socks5systemz | ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4

General

Target

ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Size

2.2MB
MD5

9357e67e1024655f3302a794adc9c8da
SHA1

ed8eb9f4da01fd739d21e8684e95bd381e103402
SHA256

ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4
SHA512

c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e
SSDEEP

49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bedznag.com

http://bedznag.com/search/?q=67e28dd83e5aa079125baa1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c9ee969b3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2408-69-0x0000000002140000-0x00000000021E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
3164	colorpicker.exe
2408	colorpicker.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.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	33	91.211.247.248	2408	colorpicker.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 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	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorpicker.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 2740	832	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	86
PID 832 wrote to memory of 2740	832	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	86
PID 832 wrote to memory of 2740	832	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	86
PID 2740 wrote to memory of 3164	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	89
PID 2740 wrote to memory of 3164	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	89
PID 2740 wrote to memory of 3164	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	89
PID 2740 wrote to memory of 2408	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	90
PID 2740 wrote to memory of 2408	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	90
PID 2740 wrote to memory of 2408	2740	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	90

C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
"C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\is-QO81A.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QO81A.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp" /SL5="$602BA,1972866,54272,C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
    "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3164
- - C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
    "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2408

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

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Downloads

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Filesize
2.2MB

MD5
db2e42972e6f72f623ec6cadf8180747

SHA1
be60e50f957eb7d9c88f52e234671701fc8fc7a0

SHA256
d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d

SHA512
ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QO81A.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp

Filesize
677KB

MD5
92f7775908bb12183914bb0753782913

SHA1
8d1091da36832942d48f2fe9a1a216fdd556b9c4

SHA256
a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

SHA512
7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

Download Submit
memory/832-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/832-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/832-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2408-89-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-70-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-116-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-111-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-46-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-48-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-108-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-105-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-52-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-53-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-56-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-59-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-62-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-65-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-69-0x0000000002140000-0x00000000021E2000-memory.dmp

Filesize
648KB

Download
memory/2408-102-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-76-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-77-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-80-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-83-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-86-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-99-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-92-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2408-96-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2740-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2740-49-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3164-39-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/3164-38-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/3164-44-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/3164-42-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download

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