socks5systemz | b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff

General

Target

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe
Size

5.3MB
MD5

7135ac4442239680347f1119fb5febca
SHA1

f5af5757abba7e857f47215e312501d37a1b5b9a
SHA256

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff
SHA512

926092eb6bd43c7040f5b1b295538c2e475a01adb71fed9b7b776ecf417116ec11ae017c9d6857681ec0e9372063ee6201feaa96c45ae44f83a771f2f2bb21d1
SSDEEP

98304:MfnmS5xM/E7TjSQMEkr3c+UyZUZgK38stOhihXZZByW7eQFo118NO7nodboBx6Vw:Wmiy/qWhJ3dcO67FrNOEdbouQzsU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4640-101-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz
behavioral2/memory/4640-126-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz
behavioral2/memory/4640-127-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmpblurayplayer.exe

pid process

1184 b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
4640 blurayplayer.exe
Loads dropped DLL 1 IoCs

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

pid process

1184 b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.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

description	ioc
Destination IP	45.155.250.90

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exeb4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmpblurayplayer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blurayplayer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

pid	process
1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

pid process

1184 b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exeb4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

description	pid	process	target process
PID 2804 wrote to memory of 1184	2804	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
PID 2804 wrote to memory of 1184	2804	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
PID 2804 wrote to memory of 1184	2804	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
PID 1184 wrote to memory of 4640	1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp	blurayplayer.exe
PID 1184 wrote to memory of 4640	1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp	blurayplayer.exe
PID 1184 wrote to memory of 4640	1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp	blurayplayer.exe

C:\Users\Admin\AppData\Local\Temp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe
"C:\Users\Admin\AppData\Local\Temp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Local\Temp\is-LIS48.tmp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LIS48.tmp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp" /SL5="$A0068,5259753,56832,C:\Users\Admin\AppData\Local\Temp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1184

C:\Users\Admin\AppData\Local\BluRay Player 1.1.14\blurayplayer.exe
"C:\Users\Admin\AppData\Local\BluRay Player 1.1.14\blurayplayer.exe" -i
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4640

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\BluRay Player 1.1.14\blurayplayer.exe

Filesize
4.6MB

MD5
d252baabc44a78447bd2ac38749f7638

SHA1
d047663d78649cbdca5314ac12c1739c30a42b3c

SHA256
c7a3ec3c7f2269642b07c8d0d75985c2132f1fa63c33c1de52032c0569ac75a7

SHA512
920451c4a45df66137ce5a55b20664b08060d4efe5eb44bcef85f689661a5af3a92943cd4b631e1152199e6d57e29cc435cfa3a8c0221d892b02a1315778b657

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HG0J8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LIS48.tmp\b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp

Filesize
690KB

MD5
aa4c6a433329f72ad8b338f73bab7738

SHA1
50f3dff83ca91ceb667de82f80be1e15f8daae2f

SHA256
94c50a23774a7953c7b916c8726fb36143437b0308c57283a1f72eebf6ed6bab

SHA512
53bcda0eb56def8bb22659c51862aadda178e2c51c174cd06ed79b270f417a4f3712c186988c36d2643753a50722ca78c54cf44a46377bbb6900135fe6f5ff83

Download Submit
memory/1184-81-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1184-7-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2804-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2804-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2804-82-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4640-91-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-108-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-76-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-84-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-85-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-88-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-77-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-94-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-97-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-101-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/4640-102-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-80-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-109-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-112-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-113-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-116-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-119-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-122-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-125-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-126-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/4640-127-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/4640-131-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/4640-134-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download

pid	process
1184	b4bc6912b49e92eb1954f02f250832fa45b3af50bf037028119d83bb2df12bff.tmp
4640	blurayplayer.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads