843b4b5534015ab1154a1ba84431f60c065db61aa800d0ba67524f745cdf2681

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 05:29

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General

Target

2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe
Size

45KB
MD5

fcb268ae9020f771175891766830a4c6
SHA1

567788592d7eedf49e9f2a2c7b0a579473160786
SHA256

843b4b5534015ab1154a1ba84431f60c065db61aa800d0ba67524f745cdf2681
SHA512

26a8fabab52b3d3d28d26a7c89a0801a427ebffcf22b76cc4c8bb687fb5c182ff11050984347d248f5c8d6ddbc19c450f49461374f7928f589525fd8b2dd7c3d
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrh:bCDOw9aMDooc+vAqj9

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1968	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1968	1728	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe	31
PID 1728 wrote to memory of 1968	1728	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe	31
PID 1728 wrote to memory of 1968	1728	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe	31
PID 1728 wrote to memory of 1968	1728	2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_fcb268ae9020f771175891766830a4c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
45KB

MD5
dbcda13d263bed364e7cfe3cfb09e16a

SHA1
49fa3bb9a2e9ea94d0ce9aadf932b34b6dc52d4e

SHA256
3ac1ac27d3a82d6ba230324406bfa23b0d69ddf8562a2a7a2b87d52ea5975032

SHA512
9dce084dbf21fe4f5c4cb963c83cf86f65fcb2daeace68090a5e6155ae337e2e25000d9b6ba53d803c15f41c9bf73b49ace4437bbff15d23e66db78d3656f9f1

Download Submit
memory/1728-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1728-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1728-9-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1728-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1968-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1968-18-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1968-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1968-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download