socks5systemz | 9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a

General

Target

9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe
Size

4.5MB
MD5

8831fd64392530c8d957dd1453cc77c9
SHA1

a803a6dc1e4c4cc671acc69dcebc9b2658656b45
SHA256

9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a
SHA512

8f81ebdb5beafe18e90cdf6da454c9fa00802de2752ec1ddd8370381ccde54b9e97f5d5ee8f5628ebcdd06d160208716cde1249b91770d67f95d8ad407173f30
SSDEEP

98304:NzweYLdaaFmAqlBQ/bVwwyqBe25+3sgnhgg3KzooViNDnqGv7:N0eYLdEAqlBuw+15Vpq6ookNrhv7

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buwdcue.com

http://buwdcue.com/search/?q=67e28dd86558fa2d4658af497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e793983b

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5784-90-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp
4276	radiobuster32.exe
5784	radiobuster32.exe

Loads dropped DLL 1 IoCs

pid	Process
1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.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	34	45.155.250.90	5784	radiobuster32.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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	radiobuster32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1852	2756	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe	87
PID 2756 wrote to memory of 1852	2756	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe	87
PID 2756 wrote to memory of 1852	2756	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe	87
PID 1852 wrote to memory of 4276	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	89
PID 1852 wrote to memory of 4276	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	89
PID 1852 wrote to memory of 4276	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	89
PID 1852 wrote to memory of 5784	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	90
PID 1852 wrote to memory of 5784	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	90
PID 1852 wrote to memory of 5784	1852	9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp	90

C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe
"C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\is-FPSIK.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FPSIK.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp" /SL5="$501F8,4465888,54272,C:\Users\Admin\AppData\Local\Temp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4276
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:5784

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

C:\Users\Admin\AppData\Local\Radio Buster\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe

Filesize
2.5MB

MD5
d0519d0a7d6b2ce0b426b47f1e77ab06

SHA1
b0b777612f4fc5e693a5d3efe18b5d59b2d1ffcc

SHA256
15e030e731f4670ae2efd638e98d3f41032b5e7dd75981f2988109ece7f89da4

SHA512
431a859e2b9b5ab57d1b4b8a9fbf0a9054bf5771fa1ac0fd14643e01dc72d43c91576bbf43236f04091e079574aed6b2447a76a98941199ebe2d9046b35669a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-AR51E.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FPSIK.tmp\9a5e007f56ed0883d3a5c9d948621718ceb726038a510da12d6376445665ca9a.tmp

Filesize
696KB

MD5
0fbd91399a4476ef767a6d203be9af3f

SHA1
175c645348c6a6b03cdf4e14bbb73dc522864a78

SHA256
213d474063fb52c18c5b0b40bfc1884a3fc8f6b76c71a994c3da56e1be60dbd1

SHA512
457b7c9d50a96572339061e6aa35ee7ad2663b38d423499bc606b92eb427315788ac5ae69b046beed0acdfb05bad9eff91bec0564b3ccd5245522d966aec2f91

Download Submit
memory/1852-10-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1852-70-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2756-71-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2756-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2756-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4276-59-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/4276-60-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/4276-63-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/4276-65-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-73-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-97-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-74-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-77-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-80-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-83-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-86-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-91-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-90-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/5784-69-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-98-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-101-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-104-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-107-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-110-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-113-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-117-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download
memory/5784-120-0x0000000000400000-0x000000000067E000-memory.dmp

Filesize
2.5MB

Download

Analysis

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