ea334f3e108605e0be92e17feef494f426303985d01662a83efb078a95db8be1

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 03:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe
Size

54KB
MD5

1be9266398997a324ce94b856afe782d
SHA1

494d3286aca9c72f1d99bf4736ee3a07fc26039c
SHA256

ea334f3e108605e0be92e17feef494f426303985d01662a83efb078a95db8be1
SHA512

a420c60137486ce2203ff41aed575abcb5e52517b63b1a8c78a27fda39a5c6a432da646c2201c37ec19c3ea33ab65c772eea4a6088186da4a1fed231f3598845
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uXvMjCza:bIDOw9a0DwitDZzc167j8a

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001224e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1412	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2332	2024-04-09_1be9266398997a324ce94b856afe782d_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 1412	2332	2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe	28
PID 2332 wrote to memory of 1412	2332	2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe	28
PID 2332 wrote to memory of 1412	2332	2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe	28
PID 2332 wrote to memory of 1412	2332	2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_1be9266398997a324ce94b856afe782d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1412

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
54KB

MD5
401ebdd3c716f2657adfd366a72c242e

SHA1
36655d3aa209e2d1d999305674d7ca47cff1c844

SHA256
3cc6b37bf4088ccbab57e4edd449e915cf147686fa748bb7f0ef885e13db4d38

SHA512
ef138548c5e323e1c0e1cd537da69c2aa2b9fc017fa727e83f3f3a864d96c9e3261b994a117db814b913540281ac9dda593fa6d71f47a757e376f255ac7ec58b

Download Submit
memory/1412-15-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/2332-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2332-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download