socks5systemz | 71f8685ec48d0623886c9cf10bc1bc806586904c939aa28d20f9a253d45b623f

General

Target

038c7d5697bfbe553717357809e621bf.exe
Size

3.6MB
MD5

038c7d5697bfbe553717357809e621bf
SHA1

1264a6bc374db430ce8007b99cc6b10ad0f14c9e
SHA256

71f8685ec48d0623886c9cf10bc1bc806586904c939aa28d20f9a253d45b623f
SHA512

5efd09421e9d4fbd295f1837416c4c6221dd658b95133ae6c9adfbdec803ae7f0d78404e43352db35f570ea3330850a7a93463452435e3980c59e7f99978e4c9
SSDEEP

98304:Nq7HAHRAuq+jR377VPm3v9exaG/ak4Rac/8fEUbEOUJS:M7yAuq+jR37thxaG/waU+ZEOj

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1032-73-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral2/memory/1032-105-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral2/memory/1032-104-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
5084	038c7d5697bfbe553717357809e621bf.tmp
1032	videocapturesolution32.exe

Loads dropped DLL 2 IoCs

pid	Process
5084	038c7d5697bfbe553717357809e621bf.tmp
1032	videocapturesolution32.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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videocapturesolution32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	038c7d5697bfbe553717357809e621bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	038c7d5697bfbe553717357809e621bf.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5084	038c7d5697bfbe553717357809e621bf.tmp
5084	038c7d5697bfbe553717357809e621bf.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5084	038c7d5697bfbe553717357809e621bf.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 5084	2372	038c7d5697bfbe553717357809e621bf.exe	83
PID 2372 wrote to memory of 5084	2372	038c7d5697bfbe553717357809e621bf.exe	83
PID 2372 wrote to memory of 5084	2372	038c7d5697bfbe553717357809e621bf.exe	83
PID 5084 wrote to memory of 4940	5084	038c7d5697bfbe553717357809e621bf.tmp	84
PID 5084 wrote to memory of 4940	5084	038c7d5697bfbe553717357809e621bf.tmp	84
PID 5084 wrote to memory of 4940	5084	038c7d5697bfbe553717357809e621bf.tmp	84
PID 5084 wrote to memory of 1032	5084	038c7d5697bfbe553717357809e621bf.tmp	85
PID 5084 wrote to memory of 1032	5084	038c7d5697bfbe553717357809e621bf.tmp	85
PID 5084 wrote to memory of 1032	5084	038c7d5697bfbe553717357809e621bf.tmp	85
PID 4940 wrote to memory of 940	4940	net.exe	87
PID 4940 wrote to memory of 940	4940	net.exe	87
PID 4940 wrote to memory of 940	4940	net.exe	87

C:\Users\Admin\AppData\Local\Temp\038c7d5697bfbe553717357809e621bf.exe
"C:\Users\Admin\AppData\Local\Temp\038c7d5697bfbe553717357809e621bf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\is-BDG69.tmp\038c7d5697bfbe553717357809e621bf.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-BDG69.tmp\038c7d5697bfbe553717357809e621bf.tmp" /SL5="$5022C,3526895,54272,C:\Users\Admin\AppData\Local\Temp\038c7d5697bfbe553717357809e621bf.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:5084
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause video_capture_solution_11223
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause video_capture_solution_11223
      4⤵
      System Location Discovery: System Language Discovery
      PID:940
- - C:\Users\Admin\AppData\Local\Video Capture Solution 1.33\videocapturesolution32.exe
    "C:\Users\Admin\AppData\Local\Video Capture Solution 1.33\videocapturesolution32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1032

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\Temp\is-76CD8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BDG69.tmp\038c7d5697bfbe553717357809e621bf.tmp

Filesize
687KB

MD5
2a520a4553d90f23218a97b9476d232a

SHA1
1c279178a6b5ffb3fcf6b946c63abcbc81d6505e

SHA256
65bdc20123135632bbe83ebb1ec3e4dc2f29d0446caa7ce7d02e15954666fa27

SHA512
dfdfe497851745ccb3698c574acacdeddad2b830b63c98c52a2b382e4a6ef70fc65f9b98d12b257ae8ac2cd381ad80d9af912afa16e14feac3e1aeaec30e5e04

Download Submit
C:\Users\Admin\AppData\Local\Video Capture Solution 1.33\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Video Capture Solution 1.33\videocapturesolution32.exe

Filesize
3.1MB

MD5
f980db1c4941de93ea4a88045d20f6d5

SHA1
990341e89ae748b370ccf38ca167ff9a8d548256

SHA256
0325826fd16cec2ab3f6c56c29b800ebc9e4c33c686ba1d17871b7e3c3091479

SHA512
50b31f989af64ca6eef354cdab52041fe0eb5ef3d3bb57295ae9130ee7d50c1172de921381523e9388524050e1dbb1b1be3f0d81a7321e9e43ca68c124b67c9c

Download Submit
memory/1032-60-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-86-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-42-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-113-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-43-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-47-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-109-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-104-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1032-51-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-52-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1032-56-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-105-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1032-64-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-68-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-73-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1032-75-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-81-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-83-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-102-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-90-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-94-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/1032-98-0x0000000000400000-0x0000000000727000-memory.dmp

Filesize
3.2MB

Download
memory/2372-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5084-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/5084-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

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