socks5systemz | 9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2

General

Target

9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
Size

4.1MB
MD5

d21d87de27e3201c708249416c041c51
SHA1

390fe51f1fe59afe193258a9ed4e449a5a6e3714
SHA256

9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2
SHA512

3fa378846b129d65abf8b63c98ba9f432d468ced2b28a23abde211a38d9f8330f7f6abe2116c902d2d98372a1ecde338473fb87c423595e9c17924dea0e8cd30
SSDEEP

98304:CB8hlSOCYW+jc0mfCkyTPJ4L/iMPJEdkb6erxHyB/MwkMoWKPQxi:hhlSOCYW+QffcTR4LPaw7xHyBHQWKPQs

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebxdipd.ua

http://ebxdipd.ua/search/?q=67e28dd86b5bf57d470baa197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c7e692923b

http://ebxdipd.ua/search/?q=67e28dd86b5bf57d470baa197c27d78406abdd88be4b12eab517aa5c96bd86ef96854c845a8bbc896c58e713bc90c91c36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb97983cc4689e16

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/5940-69-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral2/memory/5940-92-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral2/memory/5940-91-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
1184	wobplayer32.exe
5940	wobplayer32.exe

Loads dropped DLL 1 IoCs

pid	Process
4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.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	42	91.211.247.248	5940	wobplayer32.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	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wobplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wobplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 4548	2140	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	90
PID 2140 wrote to memory of 4548	2140	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	90
PID 2140 wrote to memory of 4548	2140	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe	90
PID 4548 wrote to memory of 1184	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	93
PID 4548 wrote to memory of 1184	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	93
PID 4548 wrote to memory of 1184	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	93
PID 4548 wrote to memory of 5940	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	94
PID 4548 wrote to memory of 5940	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	94
PID 4548 wrote to memory of 5940	4548	9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp	94

C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe
"C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\is-MH9FB.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MH9FB.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp" /SL5="$40176,3949253,54272,C:\Users\Admin\AppData\Local\Temp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe
    "C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1184
- - C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe
    "C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:5940

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\Temp\is-2C9QB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MH9FB.tmp\9af60bcb43b67b54533b5ce9cd6853d97b1ef6d9f068541347023204323b1ee2.tmp

Filesize
680KB

MD5
2f5d7155e87ae632e8f77ea6f27811c9

SHA1
9546c64e76db02a35d881984d3a67a16e9fe2b02

SHA256
b8deaccfacf509e78935ace2a58b64d3ae27d40ea2a52caeeba19a7eabac7c03

SHA512
46fef266a5bfc122b3d9df97972961fa32290ad6d97a9fd73e3eaaa07c1db59615bcbc6d7084a7a614b3f780fdb71844d1a54b4db676be9aa5a6bce859db3839

Download Submit
C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe

Filesize
2.6MB

MD5
d890b766fce62b515315a3d77fd16b90

SHA1
ffb44ff8dbc540384903dd65225d3a53a84ecbb5

SHA256
5395b1c1a97e89c772ca9ce72533bf589d7afcaa61b030e7fa0b8e258227eed5

SHA512
4215217f88d44ac53ce474af8b3694c8880b101039bd53a4479ece139eb8ca3f3e28d1d47976f370710aaff22c66b6f95d27485f23b76049421b51dc8339be02

Download Submit
memory/1184-39-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/1184-43-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/1184-45-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/1184-40-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2140-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2140-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4548-49-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5940-59-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-81-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-53-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-56-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-48-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-62-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-65-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-68-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-69-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/5940-75-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-78-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-52-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-84-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-87-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-90-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-92-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/5940-91-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/5940-96-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-99-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-102-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-105-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-108-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/5940-111-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download

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