6ad1aea9528be43be2fa048441daab39aa703a99c3045f03c2010f4350f80b7a

Analysis

max time kernel
143s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 04:41

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General

Target

2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe
Size

126KB
MD5

1a34198f19f22fcd321f12cd2c58e442
SHA1

0fb28b43cf76d74dddf6b3fa3345bddcec4c6e2c
SHA256

6ad1aea9528be43be2fa048441daab39aa703a99c3045f03c2010f4350f80b7a
SHA512

5da6b65f42bff175c43aac35782721f449e67d7abbca8ae00e04206fc1a1fc1a03a491a98ec0f71a4ea4bce7a193ffcd35f9ae0926ef57669fc77862325f5ef6
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//id:vCjsIOtEvwDpj5H9YvQd2RM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014439-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014439-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1952	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	2024-02-14_1a34198f19f22fcd321f12cd2c58e442_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 2336 wrote to memory of 1952	2336	2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe	28
PID 2336 wrote to memory of 1952	2336	2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe	28
PID 2336 wrote to memory of 1952	2336	2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe	28
PID 2336 wrote to memory of 1952	2336	2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_1a34198f19f22fcd321f12cd2c58e442_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1952

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
126KB

MD5
0f24d6b26c4eadfd19845f53a8404a67

SHA1
55b9754968f61877896a06abcf52ddd2989771c3

SHA256
1ce2506fcabfbf139af4d253ffed32a870281ec56caba33d2a22305ba2abfa53

SHA512
0bf89bbd6c8286647bf7554cb6bf25ceedf09257f88ef74c33d6d45e39e340635bcc4ce40c9f91e4324584c702582db2656862f9ab983caf0210aeb079aea13c

Download Submit
memory/1952-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1952-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2336-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2336-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2336-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download