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://bpbgofm.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a638df917c1ed94

http://bpbgofm.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86eb9c8f4f96148ab2865b77f80ebad9c10f7cb63037ed2ab423a43b4383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe15c3e9939b39cc

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2616-94-0x0000000002180000-0x0000000002222000-memory.dmp	family_socks5systemz
behavioral1/memory/2616-117-0x0000000002180000-0x0000000002222000-memory.dmp	family_socks5systemz
behavioral1/memory/2616-116-0x0000000002180000-0x0000000002222000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
2996	pciaudioconverterplugin.exe
2616	pciaudioconverterplugin.exe

Loads dropped DLL 5 IoCs

pid	Process
1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe
1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
1672	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	91.211.247.248

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 15 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1160 wrote to memory of 1672	1160	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe	28
PID 1672 wrote to memory of 2996	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	29
PID 1672 wrote to memory of 2996	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	29
PID 1672 wrote to memory of 2996	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	29
PID 1672 wrote to memory of 2996	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	29
PID 1672 wrote to memory of 2616	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	30
PID 1672 wrote to memory of 2616	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	30
PID 1672 wrote to memory of 2616	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	30
PID 1672 wrote to memory of 2616	1672	032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp	30

C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe
"C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\is-BRJA0.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-BRJA0.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp" /SL5="$40150,3494034,54272,C:\Users\Admin\AppData\Local\Temp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1672
- - 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:2996
- - 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:2616

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

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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-BRJA0.tmp\032fe2fdfa7c6e3d9eb025d10567b37c5985765c87904c4782c1d1264d56c29d.tmp

Filesize
695KB

MD5
92a8f3939d0910ff6b6afcf8160a34aa

SHA1
660939257b65242dd61d8f775f111c2c1898247b

SHA256
5e749bf2aa16ef53e3be510dafd0cfef27b2eab67a5422af3f53ff22d6dba71c

SHA512
754bcf6c9e07cdd49511e28d9f201e429460cd5c6fb679fc2515f86ef56aeb0c12f936ff7a55588afefc9b1bd528959c164834b535271600941f16da808f0b52

Download Submit
\Users\Admin\AppData\Local\Temp\is-02GN2.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-02GN2.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1160-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1160-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1160-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1672-11-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1672-64-0x0000000003430000-0x000000000366D000-memory.dmp

Filesize
2.2MB

Download
memory/1672-78-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1672-76-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2616-112-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-103-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-136-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-133-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-77-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-130-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-81-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-84-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-87-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-90-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-93-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-94-0x0000000002180000-0x0000000002222000-memory.dmp

Filesize
648KB

Download
memory/2616-100-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-73-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-106-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-109-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-127-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-115-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-117-0x0000000002180000-0x0000000002222000-memory.dmp

Filesize
648KB

Download
memory/2616-116-0x0000000002180000-0x0000000002222000-memory.dmp

Filesize
648KB

Download
memory/2616-121-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2616-124-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2996-65-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2996-66-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2996-69-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2996-71-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download

Analysis

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