7ed9e880a1b6b26d9efba4e147e1bfda710cf4ddba54763dd38e58a887116d27

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 20:30

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General

Target

2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe
Size

37KB
MD5

3ea8d5157d16a31fbf966c4995e761f0
SHA1

781a20f13f131b92c6841b7e7bce04c97add17e4
SHA256

7ed9e880a1b6b26d9efba4e147e1bfda710cf4ddba54763dd38e58a887116d27
SHA512

65906cb866bc61a96974d27e6673fb6c894aafea45809afe8eee8d19a7e3deaa16c2cf4e00ccdaaa1a8e530faa708cd074f6948d1baf43198e208dd011562ad4
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUf:ZzFbxmLPWQMOtEvwDpjLe6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122ac-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1316	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_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 2956 wrote to memory of 1316	2956	2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe	28
PID 2956 wrote to memory of 1316	2956	2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe	28
PID 2956 wrote to memory of 1316	2956	2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe	28
PID 2956 wrote to memory of 1316	2956	2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1316

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
37KB

MD5
10d183b414a372ed90dbf4fa2d466bf7

SHA1
bc2336db489f846496d8959c2c0a805bf9e686b7

SHA256
2a973767172be11c7e4b1e06b4921738e25f38f6640350b437ca1d5827988ba8

SHA512
ad3765312ff0638dd9806b96867f126d8cf7483cb1a895a106099b5e46b53ee116f3d5d3e2fb52aa9450ff41c5ed17fc76fcf2a6c5ff15d5aae7d425d27340e3

Download Submit
memory/1316-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1316-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1316-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2956-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2956-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2956-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2956-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download