1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
\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

2356 asih.exe
Loads dropped DLL 1 IoCs

Processes:

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

pid process

2912 1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2356	asih.exe

pid	process
2912	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe

description	pid	process	target process
PID 2912 wrote to memory of 2356	2912	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe
PID 2912 wrote to memory of 2356	2912	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe
PID 2912 wrote to memory of 2356	2912	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe
PID 2912 wrote to memory of 2356	2912	1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe
"C:\Users\Admin\AppData\Local\Temp\1ebee3af5bc15fd78fbd6a00b62993f5db5d2cc1482a2dd3a145860933f1f421.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2356

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
49KB

MD5
5a08fc1e4a968c9fd66d9970891270ec

SHA1
9516eaf48003b0a69be7c45fb5b797a453b0bd98

SHA256
883790332a7c16298ac623d1b222507016d06bf4f0ec26b6b9cdd1ed5904e6c4

SHA512
9ed625ba9b9092e4da4ff6d57de3aa345f1551af4cb5aa7baaa542f3130bd40ad9ca39c50f2eb92c0eac34c6942e071219dea82d557db5382b17757a25c75be1

Download Submit
memory/2356-16-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2356-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2912-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download