efacabff6244a2ad10484242d23392d7296f775781f98cb9da8fac7a06c56145

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 02:49

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General

Target

2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe
Size

73KB
MD5

f49aca44cfb7e006699b3b750d79d759
SHA1

fcde10656709d7b3b2daeadd5382967705597b75
SHA256

efacabff6244a2ad10484242d23392d7296f775781f98cb9da8fac7a06c56145
SHA512

e4c5913b2a1f4e8b22c24afa8359fdfeee0519c63ebd42ab1b39e73025ef4e380f5481873427c03c02033894597859405d6cbb2ac42d45872d57f8556da0250c
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO5MW:DW60sllyWOtEvwDpjwF85O

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2588	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-10-13_f49aca44cfb7e006699b3b750d79d759_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	2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2588	2360	2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe	30
PID 2360 wrote to memory of 2588	2360	2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe	30
PID 2360 wrote to memory of 2588	2360	2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe	30
PID 2360 wrote to memory of 2588	2360	2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_f49aca44cfb7e006699b3b750d79d759_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2588

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\asih.exe

Filesize
73KB

MD5
8ca0eb13c03fdbee9df3b14168c0818f

SHA1
935445f068aa86390f9f87c984615fe5deb8c92f

SHA256
0592cb8c43a4829fa23b5f1aae32ac28b8ced6eb891bae6aa2f07927e4a51f56

SHA512
2cc4f38f24d894fa0b56f8390f562258501bb43c1db816163bc9822c2d6a390a56931432c339753d9135a2c10a4f2cf418ebc9d567475b168136fbb5109e99ae

Download Submit
memory/2360-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2360-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2360-9-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2360-14-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2588-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2588-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2588-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2588-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download