socks5systemz | e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475

General

Target

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe
Size

5.9MB
MD5

8a800f13292ffdc85ddec778f3500f93
SHA1

a7c4f20adc12b89b57a73c7f2f004ad196e4de1a
SHA256

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475
SHA512

f75e232c05dd59bb6f824c29dc662456cb96674a949049cc6633944a90e92d2ce697c82979d4d61f7bdc85f82296e6ca2373e426470e54ba7100d2dc84a33a14
SSDEEP

98304:4px0pJKeSccP/dqaN6tC3QW7QkGEA3fWDvZkMdRFOhlPnHwGSMGcSulyoIvq:ExkJKB3ditCg+QxEA3fmvZ5TOhlfRNSS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4160-108-0x0000000000A50000-0x0000000000AF2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmphdvideoconverterfox32.exe

pid	Process
4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp
4160	hdvideoconverterfox32.exe

Loads dropped DLL 1 IoCs

Processes:

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

pid	Process
4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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

Processes:

net1.exee8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exee8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmphdvideoconverterfox32.exenet.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hdvideoconverterfox32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

pid	Process
4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp
4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

pid	Process
4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exee8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmpnet.exe

description	pid	Process	procid_target
PID 4408 wrote to memory of 4472	4408	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe	82
PID 4408 wrote to memory of 4472	4408	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe	82
PID 4408 wrote to memory of 4472	4408	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe	82
PID 4472 wrote to memory of 3120	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	86
PID 4472 wrote to memory of 3120	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	86
PID 4472 wrote to memory of 3120	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	86
PID 4472 wrote to memory of 4160	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	88
PID 4472 wrote to memory of 4160	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	88
PID 4472 wrote to memory of 4160	4472	e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp	88
PID 3120 wrote to memory of 436	3120	net.exe	89
PID 3120 wrote to memory of 436	3120	net.exe	89
PID 3120 wrote to memory of 436	3120	net.exe	89

C:\Users\Admin\AppData\Local\Temp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe
"C:\Users\Admin\AppData\Local\Temp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Users\Admin\AppData\Local\Temp\is-Q5UPA.tmp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-Q5UPA.tmp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp" /SL5="$A004C,5946423,56832,C:\Users\Admin\AppData\Local\Temp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.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:4472
- - 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:3120
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause hd_video_converter_fox_124
      4⤵
      System Location Discovery: System Language Discovery
      PID:436
- - 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:4160

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.4\hdvideoconverterfox32.exe

Filesize
4.2MB

MD5
9c3921f6cacfae42821c231075ae2974

SHA1
dc88855f945a051d33bc0825cdd58859d9393d11

SHA256
e52e124810a588d1234603dea352068c6af9fa91ec62246f24944c6c25499487

SHA512
4f6c12ad070ddcb8e9d562740f9392fa55d759486e3c35c5695482f804d6fa67c4627c6976d368cc4da17b1d90930f20ab5abf47eb3f793d429e164d30eda3ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-713CI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q5UPA.tmp\e8a1d20f9f235928e58c2feeda7d1e42beef21d9476483af80cb045d60a0c475.tmp

Filesize
692KB

MD5
7ec465bcc2697f044dd5a1175acedcee

SHA1
7ad782884152b919e5b72eda8bd0e584e2609b82

SHA256
5c5d491884bc5e9acfb7b32b21f106a9c8c68b6d1cc720704a534fc53b987350

SHA512
d308f1ad3df06f07dfaffa4f409a4943ed5adf3a5873fd5d971b5b9102a500c1bb8c6839d733323c5dda8fafe51bf6f1ce0d8931a27f21ae771154fde9e78a4a

Download Submit
memory/4160-98-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-122-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-138-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-84-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-85-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-87-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-135-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-131-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-91-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-92-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-95-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-128-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-101-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-104-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-108-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/4160-109-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-115-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-118-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-119-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4160-125-0x0000000000400000-0x0000000000830000-memory.dmp

Filesize
4.2MB

Download
memory/4408-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4408-89-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4408-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4472-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4472-88-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads