1f9821e569c6d0159968387db1a002dff679f0dece9228355bd60e60bc59c098

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
19/02/2024, 03:47

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General

Target

2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe
Size

43KB
MD5

93705e3dcb44f619e56f97e3da293f99
SHA1

8b99ccd4501dd3fe4742072e3a54c8c189b6d9b1
SHA256

1f9821e569c6d0159968387db1a002dff679f0dece9228355bd60e60bc59c098
SHA512

63da327b81477ece9f4134c69adf5c904304540aa9fdf56c3ccb6723ebf675684f9075deab9cb6bb81f100a80fec58f19e22802131afd4400c97af4609517bd8
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkpbVy:vj+jsMQMOtEvwDpj5HW5IiZy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f3-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f3-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2356	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2332	2024-02-19_93705e3dcb44f619e56f97e3da293f99_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 2332 wrote to memory of 2356	2332	2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe	28
PID 2332 wrote to memory of 2356	2332	2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe	28
PID 2332 wrote to memory of 2356	2332	2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe	28
PID 2332 wrote to memory of 2356	2332	2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_93705e3dcb44f619e56f97e3da293f99_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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
43KB

MD5
b45af18751c2dda46b7b98e92c9ca888

SHA1
a240f8b332e3aaf28a3c5d3c47e6063be66e5aa5

SHA256
23abe1f855f8dab1752e373ffa944cd264186392c5605c6f6c8157ab20711cf5

SHA512
88325662473c70484f81b04f65ed21c6da2c30f70a5e5dc1aa1b0bddd513fff198c6a04938d411674fe647285bd6d0ab47aece25a9bdbb06b4fe1dd5cd2dd122

Download Submit
memory/2332-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2332-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2332-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2356-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2356-18-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download