socks5systemz | 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5

General

Target

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe
Size

4.5MB
MD5

5abb12c9193c339e15a0590bc371daee
SHA1

927ae8ce685b741ea6086f530c47e1f43d904798
SHA256

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5
SHA512

7b62d44734fdf6d9a4298c27ac28c50c4da7cbc3062291a3cd70c446e3799e33ce71a96d13e82526a3fc075a80401e4f88dd1de28f30f2dbe9790c7ba707d34f
SSDEEP

98304:mULbwzRjd7VjK8gci5qWp3jZ3L4UkiJQcZYstzS1+8eOf3vYXfl/Y:tAzn7VjK8IDJk0DpVS1+8eOHn

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bnbihex.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2756-85-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz

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

Processes:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmpfanplayercloudfree32.exefanplayercloudfree32.exe

pid process

4648 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
3632 fanplayercloudfree32.exe
2756 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

pid process

4648 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.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 152.89.198.214
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:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

pid process

4648 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

pid	process
4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
3632	fanplayercloudfree32.exe
2756	fanplayercloudfree32.exe

pid	process
4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

description	pid	process	target process
PID 432 wrote to memory of 4648	432	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 432 wrote to memory of 4648	432	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 432 wrote to memory of 4648	432	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 4648 wrote to memory of 3632	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 4648 wrote to memory of 3632	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 4648 wrote to memory of 3632	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 4648 wrote to memory of 2756	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 4648 wrote to memory of 2756	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 4648 wrote to memory of 2756	4648	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe
"C:\Users\Admin\AppData\Local\Temp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Users\Admin\AppData\Local\Temp\is-F32RN.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-F32RN.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp" /SL5="$501CE,4423980,54272,C:\Users\Admin\AppData\Local\Temp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:3632

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:2756

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
Filesize
2.3MB

MD5
f6e0e7a12f3ac494724d56af1f2b5383

SHA1
b0e9e09cee7726cc37a300f9c3fd41da977caade

SHA256
255b75b7a5f634710a3e9ab84af559b114e9e79fb5ba27371f1159ced8e41c95

SHA512
0c1371fd5f7489dcc64c0e64451b33cba639ddcdce5c863c970d37eed7cdfe479d5f124f292141292a556483ba0f9abf83da9865a798ba5c856d5a0df94e739a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F0OBO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F32RN.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
Filesize
680KB

MD5
be79d1e21110bb810f3be263c9132022

SHA1
767627d2ec08b5e07d0bcb04121b6c745a98eff3

SHA256
596c093b48696fd634b22fbe9de676ecb80fca70aab23a35a5eb4561c58a330d

SHA512
9f7cdb7f265a52de50e44c04d5570cb7f00e97bd69c6cc61b940dea1e8cc9b59882fbab84ff7074d845a7296a7973c5e26e899932289b4e3fb2b57da9239709e

Download Submit
memory/432-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/432-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/432-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2756-87-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-85-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/2756-113-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-110-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-107-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-104-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-70-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-73-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-76-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-79-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-82-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-101-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-98-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-92-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2756-95-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3632-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3632-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3632-65-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3632-63-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4648-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing