Malware Analysis Report

2024-11-15 04:58

Sample ID 240624-sdnaesyala
Target a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c
SHA256 a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c

Threat Level: Known bad

The file a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-24 15:00

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 15:00

Reported

2024-06-24 15:03

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

Signatures

Detect Socks5Systemz Payload

Description Indicator Process Target
N/A N/A N/A N/A

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 91.211.247.248 N/A N/A
Destination IP 152.89.198.214 N/A N/A
Destination IP 152.89.198.214 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 216 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 216 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 216 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 3448 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3448 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3448 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3448 wrote to memory of 1656 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3448 wrote to memory of 1656 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3448 wrote to memory of 1656 N/A C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe

"C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp

"C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp" /SL5="$B01CE,4739232,54272,C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 aqoiqem.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 aqoiqem.ru udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
LT 91.211.247.248:53 aqoiqem.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/216-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/216-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-14MP8.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp

MD5 499a06921c1db50fe13b1dbde7c00355
SHA1 cf067418e38372f0fb5ed4da8e47f24c431b02ab
SHA256 7550154f594aa12076637c99b34fde395e2f7d73095df506dc7c07e4d702ed39
SHA512 541bd2e672d1f7d3e07c9a9c0abc58dd10f0e6b6d610373e7f1eb5befe392de8b30e1557c6d8712826fece4e58820c4887c088965815c2b82edb33eafb841a7e

memory/3448-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-T1R89.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 42c86d89b43a0faa7df281a7fe681c8e
SHA1 c362f557a653cdaee78428110f64bdec50e1dd39
SHA256 8a5f3d60b0918ee96011451c717b6c39afaa60ce7ad030ef84d02bf6978df587
SHA512 86fbbd448aacdddecda3f098307b3127f4fc606eb17b6c294555ec6e2f6f90af17be18a4190fbff0cb38e9cedbdb54d1a1346f1e36837c8bc0e7fd9d9213c981

memory/916-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/916-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/916-60-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/916-65-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/216-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3448-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1656-70-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-73-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-76-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-79-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-82-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-85-0x0000000000940000-0x00000000009E2000-memory.dmp

memory/1656-87-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-92-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-95-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-98-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-101-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-104-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-107-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-110-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/1656-113-0x0000000000400000-0x00000000006C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 15:00

Reported

2024-06-24 15:03

Platform

win11-20240611-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

Signatures

Detect Socks5Systemz Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 2060 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 2060 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp
PID 3028 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3028 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3028 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3028 wrote to memory of 808 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3028 wrote to memory of 808 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 3028 wrote to memory of 808 N/A C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe

"C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp

"C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp" /SL5="$40220,4739232,54272,C:\Users\Admin\AppData\Local\Temp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 ayuavzb.ru udp
TR 94.156.8.80:80 ayuavzb.ru tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp

Files

memory/2060-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2060-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-U9QFQ.tmp\a6d6f72574a70adeef600b054f66e0d7cb1a6a7ecc66e89d96f4e870680cbf1c.tmp

MD5 499a06921c1db50fe13b1dbde7c00355
SHA1 cf067418e38372f0fb5ed4da8e47f24c431b02ab
SHA256 7550154f594aa12076637c99b34fde395e2f7d73095df506dc7c07e4d702ed39
SHA512 541bd2e672d1f7d3e07c9a9c0abc58dd10f0e6b6d610373e7f1eb5befe392de8b30e1557c6d8712826fece4e58820c4887c088965815c2b82edb33eafb841a7e

memory/3028-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-RQEN7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 42c86d89b43a0faa7df281a7fe681c8e
SHA1 c362f557a653cdaee78428110f64bdec50e1dd39
SHA256 8a5f3d60b0918ee96011451c717b6c39afaa60ce7ad030ef84d02bf6978df587
SHA512 86fbbd448aacdddecda3f098307b3127f4fc606eb17b6c294555ec6e2f6f90af17be18a4190fbff0cb38e9cedbdb54d1a1346f1e36837c8bc0e7fd9d9213c981

memory/2556-59-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2556-64-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2556-63-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2556-61-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-67-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/2060-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3028-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/808-70-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-74-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-73-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-77-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-80-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-83-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-86-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/808-89-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-94-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-97-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-100-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-103-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-106-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-109-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-111-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/808-110-0x0000000000A30000-0x0000000000AD2000-memory.dmp

memory/808-115-0x0000000000400000-0x00000000006C8000-memory.dmp

memory/808-118-0x0000000000400000-0x00000000006C8000-memory.dmp