70dd6c527c3f190477ea0b26dde4d2a1fba9c94e2074c8a79a016034eab165c3

Analysis

max time kernel
151s
max time network
160s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 00:21

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General

Target

2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe
Size

46KB
MD5

0211985466b883dc8876f89f7ab25865
SHA1

f75d7b71af112a7bd5dd167c2f2d116788efde92
SHA256

70dd6c527c3f190477ea0b26dde4d2a1fba9c94e2074c8a79a016034eab165c3
SHA512

0b08f26c2aa230741e0aa74512333fa8f7ba8dee34b3eb95e08309bfab2a049ca402ebd61a980f62f010e8806b60fe1063d47f1b6aa08aa6b82c9a0abc8499e4
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFpF0Lo:bIDOw9a0Dwo3P1ojvUSD4PRtFp4o

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012223-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2724	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	2024-01-23_0211985466b883dc8876f89f7ab25865_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 2268 wrote to memory of 2724	2268	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	28
PID 2268 wrote to memory of 2724	2268	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	28
PID 2268 wrote to memory of 2724	2268	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	28
PID 2268 wrote to memory of 2724	2268	2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_0211985466b883dc8876f89f7ab25865_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2724

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\lossy.exe

Filesize
46KB

MD5
5e291249506a2bcf0686d627dc27d56a

SHA1
f8df264e6f7459d00cef2a060c351cf49da725f5

SHA256
d3a6d6bc21bc980d58f5c42fe0c4efdbe776a1f94ff48cfe09917e3d16cac4fa

SHA512
07d6b2972aa72c0995859a31ab607bd0c594e820ff8872f97fe8803d95bc2368d4a339f7dd59604cea325c528be94150b320d369164ad614e9f5f85761487d69

Download Submit
memory/2268-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/2268-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2724-15-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/2724-22-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download