socks5systemz | 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a

General

Target

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe
Size

5.9MB
MD5

30dae158aa0989da7646150f10215ab4
SHA1

139d6339274295380822a2801b9c4545fafd3427
SHA256

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a
SHA512

e36b1c20c2b1a27b1eb3e5eab95631bd9cde0fa37f9c1ed51d9b4c37fe02a541b16d5fa383d4bc2e018b3e305fb5e57f69cb5ab4b0156f2cfe20839ae5534e3c
SSDEEP

98304:mcalFbF2pEDwSoTnwqdPyEhfE1uYhHZ3Pj2o2Jxa9lxVWEPOiK/MIBuBPkmQoRWo:mF0C5oTnwM6Ehc1Dxh7pVVVW/3UBP8lK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bxseeto.com

http://bxseeto.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c4e8929a32

http://bxseeto.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef95814d865a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f3fca68961f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3056-91-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral1/memory/3056-114-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral1/memory/3056-115-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz

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

Processes:

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

4424 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
2944 lampungsoundstage32.exe
3056 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

pid	process
4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.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:

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

pid process

4424 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

description	pid	process	target process
PID 2136 wrote to memory of 4424	2136	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2136 wrote to memory of 4424	2136	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2136 wrote to memory of 4424	2136	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 4424 wrote to memory of 2944	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe
PID 4424 wrote to memory of 2944	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe
PID 4424 wrote to memory of 2944	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe
PID 4424 wrote to memory of 3056	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe
PID 4424 wrote to memory of 3056	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe
PID 4424 wrote to memory of 3056	4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe
"C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2136

C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp" /SL5="$501CA,5896568,54272,C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4424

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:2944

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:3056

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
3.8MB

MD5
bd1870d8f9af8e99a5ddd0874f94adb8

SHA1
1d1c49504c28172885921d8797e2f1440ca354f4

SHA256
d846ab0fdfc520f18bbee8c6ef4b95740c325cb56f1e3a5611675e147d5d5bf7

SHA512
0bcfbb1326ff113261dfa51ce29596a1284b01e6974dcecd06bd2cfa31482705dad591109c4231a09aa457ef4f24938a70a09b39579bf50a0145a2c6ccd9f452

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0IL6A.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0IL6A.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
Filesize
680KB

MD5
40338aef9b322249896e762a5b73c94d

SHA1
dc401c87db8601ddf9eba26566cc5d6a32c0b390

SHA256
1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3

SHA512
5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

Download Submit
memory/2136-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2136-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2136-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-65-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2944-66-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2944-69-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2944-71-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-79-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-98-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-76-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-122-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-82-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-85-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-88-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-91-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3056-95-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-119-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-101-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-104-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-107-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-110-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-113-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3056-114-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3056-115-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/4424-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4424-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
4424	4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
2944	lampungsoundstage32.exe
3056	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads