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

bexscve.com

http://bexscve.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c4e7929b33

http://bexscve.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8e4f895a8bbc896c58e713bc90c91136b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3fc568971e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4856-86-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral1/memory/4856-109-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral1/memory/4856-108-0x00000000009D0000-0x0000000000A72000-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

1476 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
620 playercloudfree32.exe
4856 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid process

1476 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 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:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid process

1476 2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

pid	process
1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
620	playercloudfree32.exe
4856	playercloudfree32.exe

pid	process
1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp

description	pid	process	target process
PID 1972 wrote to memory of 1476	1972	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 1972 wrote to memory of 1476	1972	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 1972 wrote to memory of 1476	1972	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.exe	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
PID 1476 wrote to memory of 620	1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 1476 wrote to memory of 620	1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 1476 wrote to memory of 620	1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 1476 wrote to memory of 4856	1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 1476 wrote to memory of 4856	1476	2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp	playercloudfree32.exe
PID 1476 wrote to memory of 4856	1476	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:1972

C:\Users\Admin\AppData\Local\Temp\is-606MD.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-606MD.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp" /SL5="$13003A,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:1476

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:620

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:4856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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-606MD.tmp\2265e5db5087396050269cfb635399a2bcf6a23386aa0eacb0b13160f81931f0.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H3J97.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/620-59-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/620-61-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/620-63-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/1476-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1476-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1972-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1972-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1972-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-76-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-95-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-73-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-66-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-79-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-82-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-85-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-86-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4856-92-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-70-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-98-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-101-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-104-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-107-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-109-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4856-108-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/4856-113-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download
memory/4856-116-0x0000000000400000-0x000000000069D000-memory.dmp

Filesize
2.6MB

Download

Analysis

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