socks5systemz | 3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768

General

Target

3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe
Size

5.9MB
MD5

18bef1f4174c1efeb27fbe4cf171015a
SHA1

7b35356ef910eecca28e429bc3d015baf4e5c915
SHA256

3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768
SHA512

8e4a391f2e7d667148814c72b0eb297d24ac760e055a76426b6fa0be455863f558b6e2067a3b8f0cf97aaf0d7bca40d20731aae9cdf1dba2e25ab5fcd3cdcd57
SSDEEP

98304:4yPYU3Ac4FhSyvypYvChy5Puem7Q30RpSmqVAHOasF4hexxEakXWw/+AA:QerNpYvCgQeeQ3gsVAHfhuxEakmNX

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2524-108-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp
2524	cutmovie.exe

Loads dropped DLL 1 IoCs

pid	Process
3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.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	152.89.198.214

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	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cutmovie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp
3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3952	4044	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe	86
PID 4044 wrote to memory of 3952	4044	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe	86
PID 4044 wrote to memory of 3952	4044	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe	86
PID 3952 wrote to memory of 2176	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	87
PID 3952 wrote to memory of 2176	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	87
PID 3952 wrote to memory of 2176	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	87
PID 3952 wrote to memory of 2524	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	88
PID 3952 wrote to memory of 2524	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	88
PID 3952 wrote to memory of 2524	3952	3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp	88
PID 2176 wrote to memory of 4252	2176	net.exe	90
PID 2176 wrote to memory of 4252	2176	net.exe	90
PID 2176 wrote to memory of 4252	2176	net.exe	90

C:\Users\Admin\AppData\Local\Temp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe
"C:\Users\Admin\AppData\Local\Temp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\is-JKEF3.tmp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-JKEF3.tmp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp" /SL5="$A004E,5925560,56832,C:\Users\Admin\AppData\Local\Temp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.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:3952
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause cut_movie_1171
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2176
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause cut_movie_1171
      4⤵
      System Location Discovery: System Language Discovery
      PID:4252
- - C:\Users\Admin\AppData\Local\Cut Movie 2022.2.01\cutmovie.exe
    "C:\Users\Admin\AppData\Local\Cut Movie 2022.2.01\cutmovie.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2524

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 2022.2.01\cutmovie.exe

Filesize
3.8MB

MD5
dd12a814996196daae6bf65afbda96a2

SHA1
51c16f71863783a800c69c46b033f4a9c057d3ca

SHA256
4b4fc1c444cc537430285b6d0c946f0efa3863cb6488d4030d090faefa1d986e

SHA512
cb1b3c2db951cac10559702b16b576700bc7e01734ba9a2b0acd5c72b9be9a9a5a8b1fe87c475b3ebed9676936a3bbd1b198b54d1e39ebdf47cf56139665b51e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JKEF3.tmp\3e7097b65eac8e7001e55b3f7efd16f90fed28a83f98a0f32bf57eccd3590768.tmp

Filesize
692KB

MD5
c42715bbba54410ee6d515e1b4feb620

SHA1
3748bacde0e4a916ed995f6e71aa6511e0aa4f50

SHA256
e8b3fa202dad7145dd78609ea4fcb3a3881e5f52c02b90d9c280834153891aed

SHA512
62359e8eb269812694cf07f8c47e75c5c77ad7070e2647b0a2e06badebfaaf4bc4cd41bb0eaea56cfdd33f650836a7f27953332afd4e06d7c8a58fbe9f4125e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OOV8F.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2524-98-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-120-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-139-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-84-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-85-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-87-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-136-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-132-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-91-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-92-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-95-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-129-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-101-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-104-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-108-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/2524-109-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-115-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-116-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-119-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-126-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/2524-123-0x0000000000400000-0x00000000007DB000-memory.dmp

Filesize
3.9MB

Download
memory/3952-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3952-88-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4044-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4044-89-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4044-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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