2012e260e5bd2bdf1ec1482edf074255147c079a4ce9861d33be6d7d340b2b25

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31/05/2024, 09:26

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General

Target

2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe
Size

44KB
MD5

155002798c1caa274eaa31988a122c26
SHA1

b3a2182560d2fa4d6bac9a069340888e1ac8b576
SHA256

2012e260e5bd2bdf1ec1482edf074255147c079a4ce9861d33be6d7d340b2b25
SHA512

44517c8cd25f325973c79f045be00f4772dc388a532c9fbf2a7a68563c63d13776f16526cd7fafadbbb4725a9e5462e6eb203761dc14497199fe3c5059f9dba7
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcY:vj+jsMQMOtEvwDpj5HW5scY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000143d1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000143d1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2696	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1612	2024-05-31_155002798c1caa274eaa31988a122c26_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 1612 wrote to memory of 2696	1612	2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe	28
PID 1612 wrote to memory of 2696	1612	2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe	28
PID 1612 wrote to memory of 2696	1612	2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe	28
PID 1612 wrote to memory of 2696	1612	2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-31_155002798c1caa274eaa31988a122c26_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2696

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\misid.exe

Filesize
44KB

MD5
bc1092dffc589599d3f5ab528f81fed4

SHA1
20986b51a9ca7ff773d7562afd8d09c67326d9c8

SHA256
de3546d17aa22a79094e0cc79c8996cdf121097e77b1295279c56e017bc9a3b9

SHA512
7e0d11d330fbccc8a78b1faff705e39bb339bc12b75f6764e066c3085b831ed2636d53a5654ae0d04c2c32aefe961146c479894129ddb777913915e0dbb07f20

Download Submit
memory/1612-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1612-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1612-8-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2696-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2696-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download