Malware Analysis Report

2024-11-15 04:58

Sample ID 240624-tgvdks1ang
Target 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860
SHA256 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860

Threat Level: Known bad

The file 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-24 16:02

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 16:02

Reported

2024-06-24 16:04

Platform

win11-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.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 45.155.250.90 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-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3324 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 3324 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 3324 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 1768 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1768 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1768 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1768 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1768 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 1768 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe

"C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe"

C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp

"C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp" /SL5="$700D8,4907698,54272,C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
SE 45.155.250.90:53 dijhwxu.info udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
RU 152.89.198.214:53 dijhwxu.info udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 dijhwxu.info udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/3324-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3324-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp

MD5 1ba800b04f640841e63e4852f38023bd
SHA1 908eaed8abe8ae2ae9b6bc5f424c80d9c4f07ade
SHA256 314abc3aae737dcb97089ee410fe3fa7a047840b9906de8d81ec597bd783bb9c
SHA512 f8bf9180b273f355ca202579a4ef0cdf7cd84011d54bda88d825389c00a031f67d6bfe6692911b9c1998404c8f069c391fd2a245970f18e93afc7bb692c14dd7

memory/1768-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-N0H2P.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 b1c5d7ef1d81920ae51fde871886bfe4
SHA1 448bd294c8873f91dca5ff292c2f79ce6c8e159c
SHA256 a2c5948c3e9bfe84a56054d839b68b3d081c5df5cdadd1e480613bc5968f27b4
SHA512 0cfda10f590291192750d2996fabf68132f5184a6527d8d027cb8d75c24db089c9b03c54033539cfa4c4c9c8387d6f1c1ab7154258ed7e0e27c309163ff9120b

memory/2860-59-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2860-60-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2860-63-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2860-65-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-67-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-69-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3324-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1768-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1764-72-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-75-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-76-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-79-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-82-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-85-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-88-0x0000000000A60000-0x0000000000B02000-memory.dmp

memory/1764-91-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-96-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-99-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-102-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-105-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-108-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-111-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-114-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/1764-117-0x0000000000400000-0x00000000006F1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 16:02

Reported

2024-06-24 16:04

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.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 152.89.198.214 N/A N/A
Destination IP 91.211.247.248 N/A N/A
Destination IP 45.155.250.90 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-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3100 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 3100 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 3100 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
PID 2484 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2484 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2484 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2484 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2484 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2484 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe

"C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe"

C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp

"C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp" /SL5="$90090,4907698,54272,C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
SE 45.155.250.90:53 ayjdieb.ru udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
RU 152.89.198.214:53 ayjdieb.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 ayjdieb.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/3100-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3100-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-OO936.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp

MD5 1ba800b04f640841e63e4852f38023bd
SHA1 908eaed8abe8ae2ae9b6bc5f424c80d9c4f07ade
SHA256 314abc3aae737dcb97089ee410fe3fa7a047840b9906de8d81ec597bd783bb9c
SHA512 f8bf9180b273f355ca202579a4ef0cdf7cd84011d54bda88d825389c00a031f67d6bfe6692911b9c1998404c8f069c391fd2a245970f18e93afc7bb692c14dd7

memory/2484-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3NDE0.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 b1c5d7ef1d81920ae51fde871886bfe4
SHA1 448bd294c8873f91dca5ff292c2f79ce6c8e159c
SHA256 a2c5948c3e9bfe84a56054d839b68b3d081c5df5cdadd1e480613bc5968f27b4
SHA512 0cfda10f590291192750d2996fabf68132f5184a6527d8d027cb8d75c24db089c9b03c54033539cfa4c4c9c8387d6f1c1ab7154258ed7e0e27c309163ff9120b

memory/2840-59-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2840-60-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2840-65-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/2840-64-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-67-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3100-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2484-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3232-71-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-74-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-77-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-80-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-83-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-86-0x00000000009B0000-0x0000000000A52000-memory.dmp

memory/3232-88-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-93-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-96-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-99-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-102-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-105-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-108-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-111-0x0000000000400000-0x00000000006F1000-memory.dmp

memory/3232-114-0x0000000000400000-0x00000000006F1000-memory.dmp