socks5systemz | e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426

General

Target

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe
Size

5.4MB
MD5

26aa11a636d878e1dff8f2601ea291cd
SHA1

a26e061b78134ac640db7b201e71bd254565f259
SHA256

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426
SHA512

52210ef95154700f419dd222871e1e048808c22ba69819af9c907d3bb68b41227dcd19963459dcedaa903352b993de9192a62814152cfbc36030b4cc75207066
SSDEEP

98304:Cy/ehk+pwNh6Whxqe0xlXghyfwbvVSfdkBS+dG1bH55MwCu8utP+3RcXeROGQx1Y:hqdShRqeKlXghyfQvVS0oBMqghcuEGQg

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3080-189-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmpavitb32.exe

pid	Process
2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp
3080	avitb32.exe

Loads dropped DLL 1 IoCs

Processes:

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp

pid	Process
2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.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

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:

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exee183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmpavitb32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avitb32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp

pid	Process
2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exee183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp

description	pid	Process	procid_target
PID 972 wrote to memory of 2980	972	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe	86
PID 972 wrote to memory of 2980	972	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe	86
PID 972 wrote to memory of 2980	972	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe	86
PID 2980 wrote to memory of 3080	2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp	88
PID 2980 wrote to memory of 3080	2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp	88
PID 2980 wrote to memory of 3080	2980	e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp	88

C:\Users\Admin\AppData\Local\Temp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe
"C:\Users\Admin\AppData\Local\Temp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\is-HGJU6.tmp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-HGJU6.tmp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp" /SL5="$C01DA,5415710,54272,C:\Users\Admin\AppData\Local\Temp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Users\Admin\AppData\Local\AVIToolbox 4.20\avitb32.exe
    "C:\Users\Admin\AppData\Local\AVIToolbox 4.20\avitb32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3080

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

C:\Users\Admin\AppData\Local\AVIToolbox 4.20\avitb32.exe

Filesize
2.6MB

MD5
e3bdd09827749399000b02c37e810b4e

SHA1
9466dde584f375bcf244292db9493c800bf2ae18

SHA256
f32baa3ff629863a2b7302ef30ab0270a034ea709e56b687788966e7f65d8a12

SHA512
93921364eaff18defe2df3ddff7d5e9b76eac6ddbe57fcf19d4a3d012bede7bcade786782da0d15d6a9c5c014d88fa35d71ae20e85d377338b9ced0abc937c0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BHO4O.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HGJU6.tmp\e183c636aeb74fb59c206812f5b059319f592dabd3f825358a0274a286071426.tmp

Filesize
680KB

MD5
de7502e3badcf515803d34f51f810cfa

SHA1
559104a160f740e7ba781d6427dbeda2a3e22d3b

SHA256
71d6062f137533c609383c1efc1dc5cd2f46441668915162865e57546b21ae95

SHA512
56b977994973cd937b9d5d303c093024f11a5c706722f7ff2e747d9dede87393cbcb1447fe1479d1fc759afb7981d9b2ec8fcfa2b77a8803fb94f636935b3f54

Download Submit
memory/972-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/972-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/972-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2980-169-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2980-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3080-179-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-189-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/3080-165-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-172-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-173-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-176-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-164-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-182-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-185-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-168-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-188-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-195-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-198-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-199-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-202-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-205-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-208-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-211-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-215-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3080-218-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads