socks5systemz | 80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406

General

Target

80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe
Size

4.4MB
MD5

12a9cb179c38ca093d62af608388d7ef
SHA1

ea8d77bdd7fd0da27b00c93e0a70de705e8c025a
SHA256

80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406
SHA512

ef58208fa4faaea6f64f04c113bb0aa97040bdc6660a8ff6bd3fb8562f41ff8e9962015e2a89471f6f490aedf7ce6e5c47143426ac36eadaaf8d5517df39e1d1
SSDEEP

98304:W2m0zvYiInCYx6JAStJ+R3BuFqnJQzUtsK44xvvY:W2FvYiICYwzJwYqJQzUtsK/hvY

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bmtxmds.com

http://bmtxmds.com/search/?q=67e28dd83a09f729130ead4a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e89c983b

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1180-89-0x0000000002840000-0x00000000028E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp
2580	radiobuster32.exe
1180	radiobuster32.exe

Loads dropped DLL 1 IoCs

pid	Process
6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.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	43	91.211.247.248	1180	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	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	radiobuster32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 6064	1476	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe	87
PID 1476 wrote to memory of 6064	1476	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe	87
PID 1476 wrote to memory of 6064	1476	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe	87
PID 6064 wrote to memory of 2580	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	89
PID 6064 wrote to memory of 2580	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	89
PID 6064 wrote to memory of 2580	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	89
PID 6064 wrote to memory of 1180	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	90
PID 6064 wrote to memory of 1180	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	90
PID 6064 wrote to memory of 1180	6064	80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp	90

C:\Users\Admin\AppData\Local\Temp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe
"C:\Users\Admin\AppData\Local\Temp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Local\Temp\is-6CEPF.tmp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-6CEPF.tmp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp" /SL5="$B027A,4408076,54272,C:\Users\Admin\AppData\Local\Temp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6064
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2580
- - 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:1180

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
2.1MB

MD5
98e6bae842c9daff1f9c1071eb66f82d

SHA1
dd3c6db675fde85018c7c1a5c8e1d045fa2ff977

SHA256
de6516a289552f83bd4b554a5cea58099dbcac1904ed41884f9031b79a7b6e5b

SHA512
3e404f4da2c530feba49639b2fe9a75608fdd00c8756b776042f732eddd222393753c3d7e9d9fed6683f16b9be83fd133c61dbf67118b7469837e0e93d6a075a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6CEPF.tmp\80b73e90613cd444a54a70c9340035ae332271db4fbf3462dc4a8799547bb406.tmp

Filesize
696KB

MD5
ebc93acc74258c93008da5c398191619

SHA1
ac84456d9b7ef7a43c88c5736fb37ca59f61468e

SHA256
9df6a092d9a1867002e8399641ab5cabc8e251c41c7c03e725a754f5ab470f3f

SHA512
b3afd516c655de55bbbcfb68d3aca1f4f0a8bd40555c888f193adc06d800ca8a11ec56d2fe948840c42a9940f2be30bf4aff670d3aa9127dca3679df023d7cb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HBJ48.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1180-79-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-111-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-135-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-130-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-127-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-124-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-68-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-121-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-118-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-72-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-73-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-76-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-115-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-82-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-85-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-88-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-89-0x0000000002840000-0x00000000028E2000-memory.dmp

Filesize
648KB

Download
memory/1180-96-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-99-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-102-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-105-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1180-108-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/1476-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1476-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1476-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2580-63-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/2580-60-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/2580-59-0x0000000000400000-0x000000000061B000-memory.dmp

Filesize
2.1MB

Download
memory/6064-10-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/6064-69-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download

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