e02599d2784565b19bc944c74501f6463f300aa9b817e2b0cbca4c4ecb4880c9

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 11:27

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General

Target

2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe
Size

125KB
MD5

28527731acfd3989862664df64478282
SHA1

39718922f33372425e6b3efaa64f8f86d1b23d0f
SHA256

e02599d2784565b19bc944c74501f6463f300aa9b817e2b0cbca4c4ecb4880c9
SHA512

305cfe86565fa89a5ca12f630cae76d5fc72da13d40e82b6d46ce3773a7609d39064e4e4f0ed9e69f6cce2b2add880748a23743767e4a9ad89c5bacd03a7edb4
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpH:vCA9OtEvwDpjL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001223e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001223e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2708	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-01-27_28527731acfd3989862664df64478282_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 2644 wrote to memory of 2708	2644	2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe	28
PID 2644 wrote to memory of 2708	2644	2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe	28
PID 2644 wrote to memory of 2708	2644	2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe	28
PID 2644 wrote to memory of 2708	2644	2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_28527731acfd3989862664df64478282_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2708

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
125KB

MD5
d3b1954b9ef257ca77fb5cf6f34d69bf

SHA1
9c0d787baa60a72b938dedd309fb7141161d82da

SHA256
2cf8abd4dee8294925a3fc258f800c0795aeae93dc4944a41b71cd5df8c529a0

SHA512
e7d92fc6ebf564e0b4fcff3eced97931609cbb022a4c09aaaa0fe771b0d4998b404b5c8d3d2ce78d7f84ffca8fd3d1e5c568b9045237776401010f3606e0cdb1

Download Submit
memory/2644-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2644-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2708-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download