e3bf7f906d6fcd77a18e21943b276db29764af9e1a188aec14e08644051f0851

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 07:27

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General

Target

2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe
Size

44KB
MD5

a101f84e79df2d55a41c217a68261c8a
SHA1

f5edb272096d6d1aac6ce00080db5509564b837e
SHA256

e3bf7f906d6fcd77a18e21943b276db29764af9e1a188aec14e08644051f0851
SHA512

60ff60f7bf3ad29eb3c50284b9d3c30d791587650c840983098f7d259f57cdf95baa1d0e06eed8da580b4868265ca7c8ec8c7fd69b9115b505993427fc4daeb1
SSDEEP

384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0:XS5nQJ24LR1bytOOtEvwDpjNbU

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2404	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-09-28_a101f84e79df2d55a41c217a68261c8a_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	2024-09-28_a101f84e79df2d55a41c217a68261c8a_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 2184 wrote to memory of 2404	2184	2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe	30
PID 2184 wrote to memory of 2404	2184	2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe	30
PID 2184 wrote to memory of 2404	2184	2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe	30
PID 2184 wrote to memory of 2404	2184	2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_a101f84e79df2d55a41c217a68261c8a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- 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:2404

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\misid.exe

Filesize
44KB

MD5
c5227e9b47d73028405f3915f13cd9d6

SHA1
97494f1886cbe404f624ac394839e56347237b9e

SHA256
e0f506b0a834477ead6334261708835e6d0af56deffb525fdb1e236608a28eee

SHA512
84a5b630b04de5e62f070db2895f6163f1e4088ecb6dd39e218b16ba9f20c96c966a85eb99d6b7fd8d5036bf41aceb73f828b5249f5a04d48a5d936cd7a02183

Download Submit
memory/2184-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2184-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2184-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2404-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2404-19-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2404-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2404-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download