socks5systemz | 0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673

General

Target

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe
Size

5.7MB
MD5

1cfc5b65107ccaccb88d9014006aa8f4
SHA1

b1f85fbf909f02df786b7b92247e9766c82884eb
SHA256

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673
SHA512

19727bfd8902cedbbb45a7cf44b36873326a4e6a505192eb7d69947b73dad8cbb0435ea88721052424df47b4f7b44938f16b48b59a2f6efb4bc68f70204867ad
SSDEEP

98304:mzue4eq1Otz/qYYskWCDB/1pRLW70CucEKB/l/hikjFPjGKsPgRYzHBRgAUM4XZL:Knqy+YYskWCDB//h8FucE29//PjsPmuq

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckxwpbr.net

http://ckxwpbr.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c6e69c9c3c

http://ckxwpbr.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e890834e96148ab2865b77f80ebad9c20f7cb63037ed2ab423a4314383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e7919c32c46991

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/536-92-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz
behavioral2/memory/536-115-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz
behavioral2/memory/536-116-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz

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

Processes:

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

696 0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
1548 svomediaplayer32.exe
536 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp

pid	process
696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.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:

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp

pid process

696 0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp

description	pid	process	target process
PID 1948 wrote to memory of 696	1948	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
PID 1948 wrote to memory of 696	1948	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
PID 1948 wrote to memory of 696	1948	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
PID 696 wrote to memory of 1548	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe
PID 696 wrote to memory of 1548	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe
PID 696 wrote to memory of 1548	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe
PID 696 wrote to memory of 536	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe
PID 696 wrote to memory of 536	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe
PID 696 wrote to memory of 536	696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe
"C:\Users\Admin\AppData\Local\Temp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\is-2UC7D.tmp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2UC7D.tmp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp" /SL5="$D0052,5716960,54272,C:\Users\Admin\AppData\Local\Temp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:696

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:1548

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:536

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4524,i,8447163055677043976,7218082390179600880,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:8
1⤵
PID:1552

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
3.4MB

MD5
8c716aa2466a450a5b3622fe82c6a44e

SHA1
e17aa764b9a92b9af87b1892903bd4c411fbb333

SHA256
2262d0f3248e876ef3f0b48ffb8bf4aeaf59447dcbcaf95b3761998a5128231d

SHA512
7ecfa17ade0636569a0cd86ed5bd13b78f48d9e8e04005be8dd9c8ee1021f875c7f5ef9582bfc3422b1d780b48ca6ef7f01ccf711e771410f4405db510944499

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2UC7D.tmp\0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
Filesize
680KB

MD5
5f513310dfdd2863a7925cf881b08d83

SHA1
e56ca43de148e9113a0143817d610dbff90984c8

SHA256
a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01

SHA512
c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FL8IK.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FL8IK.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/536-99-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-86-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-123-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-120-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-116-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/536-115-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/536-114-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-74-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-111-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-108-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-77-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-80-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-83-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-105-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-89-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-92-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/536-94-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/536-102-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/696-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1548-71-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/1548-67-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/1548-66-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/1548-65-0x0000000000400000-0x0000000000762000-memory.dmp

Filesize
3.4MB

Download
memory/1948-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1948-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1948-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
696	0072d339cb08865c22d52b34983bb6da75d667423b4c6e3a5260c57ba1fd7673.tmp
1548	svomediaplayer32.exe
536	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads