cdabc84f446ffa31595537c61a9ea2848d864f44a00cc410f6d9920bcdc91d5b

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 03:29

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General

Target

2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe
Size

81KB
MD5

591a3c464577563901a82e9e36d4c975
SHA1

4aab4428d7c5bb58d80583f548e4cfb900421d25
SHA256

cdabc84f446ffa31595537c61a9ea2848d864f44a00cc410f6d9920bcdc91d5b
SHA512

427e70564cebd1cd71c14e3c4fcb4abf9faa3ae6a5dc5114565e1e1823604e879ef8f740bba23d006a7e866fc0df4d86330675707a7342ddb0add16d4f0a722b
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFh6:V6QFElP6n+gMQMOtEvwDpjyaLccVNlV6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2028	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2052	2024-01-28_591a3c464577563901a82e9e36d4c975_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 2052 wrote to memory of 2028	2052	2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe	28
PID 2052 wrote to memory of 2028	2052	2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe	28
PID 2052 wrote to memory of 2028	2052	2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe	28
PID 2052 wrote to memory of 2028	2052	2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_591a3c464577563901a82e9e36d4c975_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2028

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
81KB

MD5
3a263c2653af78579c53a9ad887a7130

SHA1
5fe837af89135d9a7ca469d67a32647f56f362cf

SHA256
3c77de2aa2ca7ef2575c5ac476ae70c2a88b34728ffef9d3b4ba67a5d705d06c

SHA512
40cfce383fa6ddd28f077b1c155f3e7f0a8da69df75f7a88dee6825e248a0336c7cd3eb0f2e8e3cc4aec6a4cb83db2ff7e8c010fdb2d95ff42ef644e1dcba4be

Download Submit
memory/2028-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2028-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2052-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2052-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2052-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download