socks5systemz | 356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18

General

Target

356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe
Size

6.3MB
MD5

fb03b47daf0824c880e985cbde417da0
SHA1

7391570672f2490f0c3b963989df38e0411fe444
SHA256

356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18
SHA512

f2ae64f6b926b933d63c49b6d5149c239d53c76bc2befc35e50b0f999b8e26d6db4b80f2111474ca944f505ffb89e67e0d7f46c96c679c17371bd16357e22ed3
SSDEEP

98304:mo+m5TkvqhgbIbps7T3T8feReMaEpYCsoX59s6Up4JwViRIHDYN187dKwpUXi4nB:tXANbIbCL8ueYT9mQvRQYMbeVB

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2088-86-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral2/memory/2088-110-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral2/memory/2088-109-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp
3124	consoledictaphone32.exe
2088	consoledictaphone32.exe

Loads dropped DLL 1 IoCs

pid	Process
4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 4872	5008	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe	72
PID 5008 wrote to memory of 4872	5008	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe	72
PID 5008 wrote to memory of 4872	5008	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe	72
PID 4872 wrote to memory of 3124	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	73
PID 4872 wrote to memory of 3124	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	73
PID 4872 wrote to memory of 3124	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	73
PID 4872 wrote to memory of 2088	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	74
PID 4872 wrote to memory of 2088	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	74
PID 4872 wrote to memory of 2088	4872	356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp	74

C:\Users\Admin\AppData\Local\Temp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe
"C:\Users\Admin\AppData\Local\Temp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Users\Admin\AppData\Local\Temp\is-DGBO2.tmp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DGBO2.tmp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp" /SL5="$600D0,6373015,54272,C:\Users\Admin\AppData\Local\Temp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone32.exe
    "C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3124
- - C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone32.exe
    "C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2088

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone32.exe

Filesize
4.9MB

MD5
320933c1dc478e8ce818ab29e82b41cf

SHA1
25baa09dd826e638f4b40754b722f741b78ecd6a

SHA256
81eac568d94428ac020e4ffbaa679730e582e2a5a71aae9f476b241eb00aa96b

SHA512
2cc4894407a175f445ba75f647569b9c5dac5b7824439e070d97c9a4f3176ee939191834cc9ea33561778bb7dba9243eb06004a420889f00917b333143b1487f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DGBO2.tmp\356da454a519f051545031d9d9275e39cfa01b805a8a4b8980087098e917bd18.tmp

Filesize
680KB

MD5
68c0b1bc62a7661a5031a16f41127aed

SHA1
ecc6ed71c2ee49dd308dbdb057e2488002f6fabf

SHA256
7bd18fa45cf7bf8c4cabc505070317a6a8ce74a2e30965bf920003f8e36c7515

SHA512
1dbbb92cf0bb238341edd9347711e56ebe0b9118ca962dd1c8cd2af7f6fe698e53785bfef416be7cc6100680847dfe37520374c222ed142db1cedb14d401c0cd

Download Submit
\Users\Admin\AppData\Local\Temp\is-P73R0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2088-105-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-108-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-129-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-126-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-123-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-120-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-67-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-117-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-114-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-70-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-109-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2088-74-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-77-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-80-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-110-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2088-90-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-96-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-93-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-86-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2088-99-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-102-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/2088-83-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/3124-64-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/3124-60-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/3124-59-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/4872-16-0x00007FF8DB530000-0x00007FF8DB70B000-memory.dmp

Filesize
1.9MB

Download
memory/4872-73-0x00007FF8DB530000-0x00007FF8DB70B000-memory.dmp

Filesize
1.9MB

Download
memory/4872-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5008-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-2-0x00007FF8DB530000-0x00007FF8DB70B000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing