socks5systemz | 2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838

General

Target

2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe
Size

5.6MB
MD5

756238f87c9970dca1ac53fed3da5a64
SHA1

52e1ad4e9af7a6184ca29114f9c3ae528f8f6262
SHA256

2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838
SHA512

a3955d7d54d6e01bc8d9d2f274b1d93d325aedb73783fbe27530c12d96abafc092cb4872d9c7f3f2a714239640990f957650089a6fb7e3b629af6d7770bf07ec
SSDEEP

98304:mJt00YtpO/HdCm4aqMgnl4IzmMapwEHrksPpoylfcjiAmCPFON+GQ:It00Y0HdCmDqb/yjWOktylfc+JyFU+r

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ceptkit.net

http://ceptkit.net/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff715c6ea949c33

http://ceptkit.net/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86e89d8644855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9e3dc86e901e

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1372-93-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1372-118-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1372-119-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp
4484	svomediaplayer32.exe
1372	svomediaplayer32.exe

Loads dropped DLL 3 IoCs

pid	Process
1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp
1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp
1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.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
1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1968	2972	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe	78
PID 2972 wrote to memory of 1968	2972	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe	78
PID 2972 wrote to memory of 1968	2972	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe	78
PID 1968 wrote to memory of 4484	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	79
PID 1968 wrote to memory of 4484	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	79
PID 1968 wrote to memory of 4484	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	79
PID 1968 wrote to memory of 1372	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	80
PID 1968 wrote to memory of 1372	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	80
PID 1968 wrote to memory of 1372	1968	2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp	80

C:\Users\Admin\AppData\Local\Temp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe
"C:\Users\Admin\AppData\Local\Temp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\is-PHDVN.tmp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-PHDVN.tmp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp" /SL5="$70238,5624894,54272,C:\Users\Admin\AppData\Local\Temp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
    "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4484
- - C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
    "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1372

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

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Filesize
3.3MB

MD5
0662834956dcdeb59638f3d41294e8f8

SHA1
30e19e3c568e832176204bb14fbf0a7304bf9507

SHA256
8cde5dfcf28a448b3db98bfdeb45a245a7acc8ddb2121a83c31288b3c7a9b46f

SHA512
025a1564a001120fed557461b39ec198649414aa1eab8bfb1094a75a6721b1de6d7844bd9b84ed975b5fd08847ec0eb5b9f9a006329ecf3e48d7dbef4a3032dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6422S.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6422S.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PHDVN.tmp\2ddc31f2c711b81779c9f1628ebd406df391e42877802442947bc6be5d9fe838.tmp

Filesize
680KB

MD5
5f513310dfdd2863a7925cf881b08d83

SHA1
e56ca43de148e9113a0143817d610dbff90984c8

SHA256
a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01

SHA512
c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

Download Submit
memory/1372-105-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-88-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-126-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-123-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-119-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1372-118-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1372-117-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-74-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-75-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-114-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-111-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-78-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-81-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-82-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-85-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-108-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-91-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-93-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1372-96-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1372-102-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/1968-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1968-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2972-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4484-66-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4484-71-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4484-69-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4484-65-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download

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