8346c148c203d4067e8695db07c016db287ebcfb4a4bfc0bba3480908d40335f

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:22

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General

Target

2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe
Size

43KB
MD5

238f3ca19e50da28941c4a15be19b508
SHA1

49d6f1f9f431c8bc3f7005f5d2ab872529842bf6
SHA256

8346c148c203d4067e8695db07c016db287ebcfb4a4bfc0bba3480908d40335f
SHA512

5a8c85b20e46db700e5b50f34066141fb86c6367e864c2f9c2e0712338f3c00b589251a3cd82a38177c54b8b832fb5fe019b52924f1ecab4e59eed2e630ef5d5
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrN5:bCDOw9aMDooc+vAqjZ5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1580	2024-10-31_238f3ca19e50da28941c4a15be19b508_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	2024-10-31_238f3ca19e50da28941c4a15be19b508_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 1580 wrote to memory of 2720	1580	2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe	30
PID 1580 wrote to memory of 2720	1580	2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe	30
PID 1580 wrote to memory of 2720	1580	2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe	30
PID 1580 wrote to memory of 2720	1580	2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_238f3ca19e50da28941c4a15be19b508_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580
- 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:2720

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
43KB

MD5
d6e3e37c47c07d60a8e6d461e1ab6319

SHA1
45ce5699add4ed3337ea25e96500dc91c463593c

SHA256
6580a2ae4d26d90f7111006441e6737f011cb505627e72b81377088930a58c78

SHA512
501d3c2797c08eeb5f3783d31bf130f67792785e3fb2754b7ef4509edc876c33e4460b7ee29b800979b7904c1a10e09b19524c3edd7d3e8952b20644ec649f84

Download Submit
memory/1580-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1580-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1580-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1580-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1580-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2720-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2720-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download