socks5systemz | 2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0

General

Target

2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe
Size

5.7MB
MD5

8e236feab23049c31f09c0128c80a9ec
SHA1

14c74d77a91d9419858759b0d32d78496e4de551
SHA256

2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0
SHA512

de49861ed32228be1c306b3883f6311ca8681161698ccc52cd108a90543b51282da9a607b95467d73bb32061e6daa7124088c33453d63e0087d19fcefd5c6086
SSDEEP

98304:my7wm5UFkIPJYZVJ6EidbfY2FVscmBgpHg6Fm9PtPUdJ58z27AF4Svs3VbuYq:jWzaEEiVfa7BgpHgCMFsdJ58z27FQ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ejbbavo.ua

http://ejbbavo.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c7ec9d9c3b

http://ejbbavo.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86ee97874a875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f3cce679016

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/972-91-0x0000000002660000-0x0000000002702000-memory.dmp	family_socks5systemz
behavioral1/memory/972-114-0x0000000002660000-0x0000000002702000-memory.dmp	family_socks5systemz
behavioral1/memory/972-115-0x0000000002660000-0x0000000002702000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp
1996	lampungsoundstage32.exe
972	lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

pid	Process
2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp
2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp
2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.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 FindShellTrayWindow 1 IoCs

pid	Process
2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2456	532	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe	84
PID 532 wrote to memory of 2456	532	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe	84
PID 532 wrote to memory of 2456	532	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe	84
PID 2456 wrote to memory of 1996	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	87
PID 2456 wrote to memory of 1996	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	87
PID 2456 wrote to memory of 1996	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	87
PID 2456 wrote to memory of 972	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	89
PID 2456 wrote to memory of 972	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	89
PID 2456 wrote to memory of 972	2456	2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp	89

C:\Users\Admin\AppData\Local\Temp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe
"C:\Users\Admin\AppData\Local\Temp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\is-TTE7M.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-TTE7M.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp" /SL5="$800E0,5724483,54272,C:\Users\Admin\AppData\Local\Temp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
    "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1996
- - C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
    "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:972

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
89e35769a52a2492772f147ca04d78bf

SHA1
274f942a683e8bf0389789b7678e605bcf276509

SHA256
a749aa897fa337820ce07a74e66bda51772042e5cb4f47ad5a62ed8d56fc1cdb

SHA512
8a4e5a280c4eec7e62405695b5072106555041acec2c4f626625c014807083cb947286b57d297fc3bd484efb9b2741fa933ff1649bab7d3122eb7e0763971fb6

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TTE7M.tmp\2c2cf3666a7877db2d9baef024158e943c5b47a19fc83506fe7989aa0cd204d0.tmp

Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

Download Submit
memory/532-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/532-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/532-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/972-101-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-91-0x0000000002660000-0x0000000002702000-memory.dmp

Filesize
648KB

Download
memory/972-122-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-73-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-119-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-115-0x0000000002660000-0x0000000002702000-memory.dmp

Filesize
648KB

Download
memory/972-76-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-79-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-82-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-85-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-88-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-114-0x0000000002660000-0x0000000002702000-memory.dmp

Filesize
648KB

Download
memory/972-93-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-98-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-113-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-104-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-107-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/972-110-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/1996-66-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/1996-65-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/1996-69-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2456-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2456-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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