socks5systemz | ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a

General

Target

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe
Size

5.6MB
MD5

edd8fbb38dbf23b5f903b9a50fa35feb
SHA1

ccc6c7191e44c5887b8f1a2d13ae93f751afbb11
SHA256

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a
SHA512

1a9c66b0e792f44dcab93544149ce9715863e8b4355062d66fa40e42378a0494569748c01d06cdc3ca6db4d1f6f41ab35fbb0062c07569b8e5dcccdaea9fe945
SSDEEP

98304:my7M1IRkFVWvEM+xoPsMIGojBxpOf5/p60nANJGY7zfytFrKR:yIGUEMGhFCf5/kVzfyPKR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buudink.com

http://buudink.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c1ed9c9f3f

http://buudink.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94844e875a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f3acf669312

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4232-91-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz
behavioral2/memory/4232-116-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz
behavioral2/memory/4232-115-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz

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

Processes:

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmplampungsoundstage.exelampungsoundstage.exe

pid process

1412 ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
3224 lampungsoundstage.exe
4232 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

pid	process
1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.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 45.155.250.90
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:

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

pid process

1412 ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exeed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

description	pid	process	target process
PID 2944 wrote to memory of 1412	2944	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 2944 wrote to memory of 1412	2944	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 2944 wrote to memory of 1412	2944	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 1412 wrote to memory of 3224	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe
PID 1412 wrote to memory of 3224	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe
PID 1412 wrote to memory of 3224	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe
PID 1412 wrote to memory of 4232	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe
PID 1412 wrote to memory of 4232	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe
PID 1412 wrote to memory of 4232	1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe
"C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2944

C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp" /SL5="$4022E,5634076,54272,C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:3224

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:4232

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

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Downloads

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
Filesize
3.2MB

MD5
56ceaa1ba076530f2682803533cbce9c

SHA1
bf2078e25213a9e5fd7509f3871f0e02cc0cd252

SHA256
7904d62c179160ff754f1f1e862e0cc9c21d6610bee1515aa1fe4c85639f9eb3

SHA512
869f088b6b786972b9e75da058d5f1d13c3cf6287cbe5a146d24e284a0934b1ed814aea0144b8c94e70ad12ab5993989ba8110ab460a93eba15dc995ae90eb07

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LSIIE.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LSIIE.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
Filesize
680KB

MD5
a53cd7f9f154eefaf6ff191bb4d65be5

SHA1
f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

SHA256
4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

SHA512
327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

Download Submit
memory/1412-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1412-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2944-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2944-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3224-65-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3224-68-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3224-70-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-79-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-102-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-73-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-82-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-85-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-88-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-91-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4232-94-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-99-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-76-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-105-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-108-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-111-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-114-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-116-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4232-115-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4232-120-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4232-123-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download

pid	process
1412	ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
3224	lampungsoundstage.exe
4232	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads