socks5systemz | a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a

General

Target

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe
Size

5.8MB
MD5

48058bf6d5957efc6b51e32074eb3817
SHA1

716e1e596226fe9738d4b9394d927a05cd8669f5
SHA256

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a
SHA512

a9d27daf1a5f4b8bdda6ab1b2c2f70f67fffc64c31cac8dad234544c792f7b7d60c9df58cd8e0a08c48c4d8aad2693414eb45f021d34657ac546f08ea4fec6fa
SSDEEP

98304:mZzh25JI/5NZqwuSono+fuD59groFgOW8w0+9yFUqrbD3YjjsFAgyUQHrJ0WwY67:cig5NZAbo+fygEFgnt0+kfDojBg/Ql01

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dllebzy.info

http://dllebzy.info/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c4ef959f39

http://dllebzy.info/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef95814d865a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f3fcd6f9314

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/5080-92-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral1/memory/5080-115-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral1/memory/5080-116-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz

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

Processes:

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

2460 a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
1432 lampungsoundstage32.exe
5080 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp

pid	process
2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.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:

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp

pid process

2460 a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exea547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp

description	pid	process	target process
PID 768 wrote to memory of 2460	768	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
PID 768 wrote to memory of 2460	768	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
PID 768 wrote to memory of 2460	768	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
PID 2460 wrote to memory of 1432	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe
PID 2460 wrote to memory of 1432	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe
PID 2460 wrote to memory of 1432	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe
PID 2460 wrote to memory of 5080	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe
PID 2460 wrote to memory of 5080	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe
PID 2460 wrote to memory of 5080	2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe
"C:\Users\Admin\AppData\Local\Temp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:768

C:\Users\Admin\AppData\Local\Temp\is-HBUV3.tmp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HBUV3.tmp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp" /SL5="$401E8,5857994,54272,C:\Users\Admin\AppData\Local\Temp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:1432

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:5080

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\lampungsoundstage32.exe
Filesize
3.7MB

MD5
19bb0b1b1e5c19e764106a8e0d8c88a1

SHA1
e126db9c0253b31175cbfe3e7593b910ddb99238

SHA256
1c3892ec80b9d6d7ae60131e741bf3d99cd8394fcf26b19e03ab51f54a5fe004

SHA512
0901b9782b0153f06e84152c4a01fbfff31ced55dfbd12c1e321d42b67902b4a16c7e54f1700932a5b1b4dba64d92d010b6dedbcfbb624c6945a5acddf7bd36f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D4R62.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D4R62.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HBUV3.tmp\a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
Filesize
680KB

MD5
40338aef9b322249896e762a5b73c94d

SHA1
dc401c87db8601ddf9eba26566cc5d6a32c0b390

SHA256
1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3

SHA512
5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

Download Submit
memory/768-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/768-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/768-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1432-71-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/1432-66-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/1432-70-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/1432-65-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/2460-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2460-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5080-77-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-102-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-80-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-83-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-86-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-89-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-92-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/5080-96-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-99-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-73-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-105-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-108-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-111-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-114-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-115-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/5080-116-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/5080-120-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download
memory/5080-123-0x0000000000400000-0x00000000007B6000-memory.dmp

Filesize
3.7MB

Download

pid	process
2460	a547051797804cfc0dbd9e115b089845e637e2b08b29482ec2130db00dd95b2a.tmp
1432	lampungsoundstage32.exe
5080	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads