socks5systemz | ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd

General

Target

ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe
Size

5.8MB
MD5

55ebb627583fb00d5ac3605f08664aa4
SHA1

751d12ba6fb70b0b493c7447951d4a4da10580a3
SHA256

ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd
SHA512

3934b408ab53f134fc115cfbb3c08bfd7621db8e1269264c2c989c5c79ee48814367c20e1bb9bafe61f654627ebc4fc408ee3748209e5a515b159a82e6f066a8
SSDEEP

98304:4aSW8ENjhr9z1lpxy1EYcy7DV7ckN2MQK9aeMJPRdZZeZeN8/dzuaaONXSRBV7oY:53jF9ZOEC7tw29VMJPTnebdizwXuYigy

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 6 IoCs

resource	yara_rule
behavioral2/memory/4892-104-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/4892-129-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/4892-130-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/4892-138-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/4892-139-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral2/memory/4892-141-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp
4892	cutmovie32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.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	91.211.247.248

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	cutmovie32_64.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	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp
4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 4052	1624	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe	83
PID 1624 wrote to memory of 4052	1624	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe	83
PID 1624 wrote to memory of 4052	1624	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe	83
PID 4052 wrote to memory of 4128	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	87
PID 4052 wrote to memory of 4128	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	87
PID 4052 wrote to memory of 4128	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	87
PID 4052 wrote to memory of 4892	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	88
PID 4052 wrote to memory of 4892	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	88
PID 4052 wrote to memory of 4892	4052	ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp	88
PID 4128 wrote to memory of 2824	4128	net.exe	90
PID 4128 wrote to memory of 2824	4128	net.exe	90
PID 4128 wrote to memory of 2824	4128	net.exe	90

C:\Users\Admin\AppData\Local\Temp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe
"C:\Users\Admin\AppData\Local\Temp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\is-FAQ9P.tmp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FAQ9P.tmp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp" /SL5="$7028E,5850870,56832,C:\Users\Admin\AppData\Local\Temp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.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:4052
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause cut_movie_1174
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4128
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause cut_movie_1174
      4⤵
      System Location Discovery: System Language Discovery
      PID:2824
- - C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe
    "C:\Users\Admin\AppData\Local\Cut Movie 19.3.35\cutmovie32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4892

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\Cut Movie 19.3.35\cutmovie32_64.exe

Filesize
3.5MB

MD5
54f0100366b2a4186814cbf0ce7b590c

SHA1
54e6e62348fe82d92b28a216185ef5b3d3036f6a

SHA256
2d81f47c95caa3d65efedc3bb37718e85e77d819b00896a1df7fb7729a0b7257

SHA512
a49de2b4e4d9606c296482fd7e6e69312361159371555a185ee22f1ccddadb27eebe0218d328ac9407a768e999d691b63db3dadfceba63516fae3b69016834bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVMP7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FAQ9P.tmp\ae24275f5299cf7d209a13a7315e271d5fd0ea728ce2371e7b65045b196053fd.tmp

Filesize
692KB

MD5
28838580325da7ae59739e5e3961b2f2

SHA1
161f1b9afbbc27813016ee514989ff243076da71

SHA256
72b954bbb237e3edda77ebf9043a6c4e90f80dc21c01ae2c4d2c51ff356f6746

SHA512
21d869bfd62a11dd9370bdc7a9c49fe5d16eb2327b0d2b69d1ef3eefe00ff20482e517fa251e21139a7136b2c2c16f61c75ccf977bb1c03552cb2744120409d5

Download Submit
memory/1624-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1624-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-85-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4052-84-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4052-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4892-100-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-115-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-81-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-87-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-88-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-91-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-94-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-97-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-80-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-104-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4892-105-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-112-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-111-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-83-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-116-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-119-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-122-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-125-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-128-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-129-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4892-130-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4892-134-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-137-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4892-138-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4892-139-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4892-141-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download

Analysis

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