socks5systemz | 2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d

General

Target

2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
Size

4.0MB
MD5

e0fe012f1b4e9cc9bc2d1f2c093f0221
SHA1

b91b7bf760db8fa2dbd1a6084575dc2a8b21904d
SHA256

2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d
SHA512

2373965ac8706dfa037b13b1ca683e5aa3869758dce2ff74ce229fe953aff049b1a9c402c574975ae384e33a8d18d5b411fce11006eef3729778563b91229cad
SSDEEP

98304:C4++Niesif6UR4ehJOcK7gzfYbP0oLC47n+g7CQxE:Drke/hJWJtlCQG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpwbljx.com

http://bpwbljx.com/search/?q=67e28dd86d0ff42e4008ab1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e893923d

http://bpwbljx.com/search/?q=67e28dd86d0ff42e4008ab1f7c27d78406abdd88be4b12eab517aa5c96bd86e99c8f4e815a8bbc896c58e713bc90c91d36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb979938ca699e10

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3784-69-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz
behavioral2/memory/3784-92-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz
behavioral2/memory/3784-93-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
5956	soundvolume.exe
3784	soundvolume.exe

Loads dropped DLL 1 IoCs

pid	Process
2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.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	flow	ioc	pid	Process
Destination IP	35	91.211.247.248	3784	soundvolume.exe

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 4 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	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 2524	3464	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	85
PID 3464 wrote to memory of 2524	3464	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	85
PID 3464 wrote to memory of 2524	3464	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	85
PID 2524 wrote to memory of 5956	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	88
PID 2524 wrote to memory of 5956	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	88
PID 2524 wrote to memory of 5956	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	88
PID 2524 wrote to memory of 3784	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	89
PID 2524 wrote to memory of 3784	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	89
PID 2524 wrote to memory of 3784	2524	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	89

C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
"C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\is-UUQD6.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UUQD6.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp" /SL5="$401D2,3881320,54272,C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5956
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:3784

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe

Filesize
2.9MB

MD5
c1825bcb853140deb37a75b239c7e26d

SHA1
de326abc3f0045a4291f8bd922c1379c6dce323e

SHA256
60b5aad1fe5313e148b00ff5d84cf916fa296f2a5f59dee8a7616df626fdd629

SHA512
8307c0fc6290917149c84275dc7e05de6343ee8452b74b87d4f1511072629d158dbde85693f5d06cc88feb24f7bd3cd02b8e1ba9aed942fa8d0f249ccd93fc88

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UUQD6.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp

Filesize
680KB

MD5
6e8a6870c7b7cca7857274c12319be79

SHA1
670cb59240dcf402572bac9afa413530f4126248

SHA256
18b2e6e055099ecdee8aa2cdca0d19d18bb3bb0f6db8725cf0fc0d39f95813fc

SHA512
8f4dd62e1b8be2dd4b3178f7267c7898c26e2466826c93eaff817fc0b08d926671e2e620fb341516d72b90b2519710e8b6354afccf2c777d7148cae8e521a037

Download Submit
memory/2524-49-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2524-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3464-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3464-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3784-76-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-69-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/3784-48-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-100-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-97-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-52-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-53-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-56-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-59-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-62-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-65-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-93-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/3784-70-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-92-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/3784-79-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-82-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-85-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-88-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3784-91-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/5956-39-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/5956-45-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/5956-40-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/5956-43-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing