afc334399b3e3b44fb28b0f069c134ccf4149da03e4e187fe3036b40e1061d50

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 03:45

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General

Target

2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe
Size

53KB
MD5

67781002f7b29b76a50c9b8262ff79f5
SHA1

ee98e5b0231e73feb33998113b01ddf23e8e8a33
SHA256

afc334399b3e3b44fb28b0f069c134ccf4149da03e4e187fe3036b40e1061d50
SHA512

2f5db463ce9002396700ddcf2c31d40db89770a583ecdafc20d60e0ac176d3946cde7a2b2538b02e3c024085cc20aafc4166326f44c0bea0065fef2f1407b0e5
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTbmhTY:bIDOw9a0DwitDZzcTh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2308	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-02-29_67781002f7b29b76a50c9b8262ff79f5_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 2208 wrote to memory of 2308	2208	2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_67781002f7b29b76a50c9b8262ff79f5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2308

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
53KB

MD5
c65d5bbe45e9cf2d5a3b3c3c36b82dac

SHA1
1b49976d2bc9ba4860956394798a24395e7a1157

SHA256
5de0c1f271bb738e56111716815eb7656c0e3a9383499121d5aaabf9a416e8c1

SHA512
288921a02f982e437483d0e28faefe770964c52b5004259193091a8ddef9c48a7e618a6517c4a073b0eef0e9751d8878984a95b4cc7b2c3a80b3dd46b257512c

Download Submit
memory/2208-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2208-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2308-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2308-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download