socks5systemz | 886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba

General

Target

886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe
Size

2.0MB
MD5

0996a7865209402a8fb79ebec17baa7c
SHA1

005c42b705446a9b9bfa2e4505860867e7027d46
SHA256

886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba
SHA512

eb8153cb1b45dc6d448bef47bf64c8d2a5c3676ac1a509c1d2c5286d46b87b69e8a137ff84591409799249422934261f4e7bf215ac04386b0f1be6ff179eb479
SSDEEP

49152:32JLcDsCVl/1XGavcEdwLX68K1zR8G0HI3ulFqGn9mt1ng:miDsCd2aVdwLXO127lgGn9mtC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ccsidni.net/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe15c2ee979d39

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2840-66-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2840-70-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2840-79-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp
4360	webproedit.exe
2840	webproedit.exe

Loads dropped DLL 1 IoCs

pid	Process
1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 1568	4140	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe	87
PID 4140 wrote to memory of 1568	4140	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe	87
PID 4140 wrote to memory of 1568	4140	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe	87
PID 1568 wrote to memory of 4360	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	91
PID 1568 wrote to memory of 4360	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	91
PID 1568 wrote to memory of 4360	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	91
PID 1568 wrote to memory of 2840	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	92
PID 1568 wrote to memory of 2840	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	92
PID 1568 wrote to memory of 2840	1568	886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp	92

C:\Users\Admin\AppData\Local\Temp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe
"C:\Users\Admin\AppData\Local\Temp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\is-8VR87.tmp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8VR87.tmp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp" /SL5="$50066,1751335,54272,C:\Users\Admin\AppData\Local\Temp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Users\Admin\AppData\Local\Web Pro Editor\webproedit.exe
    "C:\Users\Admin\AppData\Local\Web Pro Editor\webproedit.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4360
- - C:\Users\Admin\AppData\Local\Web Pro Editor\webproedit.exe
    "C:\Users\Admin\AppData\Local\Web Pro Editor\webproedit.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2840

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-8VR87.tmp\886dda8cafbf6199ff14a921a5711ab8b251d21dde8a9fa7879e0e05e498d4ba.tmp

Filesize
677KB

MD5
2280a9ec27f05270929696c877dc902b

SHA1
a2ab3ec7f06c7663b5d45d77752eebf5da1f38bb

SHA256
bb1a9bd772e130d8b99f1090fa19db125f7445684645ae597b63b15213e98509

SHA512
80791828dbc4093db40fbf6d64ed685e6d733ddc846218dfdb265bd79247f1eb70d2ac1a91b5f49c8445b9dae1a46ab3af2aa90b5ddb4c5a0e903c1079e68f2a

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Web Pro Editor\webproedit.exe

Filesize
2.6MB

MD5
28dbda363abeafc78b6bd5f962abba97

SHA1
7e420c5ad1bcfe839e9342d55ed6a999963dca7f

SHA256
10600ee337e0ed7d1fe41903f0d2113f336feab024a3f2daaad35f68df4dd4d6

SHA512
c296ba797a3463f2b1748d47f5340376d94c2617134807295232e02f64a790d34e14a23b65c2fee787b3d3b986a559771bee2e5f94963797416d6838b4ef43ea

Download Submit
memory/1568-49-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1568-51-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1568-7-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/2840-75-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-78-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-98-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-95-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-46-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-47-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-91-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-88-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-50-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-85-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-52-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-55-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-58-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-61-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-64-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-66-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/2840-69-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-70-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/2840-82-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/2840-79-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/4140-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4140-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4140-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4360-39-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/4360-38-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/4360-43-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download
memory/4360-42-0x0000000000400000-0x000000000069A000-memory.dmp

Filesize
2.6MB

Download

Analysis

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