socks5systemz | d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b

General

Target

d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe
Size

5.7MB
MD5

3ceb7fe818ac5bb5a88b9295c905a01e
SHA1

790f847d86b0b295617d52914aaa7e00f7efd10a
SHA256

d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b
SHA512

795e689207b89e527ce544306f77b38b1b1106eddd3fcc64e4d2773364ccc0a694e52eab108442b8ba24641f9f54181fd30994d168ebc7d22381895948a19957
SSDEEP

98304:mEWvbSTB5gPOJrdBqwXz2UmKAEGTl799w8amKWBEM78TmUQV8/JpliiG0BC9BhZ:e+TBCPO1Lzj9mKAEVzmhByTm98/7liZn

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebcvghi.ua

http://ebcvghi.ua/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c7e89c9d33

http://ebcvghi.ua/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef95814d865a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f3cca66911e

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/5024-92-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz
behavioral1/memory/5024-115-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz
behavioral1/memory/5024-116-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp
4000	lampungsoundstage32.exe
5024	lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

pid	Process
2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp
2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp
2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.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
2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 2700	4996	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe	83
PID 4996 wrote to memory of 2700	4996	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe	83
PID 4996 wrote to memory of 2700	4996	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe	83
PID 2700 wrote to memory of 4000	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	86
PID 2700 wrote to memory of 4000	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	86
PID 2700 wrote to memory of 4000	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	86
PID 2700 wrote to memory of 5024	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	87
PID 2700 wrote to memory of 5024	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	87
PID 2700 wrote to memory of 5024	2700	d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp	87

C:\Users\Admin\AppData\Local\Temp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe
"C:\Users\Admin\AppData\Local\Temp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Users\Admin\AppData\Local\Temp\is-643K2.tmp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-643K2.tmp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp" /SL5="$C006C,5713830,54272,C:\Users\Admin\AppData\Local\Temp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
    "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4000
- - C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
    "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:5024

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\Lampung Soundstage\lampungsoundstage32.exe

Filesize
3.6MB

MD5
997577cdd2539d7eddbe4d8003f65854

SHA1
4ce42b26d46fc9a132b15481ae75d4ec2efe40e3

SHA256
72e21eab01707ce0536cbe6372b2d8e310ba322ebd0db71fa4746b307256a445

SHA512
6a81b287666c27ad60a0f10e2e11fd8ada440773ee1c9232760833c53d7d0d51815fc7d607d4d2fd746d76244dd17b960cd17ad9cb262a1c49d30bcbdccc8af9

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-643K2.tmp\d6c3165b405caeb9bf8c7f63f1486bc0fd0cd6ed4800c9cdb0672fa1d4ce202b.tmp

Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HV3V2.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HV3V2.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/2700-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2700-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4000-65-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4000-71-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4000-69-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4000-66-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4996-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4996-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5024-77-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-102-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-80-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-83-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-86-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-89-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-92-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/5024-96-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-99-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-74-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-105-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-108-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-111-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-114-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-115-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/5024-116-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/5024-120-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/5024-123-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download

Analysis

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