bd443f2ded16c6d5eaa28b7e8dd7a90fcc5e48151307a4da1208cfa95b7e7085

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 17:33

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General

Target

20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe
Size

41KB
MD5

840cf46c37bc8790f1ff860788c02b1d
SHA1

409bc621b7f9dfa740b2dfc90c679f1b70812376
SHA256

bd443f2ded16c6d5eaa28b7e8dd7a90fcc5e48151307a4da1208cfa95b7e7085
SHA512

644961e4606f8f47fd1ddd927bac6e0f23d58551c654600b88fe27bf5c6cda75f6848e4574529d3a2f6b5c257d27901d5ff48043b1d5b9c70383ae882e4698bd
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAHl:bCDOw9aMDooc+vAF

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.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 2004 wrote to memory of 2204	2004	20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe	28
PID 2004 wrote to memory of 2204	2004	20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe	28
PID 2004 wrote to memory of 2204	2004	20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe	28
PID 2004 wrote to memory of 2204	2004	20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240414840cf46c37bc8790f1ff860788c02b1dcryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2204

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
41KB

MD5
1dad629340de42f046d05a27a6fe2c77

SHA1
e6e1d269e097e257a013e77a064d6052a83b0062

SHA256
4e88c5bc2ea1b044843862207f11f594df376cd8577588ca292769702a62d25b

SHA512
63b37ec3d55501c839622ba40b2a0e976dbf06f802654bfc7562c4e592735363b5695e077e0811065c747dd05767c5ad5073312d2a6e854765d64e54747ab35e

Download Submit
memory/2004-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2004-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2004-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2004-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2004-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2204-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2204-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2204-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download