socks5systemz | 629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a

General

Target

629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe
Size

5.9MB
MD5

4f45f92ed891851f055e0a5f969ad036
SHA1

b80ace1a39697628a16605a8cd0629c0c546bb52
SHA256

629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a
SHA512

2730f73e000c3011bae7c368c4bdec33b80377cf1a4e8e45672d25ba92b0599110d517b6a6995f76177951496f39368ef642329f39c1e55c4dcc08f06d188fd5
SSDEEP

98304:4+f3nZbQV0HosXz9veDpvNfA+b6fJLLBsNCQoSVDXXAu5lfLj97hwcx6hPQp39Sv:n3nuV0IsXz9QpvNfAG6f5KCLS1XAUlfs

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4368-107-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral2/memory/4368-131-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral2/memory/4368-132-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp
4368	hdvideoconverterfox32.exe

Loads dropped DLL 1 IoCs

pid	Process
2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp

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	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hdvideoconverterfox32.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
2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp
2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 2292	4508	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe	86
PID 4508 wrote to memory of 2292	4508	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe	86
PID 4508 wrote to memory of 2292	4508	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe	86
PID 2292 wrote to memory of 1012	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	89
PID 2292 wrote to memory of 1012	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	89
PID 2292 wrote to memory of 1012	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	89
PID 2292 wrote to memory of 4368	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	90
PID 2292 wrote to memory of 4368	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	90
PID 2292 wrote to memory of 4368	2292	629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp	90
PID 1012 wrote to memory of 32	1012	net.exe	92
PID 1012 wrote to memory of 32	1012	net.exe	92
PID 1012 wrote to memory of 32	1012	net.exe	92

C:\Users\Admin\AppData\Local\Temp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe
"C:\Users\Admin\AppData\Local\Temp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp" /SL5="$7006E,5969031,56832,C:\Users\Admin\AppData\Local\Temp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.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:2292
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause hd_video_converter_fox_124
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1012
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause hd_video_converter_fox_124
      4⤵
      System Location Discovery: System Language Discovery
      PID:32
- - C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe
    "C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4368

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\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe

Filesize
4.2MB

MD5
55ecf14e13251d6d258be815201b76f8

SHA1
64af96ff70ca9e59c38826966570831024dbacaa

SHA256
d1e0121def317df55f64fb1133e7487ad006a04aa2217efdb67f6bec78177202

SHA512
06b20801526c72145fd845677e8448be8d1de955be365b8cda73a70c4704efe7a33aec12681652ca5c657f5fe671fc085003ca391a052ffae360ef6dbe9ee97d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0AG84.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LBBTB.tmp\629255043b671aca6dfd46a9c7e9de1a433c7a3892989da029bf9d7b60c30a7a.tmp

Filesize
692KB

MD5
59dd0a2d9278686128e9f7e5f5cb5c3b

SHA1
5ac59a1246aefc5fe972d8643810d8d3d32e3d7c

SHA256
2cc2cc41298dae8a903b8b3245be74ec56683b0ea1c3aa38f695995754b5daf5

SHA512
d9963307790420f61d6f9622faafbdd0f7e11a683ed7b942f98157f8d633881310cfa5b9b7ca1b00075fb8d575942b46a3f8e119b6d3978624ba085dee544d9b

Download Submit
memory/2292-88-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2292-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4368-100-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-107-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4368-85-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-87-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-139-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-136-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-91-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-94-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-97-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-132-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4368-103-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-84-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-108-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-114-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-117-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-118-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-121-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-124-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-127-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-130-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4368-131-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4508-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4508-89-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4508-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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