e949023c6529249970030134a0ba147e403c57246bedff048bfb532dc72559c3

Analysis

max time kernel
153s
max time network
159s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-02-2024 20:38

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General

Target

2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe
Size

38KB
MD5

66b9e574fec7cd90d79b86c67417574e
SHA1

2019ba1ecf9482650469cced00571286e67fbf61
SHA256

e949023c6529249970030134a0ba147e403c57246bedff048bfb532dc72559c3
SHA512

437e0f81172af88e0e36b02eb7b1dc3d12d66437d27609372099e3ee1faed78e751701fcc98d38a02efe741aa30eb220b01b8b77a957d5c008ab854245cd9086
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3JnoehFOz:V6QFElP6n+gMQMOtEvwDpjeJQy1hoz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012731-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012731-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2232	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1744	2024-02-01_66b9e574fec7cd90d79b86c67417574e_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 1744 wrote to memory of 2232	1744	2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe	28
PID 1744 wrote to memory of 2232	1744	2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe	28
PID 1744 wrote to memory of 2232	1744	2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe	28
PID 1744 wrote to memory of 2232	1744	2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_66b9e574fec7cd90d79b86c67417574e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2232

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\asih.exe

Filesize
38KB

MD5
0e5e1201e5c0ad69e04b3b9c0c1e2210

SHA1
379a7f8490dc3a4cf6329fe47e57acbfaac7b875

SHA256
3094cf097f33999c8dc44c5e7c92ff4082ad7129a02a671d38a5135487ff5743

SHA512
4124bde8ef40210846f7cef472035ecc459d85c1baad32cf155f6136d5b176623e4bd310393982cd65a84f7d90fa64f88d68b942803553560ac9148d16b39d60

Download Submit
memory/1744-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1744-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1744-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2232-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2232-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download