5a028dda9aa6b03be35b6d4022ac1b6da328761d00a73d3cfc41fbeded8e4e48

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 07:09

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General

Target

2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe
Size

46KB
MD5

c3627c42d88edb97968d2266ff377bb2
SHA1

814292cbcb21667c1b9a1ee537e7b056779a5e92
SHA256

5a028dda9aa6b03be35b6d4022ac1b6da328761d00a73d3cfc41fbeded8e4e48
SHA512

bcc422202f62fb15677cf2f6d4ab4ef74d1bfe85080af3b70e29fc06e2514c6fdf046cdca1e08a30ba32ad42eb99d66adf94d883459476397deab35e30fba51f
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHumA:bCDOw9aMDooc+vAlXnA

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1560	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	2024-10-09_c3627c42d88edb97968d2266ff377bb2_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 2464 wrote to memory of 1560	2464	2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe	85
PID 2464 wrote to memory of 1560	2464	2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe	85
PID 2464 wrote to memory of 1560	2464	2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_c3627c42d88edb97968d2266ff377bb2_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- 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:1560

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

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Downloads

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

Filesize
46KB

MD5
76200bb503788ef6535bdd7d271b283e

SHA1
ffa8438f312458b6bba8075ceda776633e80dc1a

SHA256
0c4c264bae50e13390d5a16f4872a18d18a5f098ef371519624022d80da78170

SHA512
34b296d0aec835507539493d5bbcb6ef7e49e0b2a427a96bb9c9465b146acf82c570d0bd22562d4a20e89c9e7847832834c201a209e20738b10a7d0c24d05291

Download Submit
memory/1560-19-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1560-20-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/1560-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1560-27-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2464-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2464-1-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/2464-2-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/2464-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2464-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download