d11fdd591320002a53c3206cf3512c27a6f570cb2996fd6caaa97197880e0ba5

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/06/2024, 21:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe
Size

41KB
MD5

94f71569778e5ed9436d398d747599f2
SHA1

527edce7684f46e416bd03c8e68e406b078774b8
SHA256

d11fdd591320002a53c3206cf3512c27a6f570cb2996fd6caaa97197880e0ba5
SHA512

882e39165ba918b4805a1a2d72ae41ca329512b3a864b6eb53af9687c2ee0bf6095d15015e6ca8b860be3f5f560d009479628bb6353e50d5742d73bb370f4630
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkxP:ZzFbxmLPWQMOtEvwDpjLeJAsKcAP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-23.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2944	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-06-08_94f71569778e5ed9436d398d747599f2_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 2868 wrote to memory of 2944	2868	2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe	28
PID 2868 wrote to memory of 2944	2868	2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe	28
PID 2868 wrote to memory of 2944	2868	2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe	28
PID 2868 wrote to memory of 2944	2868	2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-08_94f71569778e5ed9436d398d747599f2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
41KB

MD5
891a83f7cdec1bc4979358662faa2f9a

SHA1
47e368c566c16554ff604677bcad9738004a5f7d

SHA256
ffbd9316e4e36ee92c3bcaccf4b36246712bf7365d6d287b9469955c2171c502

SHA512
c71c5eed26f4f381cecaad2ac8a2a190fe8ef1cadc1fec1e03fcfa3ccbb9766c8837cb1b34e8ca8806e1d4ee20fa0938c0bbfb1e931f29e1f2b1ac8f6f0e097e

Download Submit
memory/2868-1-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2868-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2868-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2868-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2944-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2944-17-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2944-24-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download