socks5systemz | 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0

General

Target

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe
Size

4.5MB
MD5

c13843c63e1f98974b66244bd4c0a351
SHA1

ba4ddd69e33c311b0145726724f812aea82413e1
SHA256

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0
SHA512

762c56c753a4b579ed13fa05a585f7deae9d5a827724d9bc4c43978368a5c08cf922a3f0cd535eb5396b8661cca84732d3fe41facc54d08ef547f5076fa3c7aa
SSDEEP

98304:mrlYGBzJllzhzYmM8GTRwYTbZN1WHr5lIQdAAoFB:qRnjkyYTLkDIQroP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpbghjm.com

http://bpbghjm.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec949b39

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4400-83-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz

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

Processes:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

3052 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
1244 playercloudfree32.exe
4400 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid process

3052 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.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 91.211.247.248
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:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid process

3052 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid	process
3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
1244	playercloudfree32.exe
4400	playercloudfree32.exe

pid	process
3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

description	pid	process	target process
PID 4472 wrote to memory of 3052	4472	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 4472 wrote to memory of 3052	4472	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 4472 wrote to memory of 3052	4472	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 3052 wrote to memory of 1244	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 3052 wrote to memory of 1244	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 3052 wrote to memory of 1244	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 3052 wrote to memory of 4400	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 3052 wrote to memory of 4400	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 3052 wrote to memory of 4400	3052	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe
"C:\Users\Admin\AppData\Local\Temp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4472

C:\Users\Admin\AppData\Local\Temp\is-9N6OA.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9N6OA.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp" /SL5="$4023E,4433064,54272,C:\Users\Admin\AppData\Local\Temp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1244

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:4400

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.6MB

MD5
58cb893c938c713c75f37a1034dc814a

SHA1
bfaf7f08893509ec989ac81636702cafb44c8722

SHA256
24b894bbb459b0d7f3e112a134c441ee783f46387f4c9ae9fcb95e5bd558efb6

SHA512
c18f738dd9c6b3206c950ee8a8c77846d5bb971038bc90237d33677e25ca1633c2be0c55308561cc2dc0b2d17a4a3502542ac7afb70c410f29b12013320b7df8

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9N6OA.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
\Users\Admin\AppData\Local\Temp\is-KMB33.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1244-63-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/1244-59-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/1244-61-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/3052-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3052-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4400-77-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-109-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-129-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-68-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-71-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-74-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-124-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-80-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-83-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/4400-85-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-90-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-93-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-96-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-99-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-102-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-105-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-121-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-112-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-115-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4400-118-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4472-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4472-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4472-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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