2a4f0c716ffae196dd0fca95ee9f554ac8b51199ead033cee29edd0570a5b4da

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 06:41

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General

Target

2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe
Size

53KB
MD5

da095cfae6085268cb381e9fbbdc2a13
SHA1

af99c8bfac32cab482a533b11bc40092f7735aa1
SHA256

2a4f0c716ffae196dd0fca95ee9f554ac8b51199ead033cee29edd0570a5b4da
SHA512

2bf3dec4ee9413fd63db8479ba7a96abc75905b9aa7ef8e0f60a4322db0c37fada94141c191cac8714ba225b5b20f2af82aca4e705df5014ea9fe38a5f05cfc7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2LJ0X:X6QFElP6n+gJBMOtEvwDpjBtE1yILJ0X

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223f-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223f-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2648	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	2024-01-25_da095cfae6085268cb381e9fbbdc2a13_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 1740 wrote to memory of 2648	1740	2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe	15
PID 1740 wrote to memory of 2648	1740	2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe	15
PID 1740 wrote to memory of 2648	1740	2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe	15
PID 1740 wrote to memory of 2648	1740	2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe	15

C:\Users\Admin\AppData\Local\Temp\2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2648

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\asih.exe

Filesize
53KB

MD5
d180840da041dd5cbdba966622789ad9

SHA1
1393b3a8758766cdab402802dce6674713c98125

SHA256
64658a218584c918a1ec89c2d52a250af50d0acb05ea779341d796f21463ad4a

SHA512
8dcb8a54e47fd22beaa2fbccf01fe292624c51e1b288e4d16b3dc60ff90896ff6d52ccd57f3cca66d53043c7384bba0e1340de6a4f89703ce6b5e491eadb2604

Download Submit
memory/1740-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1740-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1740-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2648-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2648-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download