socks5systemz | 8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4

General

Target

8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe
Size

2.2MB
MD5

25cb7192c8f7a3bfec2a4817f8552ca7
SHA1

cc221059563e9e8025805a42a9a46154feedd55d
SHA256

8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4
SHA512

fafea40044db5c00ae813ed91da0aeb40eb35602dc4265a5a0d50f95c13cfe878d079e45f42c1eb533dc366f88576f00ab539122783aece8c46b338ef458687f
SSDEEP

49152:32mFbq6TKK/DUgI/Guo+HoJ7P7Ea2ieZl53e7D:m+b1TKqqGXkopP2iex3c

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

csojemb.net

http://csojemb.net/search/?q=67e28dd8690ba17e440faf1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa19e8889b5e4fa9281ae978f471ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c7e9929932

http://csojemb.net/search/?q=67e28dd8690ba17e440faf1d7c27d78406abdd88be4b12eab517aa5c96bd86ee968e4e845a8bbc896c58e713bc90c94c36b5281fc235a925ed3e57d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb97983ccb68951f

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/5532-70-0x00000000007F0000-0x0000000000892000-memory.dmp	family_socks5systemz
behavioral2/memory/5532-100-0x00000000007F0000-0x0000000000892000-memory.dmp	family_socks5systemz
behavioral2/memory/5532-101-0x00000000007F0000-0x0000000000892000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp
5204	colorpicker.exe
5532	colorpicker.exe

Loads dropped DLL 1 IoCs

pid	Process
1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	38	152.89.198.214	5532	colorpicker.exe
Destination IP	40	152.89.198.214	5532	colorpicker.exe
Destination IP	41	91.211.247.248	5532	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	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorpicker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5700 wrote to memory of 1176	5700	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe	85
PID 5700 wrote to memory of 1176	5700	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe	85
PID 5700 wrote to memory of 1176	5700	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe	85
PID 1176 wrote to memory of 5204	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	88
PID 1176 wrote to memory of 5204	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	88
PID 1176 wrote to memory of 5204	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	88
PID 1176 wrote to memory of 5532	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	89
PID 1176 wrote to memory of 5532	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	89
PID 1176 wrote to memory of 5532	1176	8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp	89

C:\Users\Admin\AppData\Local\Temp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe
"C:\Users\Admin\AppData\Local\Temp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5700
- C:\Users\Admin\AppData\Local\Temp\is-8KICM.tmp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8KICM.tmp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp" /SL5="$901DE,1960984,54272,C:\Users\Admin\AppData\Local\Temp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
    "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
    3⤵
    - Executes dropped EXE
    PID:5204
- - 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:5532

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
21fd5e2dba33cafdfc9574a3eb37aac5

SHA1
ac88f469467f09dc782024e5a6c78bdda925563a

SHA256
f338953864a2015f9d3a1a9543dd321c9fbc81123f8c3f303a741bef11ff60e7

SHA512
430f4ad309d8e42c5e7e31d5eb555db1dfcf4dc00d4398104ffce23c39a91340f360071bf138fe79e0385bc0cd2e29de89166f3d67fa8deb9bf11f08f65a998a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4HMRM.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8KICM.tmp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp

Filesize
677KB

MD5
92f7775908bb12183914bb0753782913

SHA1
8d1091da36832942d48f2fe9a1a216fdd556b9c4

SHA256
a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

SHA512
7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

Download Submit
memory/1176-49-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1176-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5204-44-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5204-38-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5204-39-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5204-41-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-60-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-77-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-47-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-114-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-50-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-111-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-53-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-54-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-57-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-108-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-63-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-66-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-71-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-70-0x00000000007F0000-0x0000000000892000-memory.dmp

Filesize
648KB

Download
memory/5532-78-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-48-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-81-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-84-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-87-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-90-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-93-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-96-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-99-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5532-100-0x00000000007F0000-0x0000000000892000-memory.dmp

Filesize
648KB

Download
memory/5532-101-0x00000000007F0000-0x0000000000892000-memory.dmp

Filesize
648KB

Download
memory/5532-105-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/5700-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5700-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5700-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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