socks5systemz | 4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9

General

Target

4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe
Size

4.8MB
MD5

716b54f54884014e4b4a3752d5c29c27
SHA1

20daa62a43bb71dfd2fddb73a5e3266f7b45bc37
SHA256

4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9
SHA512

30b39f3c333ee45cdabcb7c022a16628923bccb4ee7f785f9ae7b95fd488244ad4f0a64114417c57205a5d77d0a6d9d09d3fae907bb09f0c542a4df2954c2852
SSDEEP

98304:NHVNQ7L47z/NnsJqDeggUEA7/zYYZrk9VbVTyO7ecYB+CiFAw:nh7zln7ihVGzYYk9NVTyO6cYBWFAw

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4172-99-0x0000000000BD0000-0x0000000000C72000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp
4172	videoenhancer3.exe

Loads dropped DLL 2 IoCs

pid	Process
3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp
4172	videoenhancer3.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	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

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	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videoenhancer3.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	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp
3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3596	448	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe	83
PID 448 wrote to memory of 3596	448	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe	83
PID 448 wrote to memory of 3596	448	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe	83
PID 3596 wrote to memory of 2776	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	85
PID 3596 wrote to memory of 2776	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	85
PID 3596 wrote to memory of 2776	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	85
PID 3596 wrote to memory of 4172	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	87
PID 3596 wrote to memory of 4172	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	87
PID 3596 wrote to memory of 4172	3596	4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp	87
PID 2776 wrote to memory of 1768	2776	net.exe	88
PID 2776 wrote to memory of 1768	2776	net.exe	88
PID 2776 wrote to memory of 1768	2776	net.exe	88

C:\Users\Admin\AppData\Local\Temp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe
"C:\Users\Admin\AppData\Local\Temp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\is-GJV7D.tmp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-GJV7D.tmp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp" /SL5="$C0064,4793721,54272,C:\Users\Admin\AppData\Local\Temp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.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:3596
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause video_enhancer_11183
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause video_enhancer_11183
      4⤵
      System Location Discovery: System Language Discovery
      PID:1768
- - C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe
    "C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4172

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-GJV7D.tmp\4b8a14d76f8267ef6ccfab67a1425efc470138e9fae7b4f72e878de4050806f9.tmp

Filesize
692KB

MD5
4c3378c1c0100dcfc5cc945a00599b6c

SHA1
8ccac84ae7c5365d0121da7055cb52ad47ee49f7

SHA256
9b000413ed0ca7df20ceec174bcb1e9ce1d270b3a427d409648b276fd661ad80

SHA512
b7162b2f2ddef59029c217c92d2c62428c0a51844b33fdf2791333829344f1ca7b86871666f4ff9b5bc4298eabfa60e006b0502b9dff205979e73e65b1e25aa2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-P3NPK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\VCALabs Video Enhancer 1.3.1.13\videoenhancer3.exe

Filesize
4.7MB

MD5
c9cdcb1c02cb28da666832cb02a6ed79

SHA1
7cc81470299efcd1fcda50d0af878e0b5d79b398

SHA256
cca722d4b7d21c8b06dc80d55912919f45d738e183c3ea00fc0222f4b50bcfea

SHA512
1aa251dc184d218fe48ecacc17de74343e79830df18875e7673ae8ffbc6c2f02cde10442b09ab6f07f6f6a23d1b9b9b18a2a6a04cea152fa49fab6b3f0515111

Download Submit
memory/448-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/448-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-73-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3596-13-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4172-77-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-93-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-69-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-76-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-78-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4172-68-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-81-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-85-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-89-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-72-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-97-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-99-0x0000000000BD0000-0x0000000000C72000-memory.dmp

Filesize
648KB

Download
memory/4172-105-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-109-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-113-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-117-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-121-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-125-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-130-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4172-134-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download

Analysis

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