049343ef881233db270ace77d7935c324ffc1e40b65daff9af528d04a1eab33e

Analysis

max time kernel
1s
max time network
166s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:37

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General

Target

2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe
Size

50KB
MD5

0dfc7d0e0977739f2c83c45e27f84ce0
SHA1

769d7b41d5a57aee10c70f710910d6ca790c6098
SHA256

049343ef881233db270ace77d7935c324ffc1e40b65daff9af528d04a1eab33e
SHA512

aeeee423c6a379563180f78d259795cd9be29a8bdc0e574aed295fa6fcd10194526e3026489dea7778d9b5341171973b9157e283631e33b4ac0a07e153c63bef
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Q:bIDOw9a0DwitDZzj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2504	2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_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 2504 wrote to memory of 2676	2504	2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe	28
PID 2504 wrote to memory of 2676	2504	2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe	28
PID 2504 wrote to memory of 2676	2504	2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe	28
PID 2504 wrote to memory of 2676	2504	2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_0dfc7d0e0977739f2c83c45e27f84ce0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2676

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
43KB

MD5
832204b1949f33c3d3548516435d0e0d

SHA1
bcd197be09b5c4c6d63d74cef0ab32492b67112e

SHA256
2e21b57fcfca5345d214db8a389f5353ecf0ffc18aa452a1d639c5dbfcd68a3f

SHA512
de2d90fee32e0a611a2c3d0426c92e3693859c1bfa71cf08ff38e6ffa2c6f880e0b6f4e1bb3f33b23f5bb0a930118ef987a3f6b004c8827269204d260b33cefb

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

Filesize
50KB

MD5
107e51f62f48e65d26ddf368a9d25f55

SHA1
2bbf954f5f6e6f27de6c8265e256812486985004

SHA256
95977d9cd491cc6318869cb221e1c777c4564ef7ad7063fc46cba875bd444eae

SHA512
0912392981190a4798e39873e220780036c0fc147be5335ebcd7a48701ff9d886762a7c38406061d59a9e4d71f07a7bcf362c3575a03b89ce501bc833244993b

Download Submit
memory/2504-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2504-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2676-18-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2676-15-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download