578fa50d9047d49373a3c0041a8e2e32ebc864359dd1407abcb34b5f7fea5c7f

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 02:50

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General

Target

2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe
Size

25KB
MD5

a3f2a109d9059ce0a1999cbf2433fa6d
SHA1

258a94602ce9a53ecc2a155f6cf7b66119465614
SHA256

578fa50d9047d49373a3c0041a8e2e32ebc864359dd1407abcb34b5f7fea5c7f
SHA512

5f5862ee157b2b1f73c5b07f29c67af8ee345ca02da41211eaf302cc23b524e6d362fe540636fa937c2a7bcfb02a48408db33f30593129162585a5b8944f191c
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/P4QtOOtEvwDpjV:ZzFbxmLP4QMOtEvwDpjV

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2400	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_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_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2400	2100	2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe	31
PID 2100 wrote to memory of 2400	2100	2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe	31
PID 2100 wrote to memory of 2400	2100	2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe	31
PID 2100 wrote to memory of 2400	2100	2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_a3f2a109d9059ce0a1999cbf2433fa6d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2400

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

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

Filesize
25KB

MD5
56e770fe9aba3daefa34a059090f5463

SHA1
cfeaf299b0f8b8ac04743caf256850c7be35697b

SHA256
2fe59ca2a1229d9acbba4b3bc1755413034eb6976f2047cc7884e9e94fecf1a1

SHA512
0e3ca48177dd5558cf81d22062f9b965718c9b37a92e90a2c4fa2d9217d67d521509670429e807a5b529e26aa3ecff6901edcaf6274d22c2f831cd50aae1a7a9

Download Submit
memory/2100-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2100-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2100-9-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2100-8-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2400-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2400-24-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2400-17-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2400-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download