dcbf65134f2cdae162c1e2c2245b187f33dffd9b7e0cc05ffa6630ab00d3b792

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 16:38

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General

Target

2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe
Size

77KB
MD5

88167bbab7fdfe7b82fea91d98eaf2eb
SHA1

cc65ccc9adcf431abb7fc36c6ca50325dff3f557
SHA256

dcbf65134f2cdae162c1e2c2245b187f33dffd9b7e0cc05ffa6630ab00d3b792
SHA512

ea5bef2289e2fbec350397e560e233f4492009be10d843fb64009ebaca40f2a610e082e6925db3685e892955610d267ef8873d0727e694519af2822e7644ddbc
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3Kujd6J:ZVxkGOtEvwDpjca2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2328	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_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 1728 wrote to memory of 2328	1728	2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe	28
PID 1728 wrote to memory of 2328	1728	2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe	28
PID 1728 wrote to memory of 2328	1728	2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe	28
PID 1728 wrote to memory of 2328	1728	2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_88167bbab7fdfe7b82fea91d98eaf2eb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2328

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
77KB

MD5
36eecb52c958db821018911690b88bb6

SHA1
f40519d03852cbdd8872ed862fac78d57c9e29bf

SHA256
5a9368cdd9a5bff50b373f4e6bd88898b60e75d96e1c0a0cb96e723992a1370d

SHA512
1560cd6a331d3f33764a5876b07135c755f7370842aaf71b1a93ba1f82543893e76c154d6cceb1da75555c50d141216746238f90f4b18458b8d1d2a0c14f0fa4

Download Submit
memory/1728-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1728-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1728-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1728-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2328-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2328-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download