e5c4711035eddb9b45b5807c77039f1a46a4104149a60d56f87a025dbbb3e314

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
23-05-2024 00:54

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General

Target

2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe
Size

41KB
MD5

d2929fd5ec045719da25e3b7c9acc67a
SHA1

4a22c4e81c3550b608653444eae3e82a170fb426
SHA256

e5c4711035eddb9b45b5807c77039f1a46a4104149a60d56f87a025dbbb3e314
SHA512

24ea2f500683c58be5753469aaf4e0d109812a0fb04e409dbabd440ed7e97a4d47078de6dd21ed70434994dc065b265b287923f04129eeda10bbe65030427fa0
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HKcfr9OrR:X6QFElP6n+gJQMOtEvwDpjBsYK6r0rR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2884 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe

pid process

1200 2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2884	asih.exe

pid	process
1200	2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe

description	pid	process	target process
PID 1200 wrote to memory of 2884	1200	2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_d2929fd5ec045719da25e3b7c9acc67a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2884

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
41KB

MD5
8f13fd7391eef92840f54e9062c69e87

SHA1
2c0b200e76ab2bf00669d26609d90281fe430937

SHA256
778670654afcc51581d98da0838d5048b625dc7cd299e0d6963d640f6b26fc80

SHA512
e44d8c2729d4e76ef5fdcb19e1200c1f3439dcf04f1b81642472e6e3b4042c16920d0a8c8620406d9c076774b9fd73e6011704e522c77f6ada9a19de097ac399

Download Submit
memory/1200-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1200-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2884-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download