socks5systemz | 1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea

General

Target

1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe
Size

5.3MB
MD5

4f290cde37a5fdcc66256848324fc4af
SHA1

451c612f6c666b22b5cb783f6f27e37ddebe403d
SHA256

1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea
SHA512

d31830650d1102be0d2a4d3a4d9c8e942cd1b1525658735f801546bdd3866bcb9a8fdf78c97b6db7b7f08ca8d0c2c62f421f0d3404df2b20fdacc060c11b4167
SSDEEP

98304:mQq3QdAwFnwqhXxC7IMJJz7WTfcttPqflIkfNHirbMRmndaw7O1fRMq5R3d0uPxH:vkQdxnjJMzz7ol5NM9h7OjzCuPtoMP

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2252-92-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/2252-114-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/2252-115-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp
3444	cdplayer.exe
2252	cdplayer.exe

Loads dropped DLL 3 IoCs

pid	Process
2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp
2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp
2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

pid	Process
2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2428	1704	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe	83
PID 1704 wrote to memory of 2428	1704	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe	83
PID 1704 wrote to memory of 2428	1704	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe	83
PID 2428 wrote to memory of 3444	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	87
PID 2428 wrote to memory of 3444	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	87
PID 2428 wrote to memory of 3444	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	87
PID 2428 wrote to memory of 2252	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	88
PID 2428 wrote to memory of 2252	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	88
PID 2428 wrote to memory of 2252	2428	1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp	88

C:\Users\Admin\AppData\Local\Temp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe
"C:\Users\Admin\AppData\Local\Temp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\is-C3UGR.tmp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C3UGR.tmp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp" /SL5="$60162,5287383,54272,C:\Users\Admin\AppData\Local\Temp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
    "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3444
- - C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
    "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2252

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\Temp\is-C3UGR.tmp\1686ba7c93a2cab0fbc1c93391637d4ee87e926baa6746bee740972e1c2d75ea.tmp

Filesize
680KB

MD5
d0780f5ad40a0179ca8bf0dbd78c5f7b

SHA1
97f7b9fcbd1d5be38ef45dd16666cc08cc4ce5b4

SHA256
cea84b5bc10f3bd7eadb14a4313618999ce4832840422fcd793f462530ff0905

SHA512
e9db89df914e5289e7f3b1f3c00c46ee0fbba607ec1736bdc22323a520ab331978c1e961f821eb4f4e70e76d0700d690549fe8f5603919ca46d80a0998d882ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LFJ38.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LFJ38.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe

Filesize
2.8MB

MD5
39b466f9bd8c326e0c43ce405e1e405e

SHA1
caaa186e2b38ec3625284145d8db11927cd3f701

SHA256
21b23c6e5aed4b707d958cc55ee659d90e089f3baf025958dc15bdb05c05aa38

SHA512
6e450d60b30b0abd29e3e189baed9b2c1c8e1b9024c2b9dc790705668d9131b1b3ab1748e5099b7e56fda4121b8bdd9184bc12ea11732c684b91ef7fb6fb18df

Download Submit
memory/1704-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1704-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-99-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-105-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-123-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-120-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-73-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-116-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-115-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2252-77-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-80-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-83-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-86-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-89-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-92-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2252-94-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-114-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/2252-102-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-111-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2252-108-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/2428-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2428-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3444-66-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3444-65-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3444-71-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download
memory/3444-67-0x0000000000400000-0x00000000006D1000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing