socks5systemz | 58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95

General

Target

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe
Size

4.6MB
MD5

edaa71b5ac9f5e5807c6d4cc4aa244e1
SHA1

6343c7660c706f4625c05f2f5e5b7415549dd90f
SHA256

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95
SHA512

dc1d103f29a830fea7ed6f22213be8dd0ca1a33acf83864174c0b80149eb7c4f1c2ef0e558eb65afcbdfbbaea18e6bd70b77cad5d496c87afeecc51517595629
SSDEEP

98304:m++o1Fi3emj/7OguWjKTR6Te/6stdv3XmyuThhvZvyrylbhwHqfTu53SpUwc7:31sOmztuW4kTO6SN32yuThhsr8bhSwTM

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bwpugph.com

http://bwpugph.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec939f3d

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2756-84-0x0000000002860000-0x0000000002902000-memory.dmp	family_socks5systemz

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

Processes:

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmpmediaplayerrptuning32.exemediaplayerrptuning32.exe

pid process

5044 58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
3356 mediaplayerrptuning32.exe
2756 mediaplayerrptuning32.exe
Loads dropped DLL 1 IoCs

Processes:

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

pid process

5044 58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.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 91.211.247.248
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:

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

pid process

5044 58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

pid	process
5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
3356	mediaplayerrptuning32.exe
2756	mediaplayerrptuning32.exe

pid	process
5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp

description	pid	process	target process
PID 3288 wrote to memory of 5044	3288	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
PID 3288 wrote to memory of 5044	3288	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
PID 3288 wrote to memory of 5044	3288	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
PID 5044 wrote to memory of 3356	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe
PID 5044 wrote to memory of 3356	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe
PID 5044 wrote to memory of 3356	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe
PID 5044 wrote to memory of 2756	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe
PID 5044 wrote to memory of 2756	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe
PID 5044 wrote to memory of 2756	5044	58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp	mediaplayerrptuning32.exe

C:\Users\Admin\AppData\Local\Temp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe
"C:\Users\Admin\AppData\Local\Temp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3288

C:\Users\Admin\AppData\Local\Temp\is-LOPM2.tmp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LOPM2.tmp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp" /SL5="$4023C,4588471,54272,C:\Users\Admin\AppData\Local\Temp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5044

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -i
3⤵
- Executes dropped EXE
PID:3356

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -s
3⤵
- Executes dropped EXE
PID:2756

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\Media Player RPTuning\mediaplayerrptuning32.exe
Filesize
2.5MB

MD5
8d7984bd117a93566261ea0740711086

SHA1
d527a4e91e3b1389f2655cb10f07f59541ceaabf

SHA256
c95b1c554a3a0910a39a5d1f84ce6bd5fa9a2f0a26fd9a17fa8a362320259226

SHA512
1fe119ad46c278cd7fe1dfc7e42528160b092fbea00f4a4ed3061fc8e6f10753e202ebc247ba249d857859d673503dd52aafa3e8111fe84c4c60d9dea15f055e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LOPM2.tmp\58eefda0ad2d2c4308381d68caf37aca5be90ece50da5a38b80eea0c84ce0e95.tmp
Filesize
680KB

MD5
0974ba095ce319c21275c60758122947

SHA1
a459f36fc33297d242af213eda9d326967c9bcd5

SHA256
b1d3bfec6e0fd3effd9f9c661082d9b8bd8b01cc7168b0ec73d2e1df195362a6

SHA512
01bdc7b62f999a2a099277a6caee7e721bb1cb3e9639e955edf412e206ea6de4d7b68cb60c31644869a09c9e28ee02b4b327bf2e3e338dbbe8a2b3537055c7ec

Download Submit
\Users\Admin\AppData\Local\Temp\is-7C32G.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2756-106-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-91-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-84-0x0000000002860000-0x0000000002902000-memory.dmp

Filesize
648KB

Download
memory/2756-130-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-88-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-125-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-66-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-113-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-122-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-69-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-72-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-116-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-78-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-81-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-110-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-119-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-75-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-94-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-97-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-100-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2756-103-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3288-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3288-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3288-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3356-61-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3356-63-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3356-59-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/5044-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5044-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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