4329d0f772809d9da6d18cb667b5bb6b1ef18e8fe3d7d63ab89a7928b024f8e3

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 02:03

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General

Target

2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe
Size

47KB
MD5

c1cca815c02797be88d05235ba9f2f90
SHA1

09961f5fd7c22a341bf67584cb97dd9778dfc302
SHA256

4329d0f772809d9da6d18cb667b5bb6b1ef18e8fe3d7d63ab89a7928b024f8e3
SHA512

9beb5e1961ce5fb73b7064914a53156a64d7e806cebb3b532e3ea168d03ff7fae21bada2696f5bedac4b0a77da4a47ea18a5554b9e0314e72fb90b2611d0d0fa
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckdXb:V6QFElP6n+gMQMOtEvwDpjeJQ7pojak5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2844	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2844	2180	2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe	28
PID 2180 wrote to memory of 2844	2180	2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe	28
PID 2180 wrote to memory of 2844	2180	2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe	28
PID 2180 wrote to memory of 2844	2180	2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_c1cca815c02797be88d05235ba9f2f90_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
47KB

MD5
6e0e35db44557852c360474234e5e030

SHA1
dff4f3b2e697d9d6b1d6f571d11636c577fc04cc

SHA256
31a4f9cf6a00fdfddb231c267947f7140a3521407ec264c64172e0dc8e629dfd

SHA512
4c91b94bcc7bea5158ee9a5fcc44c003c1e587b0da0aeab8377366489ee39259429f66e71c42952a12b75002e749fc5e46916704524508090d31647e60f7c1ba

Download Submit
memory/2180-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2180-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2844-15-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/2844-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download