cc111f4cbe2f5fc93d82dbd2cb246f6c7e12d32f18e7aa45c483fe5504af1984

Analysis

max time kernel
133s
max time network
143s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 23:37

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General

Target

2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe
Size

46KB
MD5

a673ad93c4d04fc4cc9433d3ff75d869
SHA1

9d89a2501ca25830f4c77ed5c32b9ca9a0ef524e
SHA256

cc111f4cbe2f5fc93d82dbd2cb246f6c7e12d32f18e7aa45c483fe5504af1984
SHA512

5b9ac2e9480b886491a3cd19f53b048cebc94899914b802fb957b8c5e44834df1bb763cdb45f4b934f056cdbfda32c11c40baba1512a00a6b501d8e3b730ecff
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsn:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1p

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2564	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2840	2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_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 2840 wrote to memory of 2564	2840	2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe	28
PID 2840 wrote to memory of 2564	2840	2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe	28
PID 2840 wrote to memory of 2564	2840	2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe	28
PID 2840 wrote to memory of 2564	2840	2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_a673ad93c4d04fc4cc9433d3ff75d869_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2564

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\misid.exe

Filesize
46KB

MD5
754e159b10d4ca801a5992d02f5eaf6e

SHA1
0ddb9fe28cf36eb2f05376bcae3096bfc3967e4d

SHA256
87ba6285bf1747fecabbb8f5b548d844cc2166ec279613f61d694d22e51b3d04

SHA512
b0087c1d7c23867093c4e52609a21c87f7123bd6eaf3e856a91cc433cc0875bac4d66c6d4de7745e4094dab81b31e066566d3c317310ce6b562620f853e9c81d

Download Submit
memory/2564-14-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2564-17-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2564-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2840-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2840-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2840-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download