c54b2d9c49f39713dc35f7598e82718b1646609fb75a6e7990ee114113872150

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe
Size

43KB
MD5

d0d32b24f16fa3251910022f3eb7d057
SHA1

69e9f589ffd22db320da8157e4384cea7a8d7c17
SHA256

c54b2d9c49f39713dc35f7598e82718b1646609fb75a6e7990ee114113872150
SHA512

c8af55e91eee9ee26ecffb21bb8ba6c46407bfed2e4ff5a66f97c31ba7024d28b7df0d945ffed5f4f307c0a7744436f6699b0a2a430944a237f4a61c55b2643a
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrQ:bCDOw9aMDooc+vAqjM

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
924	lossy.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	2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 924	3944	2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe	84
PID 3944 wrote to memory of 924	3944	2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe	84
PID 3944 wrote to memory of 924	3944	2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_d0d32b24f16fa3251910022f3eb7d057_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944
- 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:924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
43KB

MD5
3bc026b9aef6b512d838c88a975638f7

SHA1
171b1401bbc0585fa5c8d9e8d75cf74e119291ea

SHA256
672d7c5083251460f5c80f8d627cecf73593c6f49d66ae827c46fe3f7570c1ef

SHA512
b9d80f4afac2b4e835114794763ef119404268211c0c6a2f7aa9abcbbf2f449960f832d2910a332eea9f51d755a26631efd3a1b8bb7335002977fb0f3ac9ecf0

Download Submit
memory/924-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/924-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/924-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3944-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3944-1-0x00000000022F0000-0x00000000022F6000-memory.dmp

Filesize
24KB

Download
memory/3944-2-0x00000000022F0000-0x00000000022F6000-memory.dmp

Filesize
24KB

Download
memory/3944-3-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/3944-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download