socks5systemz | 3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d

General

Target

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe
Size

5.6MB
MD5

442dfb5102fba38abbd5baea24ad9a54
SHA1

395aaaf0bc4ae855d31ebc2a64def63f30c17f68
SHA256

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d
SHA512

f8dddfdafe2de8edb3017f89b6039b7c50655603c0b88b70911d3273f55fb03794b35a7364a72c91ecad8455e42c7c314f9bc1cb20651fd43a451a17c2c06fc4
SSDEEP

98304:mWwDqvV4FOvSxqRXFqLbEDhXdCvWCLVGhLysL2phmPzBsRv//1w2x77Y8lg3:xaUXF8oCOWsWhFRvO2xPS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccotjnv.net

http://ccotjnv.net/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c3eb919a32

http://ccotjnv.net/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86ec958f4d885a8bbc896c58e713bc90c91136b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e38c96b961f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4624-93-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz
behavioral1/memory/4624-116-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz
behavioral1/memory/4624-117-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Processes:

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

4964 3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
4656 svomediaplayer.exe
4624 svomediaplayer.exe

Loads dropped DLL 3 IoCs

Processes:

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp

pid	process
4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.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:

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp

pid process

4964 3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp

description	pid	process	target process
PID 3528 wrote to memory of 4964	3528	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
PID 3528 wrote to memory of 4964	3528	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
PID 3528 wrote to memory of 4964	3528	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
PID 4964 wrote to memory of 4656	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe
PID 4964 wrote to memory of 4656	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe
PID 4964 wrote to memory of 4656	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe
PID 4964 wrote to memory of 4624	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe
PID 4964 wrote to memory of 4624	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe
PID 4964 wrote to memory of 4624	4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe
"C:\Users\Admin\AppData\Local\Temp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3528

C:\Users\Admin\AppData\Local\Temp\is-SV4R7.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SV4R7.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp" /SL5="$B004E,5646587,54272,C:\Users\Admin\AppData\Local\Temp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4964

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:4656

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:4624

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

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Downloads

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

MD5
b2c7c435ee7a1a68794e0b7653a249ee

SHA1
6c0504155bc15345e48417b4d47cf010f94368d8

SHA256
6af493a89d2d4388e85bc6f10b4fedffc676602ad6a74d7c9e5818330c307511

SHA512
187f14ba199013a75598044f5aa21304d99c3691af3d47b1cf8f379920e75943cdf5e101fc25ff359577f958fb5bd508535fe23436ce56ba8cc3b21835fe3017

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-N4H9Q.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-N4H9Q.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SV4R7.tmp\3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
Filesize
680KB

MD5
e6d2fc7b9b3ceccedcf57875330a8ff1

SHA1
7bc2a4e40e24b2c0d130883b7255a97cdd4e1e6f

SHA256
001f671b1a90209f7133c55c809be8fe96797c89bebcce04aab5e846d9c91cc3

SHA512
0d5809e67459ce5eae974f11428fe5fc124f52d7532528d5952dca17b29d6941a7b1f31e04fbcdc62e86f6186586efb559cfeaca054a7d05c77461d31455ac7f

Download Submit
memory/3528-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3528-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3528-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4624-106-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-93-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4624-124-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-121-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-74-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-117-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4624-116-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/4624-77-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-80-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-81-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-84-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-87-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-90-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-115-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-97-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-100-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-103-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-112-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4624-109-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4656-66-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4656-65-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4656-67-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4656-71-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/4964-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4964-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
4964	3d9f22cef83382f6894033a54bf3425e532efe24338ce6177ab87284aa6a693d.tmp
4656	svomediaplayer.exe
4624	svomediaplayer.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads