ddcf6af7a1511130abdc7b6bb67319941e8f9c8a481cd6138360eeaa270495c6

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 06:28

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General

Target

2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe
Size

55KB
MD5

66e81728517d4952806f46b7466f5e8e
SHA1

54a0926dc667f058c8c2a01c4be13f6463066b68
SHA256

ddcf6af7a1511130abdc7b6bb67319941e8f9c8a481cd6138360eeaa270495c6
SHA512

a192b0ce469a65fd6222a5beac985fdf7e8cffd695d7d2be53002e36a46be78b09b566d09d96dbd8043eba263d4860c426ba37ba0e756631b1ce071f1766f08a
SSDEEP

768:b7o/2n1TCraU6GD1a4Xcn62tH/1/Lp17zJIfeVEuUr6d:bc/y2lm6iH/NLp17zrV9L

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2688	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_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	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe
2688	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2688	2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe	30
PID 2748 wrote to memory of 2688	2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe	30
PID 2748 wrote to memory of 2688	2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe	30
PID 2748 wrote to memory of 2688	2748	2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_66e81728517d4952806f46b7466f5e8e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2688

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

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Downloads

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

Filesize
55KB

MD5
0304d9aa6e6cebd00bd0dd27dd158f49

SHA1
b73cc6cfcd1edd65b6ac79fce875becccc7822f0

SHA256
496fee1110f21f899cddcfef6e71b1155d2b54b12291337efbcaec4aff9766bd

SHA512
d84abfc037f2b1e46d8087708b0f2574d85478e854383cece7d16a364d289f759f3162be527d6ae8e5692a339ca8c6d9a80e5f0b72160597ff7fb7c290d30b5e

Download Submit
memory/2688-23-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2748-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2748-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2748-8-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download