socks5systemz | 99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222

General

Target

99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe
Size

3.7MB
MD5

72432f5f8f6efdad1cfa81f64cc67e05
SHA1

28e764862e2df7e07f2cb16cd96f8200c509feaa
SHA256

99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222
SHA512

a54b43d8f48b5c16047e33f22e5aea6c737fd2aa02b956629c0cacba5ef63522d9e8114b34911eaf286624bc9510b6083692db8654eebb9ddad24615a78e4f8f
SSDEEP

98304:NcM08KUPOJJtNhn+iYfJm6nXhrfFhFD9dC2:N04PkJvhn+R91DLC2

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3680-73-0x0000000000A90000-0x0000000000B32000-memory.dmp	family_socks5systemz
behavioral2/memory/3680-102-0x0000000000A90000-0x0000000000B32000-memory.dmp	family_socks5systemz
behavioral2/memory/3680-103-0x0000000000A90000-0x0000000000B32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp
3680	altergame32.exe

Loads dropped DLL 2 IoCs

pid	Process
400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp
3680	altergame32.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	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

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	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	altergame32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp
400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 400	856	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe	85
PID 856 wrote to memory of 400	856	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe	85
PID 856 wrote to memory of 400	856	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe	85
PID 400 wrote to memory of 1984	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	87
PID 400 wrote to memory of 1984	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	87
PID 400 wrote to memory of 1984	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	87
PID 400 wrote to memory of 3680	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	89
PID 400 wrote to memory of 3680	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	89
PID 400 wrote to memory of 3680	400	99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp	89
PID 1984 wrote to memory of 216	1984	net.exe	90
PID 1984 wrote to memory of 216	1984	net.exe	90
PID 1984 wrote to memory of 216	1984	net.exe	90

C:\Users\Admin\AppData\Local\Temp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe
"C:\Users\Admin\AppData\Local\Temp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Local\Temp\is-67JQK.tmp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-67JQK.tmp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp" /SL5="$C01DA,3596893,54272,C:\Users\Admin\AppData\Local\Temp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.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:400
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause alter_game_11196
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1984
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause alter_game_11196
      4⤵
      System Location Discovery: System Language Discovery
      PID:216
- - C:\Users\Admin\AppData\Local\AlterGame 1.12\altergame32.exe
    "C:\Users\Admin\AppData\Local\AlterGame 1.12\altergame32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3680

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\AlterGame 1.12\altergame32.exe

Filesize
4.3MB

MD5
d7d00b4a4e3c9860acb353a9f034ea0c

SHA1
69edcd492cbca4ea39f2e4cab7983a0e580c8287

SHA256
aede2717ce5eb3f4e44084676001e20374179d81c6784b74053462ced1715ac9

SHA512
9bc904c810be71ee655e17392d6e7fa36b83734c3750c00a6d2ef162487ba57da9bde5fb6ddcb94d0083e9146fef7f5aa3a9916e8c139a66417ea53ca543ea6e

Download Submit
C:\Users\Admin\AppData\Local\AlterGame 1.12\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-67JQK.tmp\99a17430ddcc7c922b72786c7d158679b98a380d9d9e8cbccb3bbb040076e222.tmp

Filesize
687KB

MD5
4aca1a6ee958d18b29b67cc2db0c12fc

SHA1
d2fc814acf071d60e8d4837cbde99c95369704ef

SHA256
851d58ef4d3e8d34ab460ceccafb311542988b52c44a1c3de897b8ad069cea56

SHA512
0b78115c71b12c448b77fbae2f02ba27a2dc1f48ecdaf3fb9d6a2bd8ecc201556acfc13f9f6d0cd4123fa9f866826de59eeeff2ec9ec63e829a47a8dc8c00648

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I2K5K.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/400-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/400-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/856-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/856-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/856-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3680-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3680-73-0x0000000000A90000-0x0000000000B32000-memory.dmp

Filesize
648KB

Download
memory/3680-44-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-51-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-52-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-43-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-56-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-60-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-64-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-68-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-72-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-47-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-80-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-84-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-88-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-92-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-96-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-100-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-102-0x0000000000A90000-0x0000000000B32000-memory.dmp

Filesize
648KB

Download
memory/3680-103-0x0000000000A90000-0x0000000000B32000-memory.dmp

Filesize
648KB

Download
memory/3680-107-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download
memory/3680-111-0x0000000000400000-0x0000000000847000-memory.dmp

Filesize
4.3MB

Download

Analysis

Sharing