socks5systemz | 782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba

General

Target

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe
Size

5.4MB
MD5

19f23553a2c632bd494146051095b728
SHA1

f41da01d070f8fd7bcf1f7ab215204c856323780
SHA256

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba
SHA512

8a2b6cb259832e2afed566a120504a22ddc4c4bc12e74e47db3ca4801b6c09c2ca6f61961ab9dc6158ef67f4122a853711ca73fa40bf6b1dcf461df95d97dbe3
SSDEEP

98304:Co3l9OnBmTBDWHFUtcPZ5vvelsAm0FDV7MaP8PZryUwK7lm8kfZzN5QxC0:Jl9OBmTcGtwZ5vGlsD0FaK8U/KlYRN5G

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/840-197-0x0000000002960000-0x0000000002A02000-memory.dmp	family_socks5systemz

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

Processes:

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmpavitb.exe

pid process

2364 782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
840 avitb.exe

pid	process
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
840	avitb.exe

Loads dropped DLL 5 IoCs

Processes:

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

pid	process
2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc
Destination IP	91.211.247.248

System Location Discovery: System Language Discovery 1 TTPs 3 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:

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmpavitb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avitb.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

pid process

2364 782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

pid	process
2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

description	pid	process	target process
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2116 wrote to memory of 2364	2116	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
PID 2364 wrote to memory of 840	2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp	avitb.exe
PID 2364 wrote to memory of 840	2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp	avitb.exe
PID 2364 wrote to memory of 840	2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp	avitb.exe
PID 2364 wrote to memory of 840	2364	782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp	avitb.exe

C:\Users\Admin\AppData\Local\Temp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe
"C:\Users\Admin\AppData\Local\Temp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\is-64M5B.tmp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-64M5B.tmp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp" /SL5="$40152,5458785,54272,C:\Users\Admin\AppData\Local\Temp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Users\Admin\AppData\Local\AVIToolbox\avitb.exe
    "C:\Users\Admin\AppData\Local\AVIToolbox\avitb.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:840

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\AVIToolbox\avitb.exe

Filesize
2.7MB

MD5
4304d24432a95706f6565ad0f2785efb

SHA1
6cd8a7ddc00f36616e45ad7c663764c8fddc128a

SHA256
122818fb0bfc9e8605253e5ded216255833819bd9d3c6a62494f6bba8a85667b

SHA512
8d3f083f9beb5322d7368509a37d924ab3dc4ba0d717f37b2478a5f10ecb7c4b24cd5779f02461dcdb0021bd068cf7b594e1988170791955237c3a6c36eb6fa6

Download Submit
\Users\Admin\AppData\Local\Temp\is-64M5B.tmp\782a34f523527698dbdee3881a90564f83f17a6f9ad3b67015322456d3ed40ba.tmp

Filesize
680KB

MD5
6e7518b0713aabcdad63b0c7fba4c176

SHA1
ffac91a74640238045ae1a3e7843def6a8fb87de

SHA256
4b3f3b5542185bce87a5b8bb174db84d6a46d9a0a6d12f4305c0c3d6b23de9f5

SHA512
1813fff46a9c4a610086eecd7a28f8b1bddc19bdcbf195dcf0964f51d5588e7173c95ec16320f4e9a0192e7fc7898781aa8db53269c75ed902f6bcdd5ae1328c

Download Submit
\Users\Admin\AppData\Local\Temp\is-V9UBM.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-V9UBM.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/840-181-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-206-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-225-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-174-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-222-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-175-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-218-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-215-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-212-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-184-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-187-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-190-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-193-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-196-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-197-0x0000000002960000-0x0000000002A02000-memory.dmp

Filesize
648KB

Download
memory/840-203-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/840-209-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/2116-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-179-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2364-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2364-178-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2364-173-0x0000000005330000-0x00000000055E9000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads