socks5systemz | 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc

General

Target

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe
Size

5.7MB
MD5

4b3144e3d1da066957fae23bf21af3ad
SHA1

88d2f91e7b275acf5871911361f0d0d6107db5c4
SHA256

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc
SHA512

91eb70c03afa01ae9961e786de14c478dfbb86d0e67f921d18a24466c04fe552c6e74130a49a9fce8f28e11cd085f64dafe78989d81cfdaa283e90bda3a042c9
SSDEEP

98304:mr/spdnkYV+XuyinXJbAGy8In6Z4/O4Q2dk8Dc8VsoEVQlse:usLkYV+XPAX1Zyx6Z4/OT8fV+E

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

besdlcu.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-92-0x0000000002590000-0x0000000002632000-memory.dmp	family_socks5systemz

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

Processes:

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

3868 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
2584 lampungsoundstage32.exe
2204 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

pid	process
3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 152.89.198.214
Destination IP 91.211.247.248
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

Processes:

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

pid process

3868 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

description	pid	process	target process
PID 2012 wrote to memory of 3868	2012	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 2012 wrote to memory of 3868	2012	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 2012 wrote to memory of 3868	2012	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 3868 wrote to memory of 2584	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe
PID 3868 wrote to memory of 2584	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe
PID 3868 wrote to memory of 2584	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe
PID 3868 wrote to memory of 2204	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe
PID 3868 wrote to memory of 2204	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe
PID 3868 wrote to memory of 2204	3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe
"C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
"C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp" /SL5="$A01D0,5723780,54272,C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3868

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:2584

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:2204

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
3.6MB

MD5
cde5589dbd55275f77e8396ba30596a3

SHA1
f4bb2df083be461056b99c928f9a6beeba940f5d

SHA256
447c9212fd652e3811e9dc7b6e39fae2e066d2a74beec7fd9679b3672a2f0b32

SHA512
d5942e8e917b2fb869c3d6021e79a432e50395cf499dd8de8a90d200d34d7b7aa267cb56cee4f0070a0cf72d0e220a472bfef5ad4f377363341f7dded758d1b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8CID3.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8CID3.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
Filesize
680KB

MD5
40338aef9b322249896e762a5b73c94d

SHA1
dc401c87db8601ddf9eba26566cc5d6a32c0b390

SHA256
1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3

SHA512
5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

Download Submit
memory/2012-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2012-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2012-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2204-99-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-105-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-120-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-117-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-74-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-114-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-111-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-77-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-80-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-83-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-86-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-89-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-92-0x0000000002590000-0x0000000002632000-memory.dmp

Filesize
648KB

Download
memory/2204-94-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-108-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2204-102-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2584-66-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2584-65-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2584-69-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/2584-71-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download
memory/3868-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3868-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
3868	27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
2584	lampungsoundstage32.exe
2204	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads