socks5systemz | ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54

General

Target

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe
Size

5.6MB
MD5

ae111c7f6b3e5317ec3e428e7340c357
SHA1

71f18c44bc543b6cb5ed792f9430842dc1cf61f5
SHA256

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54
SHA512

95ba9edf6a8c55045f5840f74bc1a0a245c32a3749878d055de1e9af6c2a6945fae875d49414a3ad8314142d71ec8ec94cdbd3208514c1e7a83c780f4ff37a81
SSDEEP

98304:mQTH8zt/yCOLuH/XssxEkfLZZA4dFWku/ndG8Z7+TXYyA56xfr7mevz:pr+tdfXJuk1ZRzumTVm6B7m+

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cctbyon.net

http://cctbyon.net/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8afb19c2ef94

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2904-95-0x0000000002350000-0x00000000023F2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
2588	svomediaplayer.exe
2904	svomediaplayer.exe

Loads dropped DLL 6 IoCs

pid	Process
2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.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	152.89.198.214

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
2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2428 wrote to memory of 2416	2428	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	28
PID 2416 wrote to memory of 2588	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	29
PID 2416 wrote to memory of 2588	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	29
PID 2416 wrote to memory of 2588	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	29
PID 2416 wrote to memory of 2588	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	29
PID 2416 wrote to memory of 2904	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	30
PID 2416 wrote to memory of 2904	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	30
PID 2416 wrote to memory of 2904	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	30
PID 2416 wrote to memory of 2904	2416	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	30

C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe
"C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\is-G0BQI.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G0BQI.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp" /SL5="$4014C,5657214,54272,C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
    "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2588
- - C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
    "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2904

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

\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Filesize
3.0MB

MD5
7b79b80bd7612cadf4ff6a35384ead95

SHA1
34de9ab6aa07283bd54b5bf102099d2d4ac46476

SHA256
f27e743c7a8820eb614580d73f4a30e286856655b01cc524eea62b7d20147a9e

SHA512
c0a4b4241683d5b3381c8fab20dbfc362bbc7ae0d9c6e9338f4b70b27a38310359fbc1f351a7f56948de6d9c5c99964abe753485759911b9c1de541a875628b6

Download Submit
\Users\Admin\AppData\Local\Temp\is-3FLFF.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-3FLFF.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-3FLFF.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-G0BQI.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

Filesize
680KB

MD5
548dec969992f3e928d7c5bcf6dbeccf

SHA1
f4da2c90b95749fbb89e1a16f55719078cb128aa

SHA256
9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768

SHA512
e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

Download Submit
memory/2416-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2416-81-0x0000000003AA0000-0x0000000003DA5000-memory.dmp

Filesize
3.0MB

Download
memory/2416-65-0x0000000003AA0000-0x0000000003DA5000-memory.dmp

Filesize
3.0MB

Download
memory/2416-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2428-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2428-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2428-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2588-68-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2588-69-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2588-73-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-78-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-82-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-85-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-88-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-91-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-94-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-95-0x0000000002350000-0x00000000023F2000-memory.dmp

Filesize
648KB

Download
memory/2904-101-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-104-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-107-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-110-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-113-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-116-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-120-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2904-123-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download

Analysis

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