socks5systemz | c237d3d7c79c5fb7795b875bd6f6c79e5bc95a96d41cf4249d755427dc4c1d58

General

Target

2f74d868692ce50e073cfdd6a2fbafa3.exe
Size

2.4MB
MD5

2f74d868692ce50e073cfdd6a2fbafa3
SHA1

7e31e58f97728181a239583884cd6789e5ddf891
SHA256

c237d3d7c79c5fb7795b875bd6f6c79e5bc95a96d41cf4249d755427dc4c1d58
SHA512

811648978e206e396c790dca0bf61fd161711ed682842a6f95e4e2619e55a445078e56ff3c749ed1bd1e745c952276381029596e5b3d23a3415440b622279beb
SSDEEP

49152:C9Poy707ePYSmuZMJdIdF/+zVQn/IZjjNf2UwcMyPOJPca0o83hlurCT:MAKbGcdFmVQn/IZjjfwcMyPGPcflH

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://aidoruu.ru/search/?q=67e28dd8655ba479120da84d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef611c5eb9d9832

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2428-72-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz
behavioral2/memory/2428-82-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp
1276	sadkodrive.exe
2428	sadkodrive.exe

Loads dropped DLL 3 IoCs

pid	Process
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	152.89.198.214

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2168	3908	2f74d868692ce50e073cfdd6a2fbafa3.exe	86
PID 3908 wrote to memory of 2168	3908	2f74d868692ce50e073cfdd6a2fbafa3.exe	86
PID 3908 wrote to memory of 2168	3908	2f74d868692ce50e073cfdd6a2fbafa3.exe	86
PID 2168 wrote to memory of 1276	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	90
PID 2168 wrote to memory of 1276	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	90
PID 2168 wrote to memory of 1276	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	90
PID 2168 wrote to memory of 2428	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	91
PID 2168 wrote to memory of 2428	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	91
PID 2168 wrote to memory of 2428	2168	2f74d868692ce50e073cfdd6a2fbafa3.tmp	91

C:\Users\Admin\AppData\Local\Temp\2f74d868692ce50e073cfdd6a2fbafa3.exe
"C:\Users\Admin\AppData\Local\Temp\2f74d868692ce50e073cfdd6a2fbafa3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Users\Admin\AppData\Local\Temp\is-2DLLC.tmp\2f74d868692ce50e073cfdd6a2fbafa3.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2DLLC.tmp\2f74d868692ce50e073cfdd6a2fbafa3.tmp" /SL5="$70096,2127575,56832,C:\Users\Admin\AppData\Local\Temp\2f74d868692ce50e073cfdd6a2fbafa3.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe
    "C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1276
- - C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe
    "C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe

Filesize
3.2MB

MD5
d68a989948c07f8e3e645ba2c2453274

SHA1
9670803bcb662513464e8fbd2adb4eb1b11ec022

SHA256
46cc6f830e62ea1d053d49295db94f3dbf62b311e6af2b28905d1e1cc1c5dfca

SHA512
d71b7c1476fe487a6cf787acb292f5ed2f33f2a853b18c617a1fecb23cac94439fc6ea82764cd8ac6e99fc81aa048b3364184bbcfbed9e7a90c8f9866f915fe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2DLLC.tmp\2f74d868692ce50e073cfdd6a2fbafa3.tmp

Filesize
690KB

MD5
a4a2a684c1454484e5b95a81c1bd1b34

SHA1
fcb5a95d4847a296f938a0f2e1b2d286d8c728a1

SHA256
6155c75f1b12a43374733984467f26adaf930b8b5c56e2986e3da0ffdcd13653

SHA512
7c9866bdb41e06de09a805efce06a6a2bcbea544f9dc7834c716d4ae7d15f413283782ec17a158aa8b35e247f20622fb65f803cb5c000820c164627ece5f9aef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F4I0J.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F4I0J.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/1276-43-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/1276-44-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/1276-45-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/1276-48-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2168-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2168-55-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2168-7-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2428-58-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-72-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/2428-51-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-54-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-101-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-98-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-59-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-62-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-65-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-68-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-71-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-94-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-78-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-81-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-82-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/2428-85-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-88-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/2428-91-0x0000000000400000-0x000000000072D000-memory.dmp

Filesize
3.2MB

Download
memory/3908-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing