9268b48a46002670bf6b18707599367dc38f79a88693d14d6403a7d11b337f84

Analysis

max time kernel
304s
max time network
380s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 03:07

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General

Target

file.exe
Size

7.3MB
MD5

e4efd84214889d40f8eccdf9d8584585
SHA1

ce21b9be73be7d4f0091cfdae53e5f0eb42a9b2f
SHA256

9268b48a46002670bf6b18707599367dc38f79a88693d14d6403a7d11b337f84
SHA512

a45d91d0e4a6b0240f52cf05ff059133fb3ecd111802a5be2fbb8a173320e4eff118a903cc0b25db14f0cb0d5adba0da466b67d5e0475382a2760848acbf565f
SSDEEP

98304:91OSghrTm4CgZoiK2Kltghg6kWkgN+RQKVE4esblIO5iw7B2GzpmUs8bnUvoCXcY:91OO4dKLicZxq4zR12tAnaoIrb/w0Fn

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3820	Install.exe
1284	Install.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Install.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Install.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	Install.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 3820	3892	file.exe	79
PID 3892 wrote to memory of 3820	3892	file.exe	79
PID 3892 wrote to memory of 3820	3892	file.exe	79
PID 3820 wrote to memory of 1284	3820	Install.exe	83
PID 3820 wrote to memory of 1284	3820	Install.exe	83
PID 3820 wrote to memory of 1284	3820	Install.exe	83

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Users\Admin\AppData\Local\Temp\7zSD99D.tmp\Install.exe
  .\Install.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3820
- - C:\Users\Admin\AppData\Local\Temp\7zSBB43.tmp\Install.exe
    .\Install.exe /S /site_id "525403"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Enumerates system info in registry
    PID:1284

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zSBB43.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSBB43.tmp\Install.exe

Filesize
6.8MB

MD5
d57fcb1f7217abdc3bc9594d72b069e2

SHA1
9bb541769d84def773ce4e51c31bd056ba6c213d

SHA256
ede74804494d3193db79cc6f078999f81a1654a17eb734c470318e3d19bce386

SHA512
77ae8eecb30db62fafe71dcbd6a3f6d6971a7d2abae9d34991d8f61aba5f25a0daf70cc908a4362953677a04a0268773c58cf58c3332dbd3abb96bbb795e660a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD99D.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD99D.tmp\Install.exe

Filesize
6.3MB

MD5
40e955dc9d482dd6cc936ee22987daab

SHA1
b006140e3367adf14a6451997c533b3e402626c1

SHA256
1876825fafd8bb8c37a783889b14ac641f2f51ce31cb682c84c0d19a850573ec

SHA512
7d56b0ce7c6ced797c32ae9706bdd32b0ea69a5f75f477a1f630d3ac93c6b5bb20b38e5532244a54466ec3456f8a0b6dd5de16f91f04f4bb3fc7860633ca1c11

Download Submit
memory/1284-138-0x0000000010000000-0x0000000010BF6000-memory.dmp

Filesize
12.0MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads