socks5systemz | 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05

General

Target

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe
Size

5.6MB
MD5

22421038cc9edadfba058173043f5421
SHA1

43d4fadd5d2d0184a09775685e1812982e7a8a63
SHA256

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05
SHA512

3fe5f55264061ff4ef2e6b66b9c80ec9209183e1dd8877547b2daa596d71e27b45be7fbf358155aefbef2e731bc26dd4b6c27c3c4539b1672ab2d7ba9456bd98
SSDEEP

98304:mAJgAAgVw3giseKjNISco3ujkrJpB4/9Qh5qIGCnB5XUC/98g6Q9Db2fFx4MJRQn:BgA9w3vKBIS7uIBX7Hr6G0rPccx4

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddeotoe.info

http://ddeotoe.info/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef929c3a

http://ddeotoe.info/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12eab517aa5c96bd86eb97804a865a8bbc896c58e713bc90c91936b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9c3bcd689017

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1364-91-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz

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

Processes:

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

1600 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
4624 svomediaplayer32.exe
1364 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp

pid	process
1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.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 45.155.250.90
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:

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp

pid process

1600 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp

description	pid	process	target process
PID 4112 wrote to memory of 1600	4112	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
PID 4112 wrote to memory of 1600	4112	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
PID 4112 wrote to memory of 1600	4112	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
PID 1600 wrote to memory of 4624	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe
PID 1600 wrote to memory of 4624	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe
PID 1600 wrote to memory of 4624	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe
PID 1600 wrote to memory of 1364	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe
PID 1600 wrote to memory of 1364	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe
PID 1600 wrote to memory of 1364	1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe
"C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4112

C:\Users\Admin\AppData\Local\Temp\is-OCLHL.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
"C:\Users\Admin\AppData\Local\Temp\is-OCLHL.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp" /SL5="$501EA,5612463,54272,C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1600

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:4624

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:1364

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\svomediaplayer32.exe
Filesize
3.3MB

MD5
f307eaabdb5c728b616b8a9325854489

SHA1
46822f870691468c2ccaafbba547e6fe38c14069

SHA256
7e6f6e05502b3f87d7f0c157793348cf1571ae2b2098ffd42ddde0db33ee393c

SHA512
369cb953b8998825f1e4f41898dfda620fca8d0e251db5443e8b3e44bb602b16cb9d6cc3897521394ca84d11eb2de449698f869d1d8f27f5c571380877737ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OCLHL.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
\Users\Admin\AppData\Local\Temp\is-G2M7L.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-G2M7L.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1364-110-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-117-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-137-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-132-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-129-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-126-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-72-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-123-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-120-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-76-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-79-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-82-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-85-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-88-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-91-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/1364-95-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-98-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-101-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-104-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-107-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1364-113-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1600-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1600-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4112-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4112-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4112-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4624-70-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4624-66-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4624-65-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download

pid	process
1600	4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp
4624	svomediaplayer32.exe
1364	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads