socks5systemz | 8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50

General

Target

8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe
Size

3.6MB
MD5

be822430f7d5c3b0a25dc7fddf6f8094
SHA1

6b1d3d132b5fbebb97591f6b37d244a7a39384da
SHA256

8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50
SHA512

c5982796cffee0938a8277c8126950a5fc7f024959b445d960daf02efa82b27c92b509050353e31ea929f0accbe9730f3e5e174e89fff307ad9db5d3fff64cea
SSDEEP

98304:N++1gkUAfhgpMB5vT6rW59EKT2iSpNIxwXI9d6k:E+1DfhVrjEREG4L3

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1680-75-0x0000000000A20000-0x0000000000AC2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp
1680	altergame32.exe

Loads dropped DLL 2 IoCs

pid	Process
3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp
1680	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	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	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.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
3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp
3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3500	2788	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe	83
PID 2788 wrote to memory of 3500	2788	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe	83
PID 2788 wrote to memory of 3500	2788	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe	83
PID 3500 wrote to memory of 1672	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	85
PID 3500 wrote to memory of 1672	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	85
PID 3500 wrote to memory of 1672	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	85
PID 3500 wrote to memory of 1680	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	87
PID 3500 wrote to memory of 1680	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	87
PID 3500 wrote to memory of 1680	3500	8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp	87
PID 1672 wrote to memory of 1488	1672	net.exe	88
PID 1672 wrote to memory of 1488	1672	net.exe	88
PID 1672 wrote to memory of 1488	1672	net.exe	88

C:\Users\Admin\AppData\Local\Temp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe
"C:\Users\Admin\AppData\Local\Temp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\is-DRK3F.tmp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DRK3F.tmp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp" /SL5="$80050,3476222,54272,C:\Users\Admin\AppData\Local\Temp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.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:3500
- - 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:1672
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause alter_game_11196
      4⤵
      System Location Discovery: System Language Discovery
      PID:1488
- - 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:1680

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\AlterGame 1.12\altergame32.exe

Filesize
4.0MB

MD5
696a30b5346dc1bd63ad63fc4c609ede

SHA1
15768f7632793dcba0f7ca2f160dc154b55a1ba1

SHA256
24cd5097991f28d8f3ec267650a5f052345d2621f5ba4394c881b8a6a264c59b

SHA512
3e4181adc4ce0813829f3d4c78b8a2393332c8ab9300c3f5e57454b31170e892e1a2eaa4caea384a3058c34ab27edbddc937946005b9b807b0226c27d74716ca

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-8SSI9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DRK3F.tmp\8f41c5ec731573cefbd685b32c7715cf9872aff51d1e2d454c838956bf5aff50.tmp

Filesize
687KB

MD5
a370643b8ab4f8d43d04ec21d5c5279b

SHA1
a6826280e5f049fb53d616b901500a44ac8d3fe3

SHA256
2d214663ebd4ce3be4759317a0e387782bdd2237baa2a689cf0c615c26a57218

SHA512
33720c687759c209e88200d300bbfc34f35cbb6a48ac80a57daa068f8f626b733ac3686ef07a4c7f14dd8e40f07779e8fe75acdf80e80a1b35ada9f7fc20d4b4

Download Submit
memory/1680-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1680-85-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-110-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-41-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-44-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-45-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-106-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-101-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-51-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-52-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-97-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-54-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-57-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-61-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-65-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-69-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-73-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-75-0x0000000000A20000-0x0000000000AC2000-memory.dmp

Filesize
648KB

Download
memory/1680-81-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-93-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/1680-89-0x0000000000400000-0x0000000000811000-memory.dmp

Filesize
4.1MB

Download
memory/2788-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3500-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3500-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

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