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

boslnzy.com

http://boslnzy.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c0e796993e

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2224-86-0x0000000002820000-0x00000000028C2000-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

1132 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
2256 fanplayercloudfree32.exe
2224 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

pid process

1132 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.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 45.155.250.90
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

1132 32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

pid	process
1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
2256	fanplayercloudfree32.exe
2224	fanplayercloudfree32.exe

pid	process
1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp

description	pid	process	target process
PID 996 wrote to memory of 1132	996	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 996 wrote to memory of 1132	996	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 996 wrote to memory of 1132	996	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
PID 1132 wrote to memory of 2256	1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 1132 wrote to memory of 2256	1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 1132 wrote to memory of 2256	1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 1132 wrote to memory of 2224	1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 1132 wrote to memory of 2224	1132	32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp	fanplayercloudfree32.exe
PID 1132 wrote to memory of 2224	1132	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:996

C:\Users\Admin\AppData\Local\Temp\is-IUI4S.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-IUI4S.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp" /SL5="$A0070,4423980,54272,C:\Users\Admin\AppData\Local\Temp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1132

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:2256

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:2224

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\fanplayercloudfree32.exe
Filesize
2.3MB

MD5
f6e0e7a12f3ac494724d56af1f2b5383

SHA1
b0e9e09cee7726cc37a300f9c3fd41da977caade

SHA256
255b75b7a5f634710a3e9ab84af559b114e9e79fb5ba27371f1159ced8e41c95

SHA512
0c1371fd5f7489dcc64c0e64451b33cba639ddcdce5c863c970d37eed7cdfe479d5f124f292141292a556483ba0f9abf83da9865a798ba5c856d5a0df94e739a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IUI4S.tmp\32a0560b8145bfc4ccb744623045458035d2b6e3f11bd5e877a3590f3ef364b5.tmp
Filesize
680KB

MD5
be79d1e21110bb810f3be263c9132022

SHA1
767627d2ec08b5e07d0bcb04121b6c745a98eff3

SHA256
596c093b48696fd634b22fbe9de676ecb80fca70aab23a35a5eb4561c58a330d

SHA512
9f7cdb7f265a52de50e44c04d5570cb7f00e97bd69c6cc61b940dea1e8cc9b59882fbab84ff7074d845a7296a7973c5e26e899932289b4e3fb2b57da9239709e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TL5VI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/996-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/996-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/996-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1132-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1132-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2224-95-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-86-0x0000000002820000-0x00000000028C2000-memory.dmp

Filesize
648KB

Download
memory/2224-68-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-117-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-114-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-71-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-74-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-75-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-78-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-81-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-84-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-110-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-90-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-107-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-98-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-101-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2224-104-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2256-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2256-65-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2256-62-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2256-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download

Analysis

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