d020005b946117a2f020fdfd9451b9358946ccf3b9c6f1a0773fc73fb4dd398a

Analysis

max time kernel
150s
max time network
170s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 05:44

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General

Target

2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe
Size

43KB
MD5

94d580260683ab09d1159ad78fa33906
SHA1

89b2ad54c54641f75bc9f3340d0bd364be957e87
SHA256

d020005b946117a2f020fdfd9451b9358946ccf3b9c6f1a0773fc73fb4dd398a
SHA512

cd8e0a2133936493d4c438a2d77eb1cfa198813bac844b1f39a73d64a4eb670a3af75b3c5f500452604880566e5ea0cb20c371b6dcdb3025670d1da739cd247a
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxBIGJL:bIDOw9a0Dwo3P1ojvUSD4PXIGF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1788	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	2024-02-29_94d580260683ab09d1159ad78fa33906_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 2056 wrote to memory of 1788	2056	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	28
PID 2056 wrote to memory of 1788	2056	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	28
PID 2056 wrote to memory of 1788	2056	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	28
PID 2056 wrote to memory of 1788	2056	2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_94d580260683ab09d1159ad78fa33906_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1788

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\lossy.exe

Filesize
43KB

MD5
0e48e136861d4287f513b66e24e9facb

SHA1
209beed957a8723f9877abcca56662aeed0abbf9

SHA256
4564b3cccbd8bb8c6ce8ce070aad0addfc511bab82b20285ca598f6e8e7cd017

SHA512
a110864fc40b855c6d6da89a9f55c673a3b7ab205209ec548f59aa5733ddd29bbc4f626ad075cbba9e0460e30f4866eaa9c6670186051fed3cb66fb0792d9fec

Download Submit
memory/2056-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2056-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2056-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download