socks5systemz | b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30

General

Target

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe
Size

5.9MB
MD5

aff2ec3e028db6126b8e1a35a7ac67a7
SHA1

4bb1e806abdfac214ea8d1b2e114c84df3373552
SHA256

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30
SHA512

83367d54815920b3c627f6bc0877224cfc06a58337f0fb8b23b3a6a92a3cd7286c6596ca199777289b36c2a95b76156b26750eb9de21cef14cf2bd372d8d8468
SSDEEP

98304:4Ab25ysxpLTi9B9SQbixHMbggnkpfWeGfYi7jKMQIf8fiMr+krBSIc3lmcH:oAB9SQbixHMbTkpfWBwJMQoGie+krBSF

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-113-0x0000000002B10000-0x0000000002BB2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmphdvideoconverterfox.exe

pid process

2196 b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2880 hdvideoconverterfox.exe

Loads dropped DLL 5 IoCs

Processes:

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exeb2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

pid	process
2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.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 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

description	ioc
Destination IP	45.155.250.90

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.exeb2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exeb2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmpnet.exehdvideoconverterfox.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hdvideoconverterfox.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

pid	process
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

pid process

2196 b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exeb2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmpnet.exe

description	pid	process	target process
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2960 wrote to memory of 2196	2960	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
PID 2196 wrote to memory of 2748	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	net.exe
PID 2196 wrote to memory of 2748	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	net.exe
PID 2196 wrote to memory of 2748	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	net.exe
PID 2196 wrote to memory of 2748	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	net.exe
PID 2196 wrote to memory of 2880	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	hdvideoconverterfox.exe
PID 2196 wrote to memory of 2880	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	hdvideoconverterfox.exe
PID 2196 wrote to memory of 2880	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	hdvideoconverterfox.exe
PID 2196 wrote to memory of 2880	2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp	hdvideoconverterfox.exe
PID 2748 wrote to memory of 2760	2748	net.exe	net1.exe
PID 2748 wrote to memory of 2760	2748	net.exe	net1.exe
PID 2748 wrote to memory of 2760	2748	net.exe	net1.exe
PID 2748 wrote to memory of 2760	2748	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe
"C:\Users\Admin\AppData\Local\Temp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\is-0IBUG.tmp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0IBUG.tmp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp" /SL5="$30144,5968574,56832,C:\Users\Admin\AppData\Local\Temp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.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:2196
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause hd_video_converter_fox_123
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause hd_video_converter_fox_123
      4⤵
      System Location Discovery: System Language Discovery
      PID:2760
- - C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.3\hdvideoconverterfox.exe
    "C:\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.3\hdvideoconverterfox.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2880

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

\Users\Admin\AppData\Local\HD Video Converter Fox 1.2.3\hdvideoconverterfox.exe

Filesize
4.3MB

MD5
514bc643dec6d120f13b7ca4a445fa83

SHA1
677f397e0b70fe0014e00c386f6d12004f03cbcb

SHA256
2bfb56f809ebbc9d00f0497796290dee841fe421ab7b8b8aca8db99fdfa3a620

SHA512
8cccdbd86d35c37185ebb2acb373a298241b5cdf9149e6849a49b0f00d7a967583af2febff9b250171a7c8566e7cadc36875cd5214d4f366270797de2abe07e0

Download Submit
\Users\Admin\AppData\Local\Temp\is-0IBUG.tmp\b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp

Filesize
692KB

MD5
90ed268c760a43fb3ea7e47b0fb64d07

SHA1
87491aa8dc33aa2f439e84cfa6820bf7082908ad

SHA256
a873111570d61f6480443e2c436f9f313d81abe4153f83e5b0d48e20c382f562

SHA512
b664546cab0eccad9197cb500f57f31250e45ce4c5739143f56363893efc3ff48117df58c360b900b256dde7043d63a31a0bfe96fdc48f97f07f92f42fb58f6d

Download Submit
\Users\Admin\AppData\Local\Temp\is-94F0L.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-94F0L.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2196-94-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2196-122-0x0000000003BA0000-0x0000000003FEC000-memory.dmp

Filesize
4.3MB

Download
memory/2196-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2196-89-0x0000000003BA0000-0x0000000003FEC000-memory.dmp

Filesize
4.3MB

Download
memory/2880-103-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-112-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-90-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-142-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-97-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-100-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-139-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-106-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-109-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-91-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-113-0x0000000002B10000-0x0000000002BB2000-memory.dmp

Filesize
648KB

Download
memory/2880-119-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-135-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-123-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-126-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-129-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2880-132-0x0000000000400000-0x000000000084C000-memory.dmp

Filesize
4.3MB

Download
memory/2960-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2960-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2960-95-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

pid	process
2196	b2ad1c4f18316b8d6bfb921d2e0b011fd9f9dd1da7161b39b9f83f5256e13f30.tmp
2880	hdvideoconverterfox.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads