socks5systemz | 629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c

General

Target

629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe
Size

4.8MB
MD5

1e44c054f8c676e87c20cc2e60aa4d43
SHA1

712043656c1410aff0ceaa41dacf832fa7efd94e
SHA256

629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c
SHA512

768b5ed11447ab1d98af7858cdca515e51f204f5258271cc8fbf8ef1116c8c1b43f89d80cc1893d25078a4485f9dc59599e2c596d2d6277f2f74796b29b09ea8
SSDEEP

98304:mne2eIdS4KWwHF6gyhMrZV7yjduvPI4zyWxfGIwtyGUWO:Ke2eoKncf6rj7Ad0CWRnwQAO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ejagbua.ua

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2812-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp
1752	ddsoundrecorder.exe
2812	ddsoundrecorder.exe

Loads dropped DLL 1 IoCs

pid	Process
3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.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	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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddsoundrecorder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddsoundrecorder.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 3140	3912	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe	80
PID 3912 wrote to memory of 3140	3912	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe	80
PID 3912 wrote to memory of 3140	3912	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe	80
PID 3140 wrote to memory of 1752	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	82
PID 3140 wrote to memory of 1752	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	82
PID 3140 wrote to memory of 1752	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	82
PID 3140 wrote to memory of 2812	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	83
PID 3140 wrote to memory of 2812	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	83
PID 3140 wrote to memory of 2812	3140	629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp	83

C:\Users\Admin\AppData\Local\Temp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe
"C:\Users\Admin\AppData\Local\Temp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Users\Admin\AppData\Local\Temp\is-BCI8U.tmp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-BCI8U.tmp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp" /SL5="$40236,4747036,54272,C:\Users\Admin\AppData\Local\Temp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe
    "C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1752
- - C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe
    "C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\DD Sound Recorder\ddsoundrecorder.exe

Filesize
3.2MB

MD5
19e50332ce2945e33f281e945baa70fc

SHA1
5bfd97e2004723d5c1c515844fdf9c6794e76823

SHA256
f379892192a1783a0f9eb41b5e3c8a133a9e3d170c0b1080a8d7fc2e317c0854

SHA512
6389fb69f1e5a9226394bf93ce8979ffa21a43dd785c99301ce96d9571a73688dc2093655e6c3b1a695ce50de7869e3857edb2540b7963f4bcfa9cc24c2a2c66

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8T6GB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BCI8U.tmp\629a7daf82513bcf794aa8aca517bd3e1c6c3023212aebb09b565ea5e634016c.tmp

Filesize
680KB

MD5
7e426b790717e31c6305d7c45561a601

SHA1
4fadef8b7f0e78f6f6e0ebf6650ba4d288305bdb

SHA256
5832e00635805c594d0538caf49a7a59b10202a0ee1e44231233ab0e7712b802

SHA512
2ccb351c43b1a0272f2f2dc9b58b4fa8e5397597a95b54fd27957bcba8db5e44b4a6c1cf4e846e4ef4a991a3aced7d7f5f8cfe82c1af5ccc36e652976ff13404

Download Submit
memory/1752-64-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/1752-59-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/1752-62-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-70-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-101-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-67-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-113-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-110-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-107-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-104-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-73-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-76-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-79-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-82-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/2812-86-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-92-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-95-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2812-98-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3140-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3140-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3912-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3912-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3912-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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