socks5systemz | d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9

General

Target

d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe
Size

4.0MB
MD5

92b825b079f38bafe8205e0b10ec325d
SHA1

9b5f49e1cc2c25e15f78c6d07625486dba69235d
SHA256

d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9
SHA512

90d9e74bf8ae23b939b33802b1f1d3c9462b4a8194a42195cf2d59287f30b29490f5f70a09fc364f5432dfe1686dd320b04de88378f9e7d139ecb0f10aacdcfe
SSDEEP

98304:Cm6eFqwY3BzvhWtSSlbKeyATcngKp3yGBtIpchgg2TQxE:d6eALOH8ATq37tIplhTQG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bmhwdvq.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd17c1ee929832

http://bmhwdvq.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb918645815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee979c3acc68941f

Signatures

Detect Socks5Systemz Payload 5 IoCs

resource	yara_rule
behavioral1/memory/3060-68-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-71-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-80-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-93-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-94-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp
4892	soundvolume.exe
3060	soundvolume.exe

Loads dropped DLL 1 IoCs

pid	Process
4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4988	3300	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe	87
PID 3300 wrote to memory of 4988	3300	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe	87
PID 3300 wrote to memory of 4988	3300	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe	87
PID 4988 wrote to memory of 4892	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	90
PID 4988 wrote to memory of 4892	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	90
PID 4988 wrote to memory of 4892	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	90
PID 4988 wrote to memory of 3060	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	91
PID 4988 wrote to memory of 3060	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	91
PID 4988 wrote to memory of 3060	4988	d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp	91

C:\Users\Admin\AppData\Local\Temp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe
"C:\Users\Admin\AppData\Local\Temp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\is-G9IK3.tmp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G9IK3.tmp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp" /SL5="$3023A,3810297,54272,C:\Users\Admin\AppData\Local\Temp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4892
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe

Filesize
2.8MB

MD5
ff83aa25a2744372ad05eedd27524fd3

SHA1
ace351754b66a3f58da9cca21be6810f54aa6cf1

SHA256
f6a5267b3892981be9732b6f357740961c8020b8c88270d8eaac694951c50ce9

SHA512
ce855a8a66333885330c0d1d632f4481f27a4d64d20b10562e70d559548a4696456f1345780e76bfab2e31ae376b788e91de44363934f138d244a8a15438e521

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D2J3A.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-G9IK3.tmp\d69639d8748700e69c1b27f3a78d28ae093da8631a80691e2d91615a57c5e3f9.tmp

Filesize
680KB

MD5
6e8a6870c7b7cca7857274c12319be79

SHA1
670cb59240dcf402572bac9afa413530f4126248

SHA256
18b2e6e055099ecdee8aa2cdca0d19d18bb3bb0f6db8725cf0fc0d39f95813fc

SHA512
8f4dd62e1b8be2dd4b3178f7267c7898c26e2466826c93eaff817fc0b08d926671e2e620fb341516d72b90b2519710e8b6354afccf2c777d7148cae8e521a037

Download Submit
memory/3060-76-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-65-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-101-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-98-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-94-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3060-93-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3060-92-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-46-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-62-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-89-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-86-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-51-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-83-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-55-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-80-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3060-56-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-48-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-59-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-68-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3060-70-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-71-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3060-79-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3300-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3300-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3300-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4892-42-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/4892-44-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/4892-39-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/4892-40-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/4988-7-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/4988-52-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/4988-50-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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