socks5systemz | 28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97

General

Target

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe
Size

5.7MB
MD5

c56d2a3cf289cc83786bc50cdc83f2f7
SHA1

afa3b4870fa1a3bd5d9ebeaa0c7093fd2a633d92
SHA256

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97
SHA512

f5f01b0d3abbe690f473c3f45b895d14cd1ac971ffe471585ce627fbc58df13b2221bcf60da1222481a4fc603d76fef7a95d352c7f02bbb8d632a74db2fbec10
SSDEEP

98304:muxysi0/aGIejUy1iul+21Dsjq3v05yRVS6NKMYFaNuQvM2bF96Pp:dxyiIjuhN0Mv0n6byasQvNT6Pp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

busvtoa.com

http://busvtoa.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c1e695

http://busvtoa.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef9d8e44835a8bbc896c58e713bc90c91936b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8e697993ac46f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2896-95-0x00000000026D0000-0x0000000002772000-memory.dmp	family_socks5systemz
behavioral1/memory/2896-118-0x00000000026D0000-0x0000000002772000-memory.dmp	family_socks5systemz
behavioral1/memory/2896-117-0x00000000026D0000-0x0000000002772000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

3016 28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
2596 lampungsoundstage32.exe
2896 lampungsoundstage32.exe

pid	process
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
2596	lampungsoundstage32.exe
2896	lampungsoundstage32.exe

Loads dropped DLL 6 IoCs

Processes:

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

pid	process
1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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

Processes:

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

pid process

3016 28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp

description	pid	process	target process
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 1244 wrote to memory of 3016	1244	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
PID 3016 wrote to memory of 2596	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2596	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2596	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2596	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2896	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2896	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2896	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe
PID 3016 wrote to memory of 2896	3016	28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe
"C:\Users\Admin\AppData\Local\Temp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\is-R75IF.tmp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
"C:\Users\Admin\AppData\Local\Temp\is-R75IF.tmp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp" /SL5="$400EA,5704594,54272,C:\Users\Admin\AppData\Local\Temp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3016

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:2596

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:2896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
Filesize
3.6MB

MD5
c522fbc049476e634965a53763237f88

SHA1
36ce54309e980c14e59a702c445be13658b24e6f

SHA256
16581c4ea26321c1bbd190cb6c5d480efa2aee9e5b19d16cf56ca5e6323f8fc0

SHA512
bcaf723a3826253ca54b2155c5cb587c3d64a34e73c6ffeb91a11a8642809ebc3dc92f0c18b1aaf5378a493025705dc781ecb3249cfc8ea469eaa8673f528d01

Download Submit
\Users\Admin\AppData\Local\Temp\is-9LPU4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-9LPU4.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-9LPU4.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-R75IF.tmp\28a46fd83d8ced1f725029f0e6d87617bf71129a1c1b5d46bb40eb8899fc3a97.tmp
Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

Download Submit
memory/1244-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2596-72-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2596-68-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2596-69-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-85-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-117-0x00000000026D0000-0x0000000002772000-memory.dmp

Filesize
648KB

Download
memory/2896-137-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-134-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-78-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-131-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-82-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-128-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-88-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-91-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-94-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-95-0x00000000026D0000-0x0000000002772000-memory.dmp

Filesize
648KB

Download
memory/2896-101-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-104-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-107-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-110-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-113-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-116-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-118-0x00000000026D0000-0x0000000002772000-memory.dmp

Filesize
648KB

Download
memory/2896-74-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-122-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2896-125-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/3016-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3016-79-0x0000000003910000-0x0000000003CA6000-memory.dmp

Filesize
3.6MB

Download
memory/3016-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3016-66-0x0000000003910000-0x0000000003CA6000-memory.dmp

Filesize
3.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads