socks5systemz | 3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a

General

Target

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe
Size

3.8MB
MD5

89232588779cca7da57df81d46458e64
SHA1

106a9a4a84cb422023e9ebce0c055c92ed36db1c
SHA256

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a
SHA512

16fa01b529450533b88d73b3d76c2a3c21f500e66ab445ca5a76e8fbb20a14979ccf181ebea240d6d89c54f76934344a6f05ab5e75ff86d6be8ff294ab4583da
SSDEEP

98304:7amjv3FMzNsloeiVpQwL/W4etOvM+2XZAoFvbjnQm8vtev9AE:TN+Nsment+p2PDjQPlC9z

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bubzozu.com/search/?q=67e28dd8395df37a1507f81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978ff71ea771795af8e05c644db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffc14c1ee94993d

http://bubzozu.com/search/?q=67e28dd8395df37a1507f81b7c27d78406abdd88be4b12eab517aa5c96bd86eb978144835a8bbc896c58e713bc90c91936b5281fc235a925ed3e5cd6bd974a95129070b617e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee969f3acc6e9510

Signatures

Detect Socks5Systemz Payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3364-71-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz
behavioral2/memory/3364-73-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz
behavioral2/memory/3364-83-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz
behavioral2/memory/3364-96-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz
behavioral2/memory/3364-97-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz

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

Processes:

is-BGDLV.tmpsimplefreewaveeditor.exesimplefreewaveeditor.exe

pid process

5372 is-BGDLV.tmp
2248 simplefreewaveeditor.exe
3364 simplefreewaveeditor.exe
Loads dropped DLL 3 IoCs

Processes:

is-BGDLV.tmp

pid process

5372 is-BGDLV.tmp
5372 is-BGDLV.tmp
5372 is-BGDLV.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 141.98.234.31
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

pid	process
5372	is-BGDLV.tmp
2248	simplefreewaveeditor.exe
3364	simplefreewaveeditor.exe

pid	process
5372	is-BGDLV.tmp
5372	is-BGDLV.tmp
5372	is-BGDLV.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exeis-BGDLV.tmp

description	pid	process	target process
PID 2204 wrote to memory of 5372	2204	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-BGDLV.tmp
PID 2204 wrote to memory of 5372	2204	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-BGDLV.tmp
PID 2204 wrote to memory of 5372	2204	3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe	is-BGDLV.tmp
PID 5372 wrote to memory of 2248	5372	is-BGDLV.tmp	simplefreewaveeditor.exe
PID 5372 wrote to memory of 2248	5372	is-BGDLV.tmp	simplefreewaveeditor.exe
PID 5372 wrote to memory of 2248	5372	is-BGDLV.tmp	simplefreewaveeditor.exe
PID 5372 wrote to memory of 3364	5372	is-BGDLV.tmp	simplefreewaveeditor.exe
PID 5372 wrote to memory of 3364	5372	is-BGDLV.tmp	simplefreewaveeditor.exe
PID 5372 wrote to memory of 3364	5372	is-BGDLV.tmp	simplefreewaveeditor.exe

C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe
"C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Users\Admin\AppData\Local\Temp\is-THGG7.tmp\is-BGDLV.tmp
"C:\Users\Admin\AppData\Local\Temp\is-THGG7.tmp\is-BGDLV.tmp" /SL4 $40230 "C:\Users\Admin\AppData\Local\Temp\3242de97969e4b2826659a84e3c2b8be771ab96e7881d6574da016159f58494a.exe" 3675463 52224
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5372

C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe
"C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe" -i
3⤵
- Executes dropped EXE
PID:2248

C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe
"C:\Users\Admin\AppData\Local\Simple Free Wave Editor\simplefreewaveeditor.exe" -s
3⤵
- Executes dropped EXE
PID:3364

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\Simple Free Wave Editor\simplefreewaveeditor.exe
Filesize
3.8MB

MD5
6e326254a53217de937ac9a4b0eed097

SHA1
55327dcd1821140aae9e05b2c370bdda841f3d15

SHA256
8216168ffe2d1d220186328677604bdec3f8d2ec70f5b1a1e1340700976b0803

SHA512
5c3467db72e198a8a5480374bbf9b9a54b563dc6ed579fc4fcfdca4991c5ec2427e5d26505dd31071b5c008cad190eb5af27481f87e00c5d25e7fe4f29833d3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R24NK.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R24NK.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-THGG7.tmp\is-BGDLV.tmp
Filesize
648KB

MD5
7c8240e466c74b0e0c80bfbccb9f3c39

SHA1
43a580359f41e067aa77d153532d0073cc17c4db

SHA256
63295dcd59e424cdf29a4bc5500054f24317a349af48f970fe14ab85439a1a4d

SHA512
3c956b8f7c881873356abf62eed5e04ee9ae84a54ad0f9cc497eb05ba0a35f8ed32e03b54e7fb47293b2f83201822b5d866f1258db5e36336b650bb3584b2283

Download Submit
memory/2204-51-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2204-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2204-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2248-43-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/2248-44-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/2248-47-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/2248-55-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-58-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-72-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-53-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-104-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-50-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-101-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-59-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-62-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-65-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-68-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-71-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/3364-97-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/3364-73-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/3364-79-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-82-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-83-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/3364-86-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-89-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-92-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-95-0x0000000000400000-0x00000000007D2000-memory.dmp

Filesize
3.8MB

Download
memory/3364-96-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/5372-52-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/5372-7-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/5372-54-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download

Analysis

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