socks5systemz | 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e

General

Target

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe
Size

5.6MB
MD5

f064d8a7e9ba1371e82b543e0d09aacf
SHA1

bb8a34782bd4268c10302aabfea055dc84567e78
SHA256

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e
SHA512

d4140ddd6250f44f67841ebca70c6c310d6ff6eeaa3e7b6a4344eab14ccfb40de50e62b89e567dea9e98d6e658f4643af25bac861d4b2689c8050cf771e5ac72
SSDEEP

98304:mVGvLXn3b++D+ClUki7PW0TKkTZCO/dvKR0mX1LWv9y7SvDRu:cGvLX3bSDPWmKuZy7X1Lu9cS7Ru

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckceupr.net

http://ckceupr.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff715c5eb949e3c

http://ckceupr.net/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86e89d8545835a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9e3ec96e9211

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2380-90-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz
behavioral2/memory/2380-116-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz
behavioral2/memory/2380-117-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz

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

Processes:

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

4892 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
4640 svomediaplayer32.exe
2380 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

pid	process
4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.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:

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

pid process

4892 167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp

description	pid	process	target process
PID 5056 wrote to memory of 4892	5056	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 5056 wrote to memory of 4892	5056	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 5056 wrote to memory of 4892	5056	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
PID 4892 wrote to memory of 4640	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe
PID 4892 wrote to memory of 4640	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe
PID 4892 wrote to memory of 4640	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe
PID 4892 wrote to memory of 2380	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe
PID 4892 wrote to memory of 2380	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe
PID 4892 wrote to memory of 2380	4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe
"C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp" /SL5="$40236,5608586,54272,C:\Users\Admin\AppData\Local\Temp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4892

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:4640

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:2380

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
dba379bb6447169ae41100770c27f059

SHA1
2bfc83e8b28de65048b19fb41ce98905017264d5

SHA256
667617fdf10c8b2e6c9312cec31937073af49dd1012721805ffa3c9fd13a0101

SHA512
c2bdcd6599a5654f5383f21386ce9ea40c8cd556d1356cac199fe351f50d95cbbb017c578d338858c0539aed12cc0a778fb5b9288331e15c46165405fbbd060b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0AFCI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0AFCI.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KJN9J.tmp\167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
Filesize
680KB

MD5
5f513310dfdd2863a7925cf881b08d83

SHA1
e56ca43de148e9113a0143817d610dbff90984c8

SHA256
a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01

SHA512
c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

Download Submit
memory/2380-100-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-86-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-124-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-121-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-117-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2380-116-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2380-115-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-74-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-112-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-109-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-77-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-80-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-83-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-106-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-89-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-90-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2380-95-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/2380-103-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4640-71-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4640-66-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4640-69-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4640-65-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4892-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4892-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5056-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5056-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5056-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
4892	167e44bc905f707ab0ef0ed40111c4070bffcca783e2e50cba8fbe09d1859a1e.tmp
4640	svomediaplayer32.exe
2380	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads