1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 19:29

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General

Target

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe
Size

49KB
MD5

68ee11b64a3f832e83f04d644cd77b81
SHA1

456139bd374d48e6c34bbfb36bd95aba71798fc0
SHA256

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421
SHA512

4940722b9755e4cd1ac49b6f6fa0647b8867af315298bd31dae41c2f88d4452fb052fb63196b55af39d7d5773a582fe52a1ed9b84eabf529eaa469eea02f13c0
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZRQZ:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

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

Detection of Cryptolocker Samples 1 IoCs

Processes:

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2040 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2040	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

description	pid	process	target process
PID 4604 wrote to memory of 2040	4604	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe
PID 4604 wrote to memory of 2040	4604	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe
PID 4604 wrote to memory of 2040	4604	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe
"C:\Users\Admin\AppData\Local\Temp\1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4604

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
49KB

MD5
5a08fc1e4a968c9fd66d9970891270ec

SHA1
9516eaf48003b0a69be7c45fb5b797a453b0bd98

SHA256
883790332a7c16298ac623d1b222507016d06bf4f0ec26b6b9cdd1ed5904e6c4

SHA512
9ed625ba9b9092e4da4ff6d57de3aa345f1551af4cb5aa7baaa542f3130bd40ad9ca39c50f2eb92c0eac34c6942e071219dea82d557db5382b17757a25c75be1

Download Submit
memory/2040-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4604-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4604-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4604-2-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download