socks5systemz | cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092

General

Target

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe
Size

5.7MB
MD5

375efb9fabe93b91e6ea0e594b8a7abe
SHA1

25f1e913f6570fe318c3cab135925251e96b8740
SHA256

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092
SHA512

663598ebdd8d4aed6ac46a8aa722d88aa17526610bc8541fe690df3da1e8b08bb0acdd595002516dcf8e6dd6230f73ef79ac86b0b428913e83acaec40b8d6689
SSDEEP

98304:mxfH28i2/XvWzhsZQqK3ojnJTQ+ZfmYu9ui3yj+B7b5DglpOLoV3eYdAOpSwVe:CfW8i2HWzGY3ojnJlfmYuf3kEdgPOsuB

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bunirfo.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2312-92-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz

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

Processes:

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

2628 cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
4084 lampungsoundstage32.exe
2312 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp

pid	process
2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.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 141.98.234.31
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:

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp

pid process

2628 cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	91.211.247.248
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.execae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp

description	pid	process	target process
PID 3004 wrote to memory of 2628	3004	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
PID 3004 wrote to memory of 2628	3004	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
PID 3004 wrote to memory of 2628	3004	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
PID 2628 wrote to memory of 4084	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe
PID 2628 wrote to memory of 4084	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe
PID 2628 wrote to memory of 4084	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe
PID 2628 wrote to memory of 2312	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe
PID 2628 wrote to memory of 2312	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe
PID 2628 wrote to memory of 2312	2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe
"C:\Users\Admin\AppData\Local\Temp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\is-SCH9V.tmp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SCH9V.tmp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp" /SL5="$70232,5728550,54272,C:\Users\Admin\AppData\Local\Temp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2628

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:4084

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:2312

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
fa5b316f27544ae19c41b182f5d6cdf1

SHA1
cf332812d80e33ddfaba0a9e33b5a04940299238

SHA256
0b26899cce9ba1546e289d908cd9612c20e3ca645b9afaf1ce55501aebf8b882

SHA512
13a5122f707ea63898115c6e3809963b0614ca4aef5601ec969dac5a42c2295ff4e6392052d28502a9986f48cd3deae4448f09e741fffe9d8949a480ff0d32a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-93DL5.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-93DL5.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SCH9V.tmp\cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
Filesize
680KB

MD5
40338aef9b322249896e762a5b73c94d

SHA1
dc401c87db8601ddf9eba26566cc5d6a32c0b390

SHA256
1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3

SHA512
5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

Download Submit
memory/2312-108-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-105-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-123-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-117-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-114-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-111-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-97-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-74-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-75-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-120-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-102-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-78-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-81-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-82-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-85-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-88-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-91-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/2312-92-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2628-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2628-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3004-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4084-65-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4084-70-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4084-71-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download
memory/4084-66-0x0000000000400000-0x0000000000794000-memory.dmp

Filesize
3.6MB

Download

pid	process
2628	cae655fc698d3092fe07a588ddb6489f8da26c30942d9ef74823b47a722db092.tmp
4084	lampungsoundstage32.exe
2312	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads