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General

Target

2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe
Size

45KB
MD5

a00b94058765e8563bace1d3546a470e
SHA1

af31adf999e2cea3e83b1f5a747fde57d9c91219
SHA256

19cbf186adafecbb1ce13f1d954753c5cbd16c310135726c009af62622aa3bec
SHA512

6183bcd50ee558983fe3fb81f1272e8b7c55d6ce842387d2708399e2e2b16ebed2b9f53d08c7a2031bde16e5389d58c02c868f22f64398741d93799e754dd91a
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUU8:vj+jsMQMOtEvwDpj5Hczer5iP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1212	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-01-23_a00b94058765e8563bace1d3546a470e_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 2288 wrote to memory of 1212	2288	2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe	28
PID 2288 wrote to memory of 1212	2288	2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe	28
PID 2288 wrote to memory of 1212	2288	2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe	28
PID 2288 wrote to memory of 1212	2288	2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1212

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
45KB

MD5
ab3dd133d1af4de7784786a1edda0dc0

SHA1
b7636cbc489d9619daa9fe7b925ffc43e61081ae

SHA256
489474df5173fb3146b159db13c18565a1de302ad3ce8d0afd9a4b8fb4bc9644

SHA512
a1a04fd6b55126268adf71ba62cc45805e936faa5ac74500cd1aff38793b716139c457a63633d22a1dde62ce4ec7b42974107b0658212ca2d4e91310c5e752f5

Download Submit
memory/1212-16-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2288-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2288-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download