ca45f975230d9768253ebc3ee5701ac00a1d05c89d50221c28ef7257fe9abbee

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 05:48

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General

Target

2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe
Size

48KB
MD5

376e6714e51aecdc1ddf82485940f2ce
SHA1

a4f35380598c44082c694986cf96aeaddf33cc0b
SHA256

ca45f975230d9768253ebc3ee5701ac00a1d05c89d50221c28ef7257fe9abbee
SHA512

73bc23d2277a702ecf308e5924b2af86752520356b6d956c5e337d43a10862b06f0af81a7d227962fe4b1644fb05c97bf8e7cd718bf68a59a3330df597d1592a
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFVgQT:bIDOw9a0Dwo3P1ojvUSD4PRtFVgS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2164	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
756	2024-01-10_376e6714e51aecdc1ddf82485940f2ce_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 756 wrote to memory of 2164	756	2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe	16
PID 756 wrote to memory of 2164	756	2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe	16
PID 756 wrote to memory of 2164	756	2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe	16
PID 756 wrote to memory of 2164	756	2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-10_376e6714e51aecdc1ddf82485940f2ce_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2164

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

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

Filesize
49KB

MD5
55f96db3b351b7115920436c6fdfd18f

SHA1
28e3238165714042d4247aaf8f95e2b569544d83

SHA256
3413c69b65319f17bd7853a094980feb705ec5cc6e7ab1740674ecbfd6f4717e

SHA512
c2742feb16f3475ea7cc62b52b1f9a7ff4d3ed0cade47930614c1f254c9d21cd855d13da61a143f41d2053f4732e4a8786431ff92e379bd92b1500371b2520c2

Download Submit
memory/756-7-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/756-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/756-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2164-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2164-15-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download