socks5systemz | 17f63790a1fef5ed64ea3004100f60517eff346726151486ac1b6d66af9be02d

General

Target

8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe
Size

2.4MB
MD5

5b420a717a26e87669adc7ddcb94a545
SHA1

d68fe3d6384afca42ce84592e96f92703f6c5a56
SHA256

8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a
SHA512

c349ea2f052d5696ec6679beae3dc9cb2fd2363d2ecf660adb035819f364b39ef3255fda96063d803249d5efea340ef63e74abed656fce7478a3756d1ae7fb71
SSDEEP

49152:C98S78YwFBpSt7zxLdrvx5G9iVH39Uwk26BIqov0Fr3LJmtAopGP3CT:M85Idrvx5G9iVX9UFWqIyBm/EU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://dtiviqv.info/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e8ff811c1ee9c

Signatures

Detect Socks5Systemz Payload 6 IoCs

resource	yara_rule
behavioral1/memory/2564-78-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2564-79-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2564-89-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2564-102-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2564-103-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz
behavioral1/memory/2564-104-0x0000000002450000-0x00000000024F2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
2636	sadkodrive.exe
2564	sadkodrive.exe

Loads dropped DLL 7 IoCs

pid	Process
2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.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	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 2300 wrote to memory of 1004	2300	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe	28
PID 1004 wrote to memory of 2636	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	29
PID 1004 wrote to memory of 2636	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	29
PID 1004 wrote to memory of 2636	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	29
PID 1004 wrote to memory of 2636	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	29
PID 1004 wrote to memory of 2564	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	30
PID 1004 wrote to memory of 2564	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	30
PID 1004 wrote to memory of 2564	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	30
PID 1004 wrote to memory of 2564	1004	8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp	30

C:\Users\Admin\AppData\Local\Temp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe
"C:\Users\Admin\AppData\Local\Temp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\is-56NHD.tmp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-56NHD.tmp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp" /SL5="$5014E,2188603,56832,C:\Users\Admin\AppData\Local\Temp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1004
- - 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:2636
- - 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:2564

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

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Downloads

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

Filesize
3.2MB

MD5
aaad1d27e940f262aba9a18dc9fe716c

SHA1
0243907c37c554da0178ffd95cb76c43a0a5fe1e

SHA256
93fb1ddbd30e9d182ae8bd542abe6adac38774fa2ca4015dc2de8979310e4548

SHA512
6cc60f7016017d89b05432c042820c1dbe8e5901e264c2c917bca1b3eed40156ecc73621869471d420defbf927c060ecc500e63a6f4e902f8960a5008e1dd997

Download Submit
\Users\Admin\AppData\Local\Temp\is-1N7GI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-1N7GI.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-1N7GI.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-56NHD.tmp\8bd83991686cc480de09a4a436bb15dbd5ec7ec129b10dfa6f60e6d425e2772a.tmp

Filesize
690KB

MD5
a4a2a684c1454484e5b95a81c1bd1b34

SHA1
fcb5a95d4847a296f938a0f2e1b2d286d8c728a1

SHA256
6155c75f1b12a43374733984467f26adaf930b8b5c56e2986e3da0ffdcd13653

SHA512
7c9866bdb41e06de09a805efce06a6a2bcbea544f9dc7834c716d4ae7d15f413283782ec17a158aa8b35e247f20622fb65f803cb5c000820c164627ece5f9aef

Download Submit
memory/1004-8-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1004-45-0x0000000003B70000-0x0000000003E9C000-memory.dmp

Filesize
3.2MB

Download
memory/1004-61-0x0000000003B70000-0x0000000003E9C000-memory.dmp

Filesize
3.2MB

Download
memory/1004-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1004-58-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2300-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2300-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2564-85-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-78-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2564-54-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-117-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-59-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-111-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-104-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2564-64-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-65-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-68-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-71-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-74-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-77-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-56-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-79-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2564-103-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2564-88-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-89-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2564-92-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-95-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-98-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-101-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2564-102-0x0000000002450000-0x00000000024F2000-memory.dmp

Filesize
648KB

Download
memory/2636-46-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2636-48-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2636-47-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/2636-51-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download

Analysis

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