a603e92a9b1a430748c2dd31c72d0827b607837f85af18273cfae2be6ecd8a72

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 17:12

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General

Target

2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe
Size

39KB
MD5

e6685b27255eb8cdff8074e80b16279d
SHA1

f7c9ebed077440ea69a4b19f2bb8332b6945e5fe
SHA256

a603e92a9b1a430748c2dd31c72d0827b607837f85af18273cfae2be6ecd8a72
SHA512

0042ca93b6e95a02014973528fe3421737f7bd07178600515d133e451ea4972ccb67381daad3a4433592c16d93b9bff1d2c553897931ae4310fadcc7675d70cf
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLLn:ZzFbxmLPWQMOtEvwDpjLeUr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013a3f-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2316	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	2024-02-21_e6685b27255eb8cdff8074e80b16279d_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 2308 wrote to memory of 2316	2308	2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe	28
PID 2308 wrote to memory of 2316	2308	2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe	28
PID 2308 wrote to memory of 2316	2308	2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe	28
PID 2308 wrote to memory of 2316	2308	2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_e6685b27255eb8cdff8074e80b16279d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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
39KB

MD5
5e559e78b110450e5f3fcc173b87fe15

SHA1
c0b8a1c877f2a137bafed8052e3b16992cbb7989

SHA256
3109bc3d777358900f1cd84f71abe8ff743c5ec856a2201ee1678fe74661039a

SHA512
bb160c4043f79b9252c0fe99c461e50b9d43f8fed7fa7d9c3a8623c23dc75fa3cf38b83556c8b2f6a223de7abbb559be9eb6e8526dbbde9fdf25a69560b72b3f

Download Submit
memory/2308-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2308-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2308-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2308-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2316-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download