socks5systemz | 294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10

General

Target

294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe
Size

3.5MB
MD5

6127e25953cfdb8ad417b2ac7580b7cd
SHA1

684515648dadac4ee6fde0ac9d11f1ff0d750248
SHA256

294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10
SHA512

7454f84c57a6b7cdecfd9f462a40226eb32a0b718cc162aca08dfcca70d643cd54704d5a583c44ffb05821a7a9d0ff7563959db58cf5cd531f1cd24735f02da8
SSDEEP

98304:NAwpJNWV3XO1KJyzStaMySUJIYUIjvq0UAso80ovZ18CY:OSJ0V3XOcIzfSwI1Ijq0Uj28r8t

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4444-73-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz
behavioral2/memory/4444-104-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz
behavioral2/memory/4444-105-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp
4444	berryplayer.exe

Loads dropped DLL 2 IoCs

pid	Process
556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp
4444	berryplayer.exe

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	141.98.234.31

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

System Location Discovery: System Language Discovery 1 TTPs 5 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	berryplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp
556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 556	848	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe	82
PID 848 wrote to memory of 556	848	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe	82
PID 848 wrote to memory of 556	848	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe	82
PID 556 wrote to memory of 4228	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	83
PID 556 wrote to memory of 4228	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	83
PID 556 wrote to memory of 4228	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	83
PID 556 wrote to memory of 4444	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	84
PID 556 wrote to memory of 4444	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	84
PID 556 wrote to memory of 4444	556	294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp	84
PID 4228 wrote to memory of 2096	4228	net.exe	86
PID 4228 wrote to memory of 2096	4228	net.exe	86
PID 4228 wrote to memory of 2096	4228	net.exe	86

C:\Users\Admin\AppData\Local\Temp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe
"C:\Users\Admin\AppData\Local\Temp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\is-2UL79.tmp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2UL79.tmp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp" /SL5="$6021A,3391079,54272,C:\Users\Admin\AppData\Local\Temp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.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:556
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause berry_player_11272
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4228
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause berry_player_11272
      4⤵
      System Location Discovery: System Language Discovery
      PID:2096
- - C:\Users\Admin\AppData\Local\Berry Player 3.3.11\berryplayer.exe
    "C:\Users\Admin\AppData\Local\Berry Player 3.3.11\berryplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4444

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Berry Player 3.3.11\berryplayer.exe

Filesize
2.8MB

MD5
4fe5bd8f71843ffcf8109894f5bb8f62

SHA1
ef66de9122b7a0aac9730b9d42527ed23e8c56bd

SHA256
103da56ab7fbc7c2af443ec4b637399803a8a7de4f05f79421ada65b6879f06e

SHA512
675c5ff5fbf26f4c8258bf561d0720e7342c30ce09b3e0661fe30d183a60aa6295702ca5c2c7b2f6d470e7a75666dc76be29fbcced639e4c6751dd483a81b267

Download Submit
C:\Users\Admin\AppData\Local\Berry Player 3.3.11\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2UL79.tmp\294110e2a3b933750b662bd48e66474c8f25f7003bfc723aab453cc205a01b10.tmp

Filesize
687KB

MD5
7743e872513b292de835cf98f7f69d20

SHA1
08151365d50cb0ff09578a62dfd7bf88a3a2c5db

SHA256
0aad245123c3a8eb98c4ebdc13ae0bbd3e13a2b1b725950c8d75af46d561f022

SHA512
bfe6df2e122ce257d2ec0f155d24db515f5cf36ba8edd973e65585dd8fd86815c5d5a7e889910a4ecc124c236d60e2d9f0a3fd509298bfcd4ce638893ada958d

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/556-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/556-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/848-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/848-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/848-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4444-52-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-73-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/4444-47-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-51-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4444-42-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-56-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-60-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-64-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-68-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-75-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-43-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-83-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-86-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-90-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-94-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-98-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-102-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-104-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/4444-105-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/4444-109-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download
memory/4444-113-0x0000000000400000-0x00000000006DE000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing