socks5systemz | 026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda

General

Target

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe
Size

5.6MB
MD5

d4cdbf77a0229e07411a2e6a85bd6a3a
SHA1

c3c0f87ff9c34ddd31eb22065c868daed7bac6bd
SHA256

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda
SHA512

d631b5324983a7f2b75b05296c1aeafdd17cf33a1981d2ca79ab7b6e46b87172db04d55910fdd2a14307d25cc0d37eb684b53198d9be647186e162d8c6e7997d
SSDEEP

98304:milyDkq0/jMMV3DvYE/4yR/9BxCcUVlW7sLs/V3tQn6QScrgk3mYL2:NtqQoM1txTBxCcUm7XRpNk3xL2

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beeykjv.com

http://beeykjv.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c6e69c9c3d

http://beeykjv.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86ec958f4d885a8bbc896c58e713bc90c91136b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e3dc4669010

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2984-90-0x00000000023A0000-0x0000000002442000-memory.dmp	family_socks5systemz
behavioral2/memory/2984-113-0x00000000023A0000-0x0000000002442000-memory.dmp	family_socks5systemz
behavioral2/memory/2984-114-0x00000000023A0000-0x0000000002442000-memory.dmp	family_socks5systemz

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

Processes:

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

1740 026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
4224 svomediaplayer32.exe
2984 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp

pid	process
1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.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:

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp

pid process

1740 026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp

description	pid	process	target process
PID 4932 wrote to memory of 1740	4932	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
PID 4932 wrote to memory of 1740	4932	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
PID 4932 wrote to memory of 1740	4932	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
PID 1740 wrote to memory of 4224	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe
PID 1740 wrote to memory of 4224	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe
PID 1740 wrote to memory of 4224	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe
PID 1740 wrote to memory of 2984	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe
PID 1740 wrote to memory of 2984	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe
PID 1740 wrote to memory of 2984	1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe
"C:\Users\Admin\AppData\Local\Temp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932

C:\Users\Admin\AppData\Local\Temp\is-8VV8O.tmp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8VV8O.tmp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp" /SL5="$401DC,5644997,54272,C:\Users\Admin\AppData\Local\Temp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1740

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:4224

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:2984

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\svomediaplayer32.exe
Filesize
3.3MB

MD5
715a4d37d5dda04078b21cf8b431f1d2

SHA1
ca5712d2cd74c0292a1848898007debbb2e4a49b

SHA256
2b1cef8bac39bea0d985f0fee6da525297343c4c44f3f711b73550589931b7eb

SHA512
24dd6056d53123127c2260dff6c076281ab53f6b8045446de60c242431c33996b5f7fe4ee2bf8acfa83fcc4f3074409d404c48bc5267bcdf5a736976479302c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8VV8O.tmp\026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
Filesize
680KB

MD5
5f513310dfdd2863a7925cf881b08d83

SHA1
e56ca43de148e9113a0143817d610dbff90984c8

SHA256
a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01

SHA512
c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JV3JH.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JV3JH.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1740-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1740-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2984-103-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-90-0x00000000023A0000-0x0000000002442000-memory.dmp

Filesize
648KB

Download
memory/2984-121-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-118-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-114-0x00000000023A0000-0x0000000002442000-memory.dmp

Filesize
648KB

Download
memory/2984-113-0x00000000023A0000-0x0000000002442000-memory.dmp

Filesize
648KB

Download
memory/2984-75-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-78-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-81-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-84-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-87-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-112-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-92-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-97-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-100-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-109-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2984-106-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4224-65-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4224-69-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4224-66-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4932-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4932-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4932-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

pid	process
1740	026dfa346d7554422a082e8f7ae382906b7644b5a5bd31384ae7459a76cb2eda.tmp
4224	svomediaplayer32.exe
2984	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads