1f74c3cc58084521b9b5ab1187c1e213771dff24627509625a3e494e38f7cd4f

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 05:54

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General

Target

2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe
Size

126KB
MD5

520f526b0168ef31d1056bde4b983e46
SHA1

dbfc1ee58550793c1bb9bf4ce8fa1bec6a31066f
SHA256

1f74c3cc58084521b9b5ab1187c1e213771dff24627509625a3e494e38f7cd4f
SHA512

090a10cb4a31698f393233f2c7f116a742f3b1c400d42453d98ab40637655ac5274410071dce7d004b92e6fa87a6a9605309b618ed38efd8ff4abf08564da650
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVo:vCA9OtEvwDpjK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2964	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	2024-03-10_520f526b0168ef31d1056bde4b983e46_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 2028 wrote to memory of 2964	2028	2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe	28
PID 2028 wrote to memory of 2964	2028	2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe	28
PID 2028 wrote to memory of 2964	2028	2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe	28
PID 2028 wrote to memory of 2964	2028	2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_520f526b0168ef31d1056bde4b983e46_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2964

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
127KB

MD5
6c9383fb5d8ee1e2b70e39f80baa0850

SHA1
1ce4f128a6185a262d2eb13ff12608435117a7f6

SHA256
13bb7809daddb3f79f1a79c139b8a4d7f3e75a3834efbeb977ceefb23a351182

SHA512
661a0450d57eb3650f89b30169152c103a1a6ee62ac1ff1c87c45a45bbad6e9474ba7d0e0d968cffff8372603b2f6242ad6ad75a76ec10c98e52be22916f22bc

Download Submit
memory/2028-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2028-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2028-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2964-22-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download