e18100cf22a3232eab28c934d09f9029e341aa15123ea7aae2015d2e920cf0f3

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27/04/2024, 21:22

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General

Target

2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe
Size

95KB
MD5

1a45cdb7bf2dc529e6591fb59271c241
SHA1

49dd3a25edb0a9b0716c46f5012218d5d8c8e98e
SHA256

e18100cf22a3232eab28c934d09f9029e341aa15123ea7aae2015d2e920cf0f3
SHA512

e08ef72954b1b6e24adc3fd0a27e7b0c5a01ee7914665d0136cea851f2541c689aab0837830e1f5379827ad343f51df499029bb617ec614f4985c6eb83f88ef5
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpZ:V6a+pOtEvwDpjtze

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001480e-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001480e-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2132	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_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 1728 wrote to memory of 2132	1728	2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_1a45cdb7bf2dc529e6591fb59271c241_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

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
95KB

MD5
536e0142d3d8957c495c6c03f48942f4

SHA1
a768ebd56b8fc9be3abedd106ba7c0d7d4c6e064

SHA256
fba4042f0b49bb16f24a79ffd75fa3761b1d1ee1e263c5f23683a51f9c96b316

SHA512
a6b1411990a50859785c7786d8f5c73482df3cab47dc050f6b0b45681d635b288bab26e5a4ec2aec93b082ed42752617c80a5a08c4feb0cc4eb04fada31b2643

Download Submit
memory/1728-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1728-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2132-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2132-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download