579add7363306aa901720a55969c6512726fd9b08e2c45aaba17511bd4d1a52b

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 14:31

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General

Target

2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe
Size

37KB
MD5

15057fbaadc2cd1c6c10e3ab2701326e
SHA1

2a685002333b50f0e4ed2688fbee0598a5ba9204
SHA256

579add7363306aa901720a55969c6512726fd9b08e2c45aaba17511bd4d1a52b
SHA512

f281d15306c7e0b7d619ec501d73ddf6c4d7678e1f476a93aa4215499b094b218db7affff69a92d55a3a2ad8ccb7ffb38d9bd51ba801e0a95347e35aacb66337
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+44:fT+hsMQMOtEvwDpjoIH4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014909-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014909-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2560	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1548	2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_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 1548 wrote to memory of 2560	1548	2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-20_15057fbaadc2cd1c6c10e3ab2701326e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2560

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
37KB

MD5
b541f52d5d101c78bf5acb2b6ffc63be

SHA1
4b1318fe13cce75413cdf65aa4f676f5e64b7da2

SHA256
803b3bdb638baecb776b89477cff796050e3aea5f6b621776972f5e35dd8b02b

SHA512
4d172de1d7455cb3faf28721f333e60cf2a8b13a8c14b9b3e93187506b2cd18a1d8c5f9bedbc50f15c3632ead84e2c261315d96df85312b715473225bf805b07

Download Submit
memory/1548-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1548-8-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1548-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2560-15-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2560-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download