socks5systemz | 032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d

General

Target

032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe
Size

3.6MB
MD5

8bff4738298b42b8b9affd8b7e30df05
SHA1

7305c0ef5829e5ea51acd6fcbf3a881c64b64cc8
SHA256

032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d
SHA512

955ac663a06d599c8fc82d275c92273d86699c9deb59b061984a06b928776e8bc9a3356062513a10e60b2aef891de14c401895b92a7836138c2cc544b4bcb636
SSDEEP

98304:+x7Z7bC1M2/+c2jJtbVDyn/RA5F5AEdx5WWJlsp2oJXhd1ZZc:eHCn2XVDmRMAEdKWJa2oJzXZc

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bpidqde.com/search/?q=67e28dd86b55f62e435ba9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb12c6e994983d

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2984-85-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
3104	pciaudioconverterplugin.exe
2984	pciaudioconverterplugin.exe

Loads dropped DLL 1 IoCs

pid	Process
608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	141.98.234.31

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 608	876	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	72
PID 876 wrote to memory of 608	876	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	72
PID 876 wrote to memory of 608	876	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	72
PID 608 wrote to memory of 3104	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	73
PID 608 wrote to memory of 3104	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	73
PID 608 wrote to memory of 3104	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	73
PID 608 wrote to memory of 2984	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	74
PID 608 wrote to memory of 2984	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	74
PID 608 wrote to memory of 2984	608	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	74

C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe
"C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- C:\Users\Admin\AppData\Local\Temp\is-4O717.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-4O717.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp" /SL5="$300E2,3494034,54272,C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:608
- - C:\Users\Admin\AppData\Local\PCI Audio Converter Plugin\pciaudioconverterplugin.exe
    "C:\Users\Admin\AppData\Local\PCI Audio Converter Plugin\pciaudioconverterplugin.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3104
- - C:\Users\Admin\AppData\Local\PCI Audio Converter Plugin\pciaudioconverterplugin.exe
    "C:\Users\Admin\AppData\Local\PCI Audio Converter Plugin\pciaudioconverterplugin.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\PCI Audio Converter Plugin\pciaudioconverterplugin.exe

Filesize
2.2MB

MD5
e3a44a022d527be97d51373901a98845

SHA1
3e9b4e42d3cac86e74174722326b7d9aebb967de

SHA256
385cf12fbf983b7d6049cbabd6428f19a3e8ed6f46d87f01c71cc5e52745526d

SHA512
30dce3fb6c369d5aa77c5a272d5e2ed2b4fb85cf9b0978cb174cea831bc7133820a2dc103eb42fd424632b8d0200788861d265c932b945971888d21786e2ba73

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4O717.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp

Filesize
695KB

MD5
92a8f3939d0910ff6b6afcf8160a34aa

SHA1
660939257b65242dd61d8f775f111c2c1898247b

SHA256
5e749bf2aa16ef53e3be510dafd0cfef27b2eab67a5422af3f53ff22d6dba71c

SHA512
754bcf6c9e07cdd49511e28d9f201e429460cd5c6fb679fc2515f86ef56aeb0c12f936ff7a55588afefc9b1bd528959c164834b535271600941f16da808f0b52

Download Submit
\Users\Admin\AppData\Local\Temp\is-TA3ND.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/608-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/608-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/608-68-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/876-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/876-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/876-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2984-104-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-92-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-131-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-69-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-126-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-73-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-76-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-79-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-82-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-85-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/2984-87-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-66-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-95-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-98-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-101-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-123-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-107-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-111-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-114-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-117-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2984-120-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/3104-59-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/3104-60-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/3104-63-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing