219637fa67386ee7b0152d87570eff014e57f88437a18d542ab030838f3b71bd

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 04:10

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General

Target

2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe
Size

59KB
MD5

2ae80faa9abe8277c8917376e5bbcc5c
SHA1

c87deaa71965025a602a48d063774650f11b0206
SHA256

219637fa67386ee7b0152d87570eff014e57f88437a18d542ab030838f3b71bd
SHA512

6df0038f8558e28e3e849369c127ac2141768ca14e3a48318d9df13de650134419f48acabb9b8281626d061ea7592cb125ad8a02b5b8bf210423fa66825e0c65
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cMFqeoYPO+Fwn:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+I

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122f2-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2356	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_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 1972 wrote to memory of 2356	1972	2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe	28
PID 1972 wrote to memory of 2356	1972	2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe	28
PID 1972 wrote to memory of 2356	1972	2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe	28
PID 1972 wrote to memory of 2356	1972	2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_2ae80faa9abe8277c8917376e5bbcc5c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1972
- 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
59KB

MD5
63bb039325a7634d890fe539827018ae

SHA1
4437bd48febee51c40e339d3b1b7525b311177dc

SHA256
e0fd804bb4052bb5b0c5235fdf64f71665374de852370455f048b21fe164c157

SHA512
473f87371f899ec499518801cf0fd4dba1489b2098b41f00b2dc7930b6047ac8da9e8657078beb6be049d60078e1feb0db4b4a8e5b1ae701c68999c5d1c181c0

Download Submit
memory/1972-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1972-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1972-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1972-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2356-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2356-17-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2356-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download