socks5systemz | 6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed

General

Target

6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe
Size

4.0MB
MD5

e288fa550d1885f16005c6d3042e96a3
SHA1

2d1627bc6819f5c5e7c8c32fe471a03cee353939
SHA256

6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed
SHA512

9600ad77bf0d03ee54787c9f688233013b522d0458ba31432bf670c992a8211f27c21a22d1ab1297a0e167a416f634c2977ca5587cc59b98938402d71d382a69
SSDEEP

98304:CTHF+8eZ9B1aPRCi2E0zPlec2MTPUpUE6HCJ0UenHJ:lBi27z0iPcp6HCGHJ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ddzcthh.info/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd16c2ed949e3c

http://ddzcthh.info/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12eab517aa5c96bd86ee948f45865a8bbc896c58e713bc90c91136b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee979d39cf6e9211

Signatures

Detect Socks5Systemz Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2632-68-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/2632-78-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/2632-91-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/2632-92-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp
4584	alternatebestaudio.exe
2632	alternatebestaudio.exe

Loads dropped DLL 1 IoCs

pid	Process
4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.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 3492 wrote to memory of 4692	3492	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe	85
PID 3492 wrote to memory of 4692	3492	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe	85
PID 3492 wrote to memory of 4692	3492	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe	85
PID 4692 wrote to memory of 4584	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	89
PID 4692 wrote to memory of 4584	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	89
PID 4692 wrote to memory of 4584	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	89
PID 4692 wrote to memory of 2632	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	90
PID 4692 wrote to memory of 2632	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	90
PID 4692 wrote to memory of 2632	4692	6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp	90

C:\Users\Admin\AppData\Local\Temp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe
"C:\Users\Admin\AppData\Local\Temp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\is-5BVQE.tmp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5BVQE.tmp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp" /SL5="$501D2,3867435,54272,C:\Users\Admin\AppData\Local\Temp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4692
- - C:\Users\Admin\AppData\Local\Alternate Best Audio\alternatebestaudio.exe
    "C:\Users\Admin\AppData\Local\Alternate Best Audio\alternatebestaudio.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4584
- - C:\Users\Admin\AppData\Local\Alternate Best Audio\alternatebestaudio.exe
    "C:\Users\Admin\AppData\Local\Alternate Best Audio\alternatebestaudio.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2632

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\Alternate Best Audio\alternatebestaudio.exe

Filesize
3.2MB

MD5
da085733201790196132654f2809c087

SHA1
12cb9e04d60a4eb9a950a76c02052d248fc30a24

SHA256
887306869851f987ce3194041fea3e845e3459c86227dadf9d8a9b6d9781c901

SHA512
e871d39cae18ea2659ee307e840fd128c35075491c31df7aa7a828a33aee77cac38841397efbab90a0b2009b36bd1cabf177b17507beed44ccaa4a415216480c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-14S1D.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5BVQE.tmp\6cc65802207062de81e8a6c65816724223f0b04a7f796399d233dfe978bf92ed.tmp

Filesize
680KB

MD5
881f2cef72236042d71aa56a7d29b53e

SHA1
d598ec567cb1a0b17447eeb34f3961818b530032

SHA256
8cf465621e17add7e9fb0686f1a9105fbf5d74431c20a7a588c5d9a34eb55ab8

SHA512
beeca460ed32641c5078d544b0782fba32aa1f81cae95848848d947b2fc891ff0a77a0acdba9c428c9b389ee05a208d10f0f357f661795f84f9c7dc5238d1cf0

Download Submit
memory/2632-78-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2632-87-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-61-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-58-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-96-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-92-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2632-91-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2632-47-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-90-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-77-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-50-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-84-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-54-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-55-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-99-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-81-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-64-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-67-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2632-68-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2632-74-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/3492-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4584-44-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/4584-43-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/4584-40-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/4584-39-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/4692-51-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/4692-49-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4692-7-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download

Analysis

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