socks5systemz | ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f

General

Target

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe
Size

5.0MB
MD5

949b47be8c362f4945bce215580429a5
SHA1

60f58318019ef61f978d31aa62bb98b0f2f1f705
SHA256

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f
SHA512

e80f14905efcd3d9b961e0564fb3e7172b0e05becbe4ae1bab3aecf4af02f9565c0f1a017d74a9fa1cc662babf0f4639b43fdab6398a961d69735f63bd5aec19
SSDEEP

98304:m7y3mJ8xb/Iva6NVYFjJqondvXoTBLeUkuWYiA5T54FH+enltZAtZp:13mJ85/IvaTj1ntXwB6uWYt5T5aH+Al4

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3304-94-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral2/memory/3304-118-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz
behavioral2/memory/3304-119-0x00000000009B0000-0x0000000000A52000-memory.dmp	family_socks5systemz

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

Processes:

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmpmidiplayer32.exemidiplayer32.exe

pid process

4208 ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
2428 midiplayer32.exe
3304 midiplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp

pid	process
4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.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:

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp

pid process

4208 ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exeea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp

description	pid	process	target process
PID 4540 wrote to memory of 4208	4540	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
PID 4540 wrote to memory of 4208	4540	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
PID 4540 wrote to memory of 4208	4540	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
PID 4208 wrote to memory of 2428	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe
PID 4208 wrote to memory of 2428	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe
PID 4208 wrote to memory of 2428	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe
PID 4208 wrote to memory of 3304	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe
PID 4208 wrote to memory of 3304	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe
PID 4208 wrote to memory of 3304	4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp	midiplayer32.exe

C:\Users\Admin\AppData\Local\Temp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe
"C:\Users\Admin\AppData\Local\Temp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\is-EP3AP.tmp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-EP3AP.tmp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp" /SL5="$40210,4994190,54272,C:\Users\Admin\AppData\Local\Temp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2428
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3304

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe

Filesize
2.4MB

MD5
bec5116def5c3af0bf48a23699165b82

SHA1
5436651d86551061eb3b6c92cfdecde6bc2e1bd9

SHA256
bbb25b294d5626b1c95110812187b7250f78e446e0cb72a540b4d38e7918ae5a

SHA512
43a5ce99b6138c3278c68ad9ec984efb9952aed1780f9fd5e2574d26b39d8fd465e92d66475cd79c41984613e62fc3df67e2bbd4a63fb311d66e9e4b8f230b8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EP3AP.tmp\ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp

Filesize
680KB

MD5
29ac48e0713a4220ff4b4b47efe542b4

SHA1
9ea8bdf5547a541b755f4b2c0bc14bf817885e94

SHA256
deead3dd651930ad0bec5d7bae647d7a1637b48bb7495593995218c4cd6dd67c

SHA512
501cdc7df40fb0cd1a114b4d5f5dcab765141c58f29bafa1e4a816319354a3d6d9e0d4b2ee5a2fad64f3fb08fb7bbdaad30551587a875f8fbdc2acdb8f67a3d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VC8EU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VC8EU.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
memory/2428-66-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/2428-71-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/2428-69-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/2428-65-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-81-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-94-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/3304-126-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-74-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-75-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-123-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-119-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/3304-78-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-118-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/3304-82-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-85-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-88-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-91-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-117-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-96-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-102-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-105-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-108-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-111-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3304-114-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/4208-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4208-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4540-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4540-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4540-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
4208	ea1b4709e5c7dd66390f76aeaf122d6339346ef90eefe2d9c47786cdca28c44f.tmp
2428	midiplayer32.exe
3304	midiplayer32.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads