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

bniouok.com

http://bniouok.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff715c3e89c9a3d

http://bniouok.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94844e875a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9e38ca669610

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3820-92-0x00000000024E0000-0x0000000002582000-memory.dmp	family_socks5systemz
behavioral2/memory/3820-117-0x00000000024E0000-0x0000000002582000-memory.dmp	family_socks5systemz
behavioral2/memory/3820-116-0x00000000024E0000-0x0000000002582000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

4328 ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
1152 svomediaplayer.exe
3820 svomediaplayer.exe

Loads dropped DLL 3 IoCs

Processes:

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

pid	process
4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
4328	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.

Processes:

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
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

Processes:

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

pid process

4328 ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exeed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp

description	pid	process	target process
PID 4452 wrote to memory of 4328	4452	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
PID 4452 wrote to memory of 4328	4452	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
PID 4452 wrote to memory of 4328	4452	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
PID 4328 wrote to memory of 1152	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe
PID 4328 wrote to memory of 1152	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe
PID 4328 wrote to memory of 1152	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe
PID 4328 wrote to memory of 3820	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe
PID 4328 wrote to memory of 3820	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe
PID 4328 wrote to memory of 3820	4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe
"C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4452

C:\Users\Admin\AppData\Local\Temp\is-3G8ME.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
"C:\Users\Admin\AppData\Local\Temp\is-3G8ME.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp" /SL5="$60228,5657214,54272,C:\Users\Admin\AppData\Local\Temp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4328

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:1152

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:3820

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
Filesize
3.0MB

MD5
7b79b80bd7612cadf4ff6a35384ead95

SHA1
34de9ab6aa07283bd54b5bf102099d2d4ac46476

SHA256
f27e743c7a8820eb614580d73f4a30e286856655b01cc524eea62b7d20147a9e

SHA512
c0a4b4241683d5b3381c8fab20dbfc362bbc7ae0d9c6e9338f4b70b27a38310359fbc1f351a7f56948de6d9c5c99964abe753485759911b9c1de541a875628b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3G8ME.tmp\ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
Filesize
680KB

MD5
548dec969992f3e928d7c5bcf6dbeccf

SHA1
f4da2c90b95749fbb89e1a16f55719078cb128aa

SHA256
9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768

SHA512
e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T8SCU.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T8SCU.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1152-66-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1152-70-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1152-69-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1152-65-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-80-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-89-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-124-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-73-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-121-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-116-0x00000000024E0000-0x0000000002582000-memory.dmp

Filesize
648KB

Download
memory/3820-76-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-79-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-117-0x00000000024E0000-0x0000000002582000-memory.dmp

Filesize
648KB

Download
memory/3820-83-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-86-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-115-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-92-0x00000000024E0000-0x0000000002582000-memory.dmp

Filesize
648KB

Download
memory/3820-95-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-100-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-103-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-106-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-109-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/3820-112-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4328-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4328-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4452-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4452-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4452-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
4328	ed99bc19ec7d5137cd925f2d2d31aa2b4c4f008ec98b4b9cd8bb9e2910f46e54.tmp
1152	svomediaplayer.exe
3820	svomediaplayer.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads