socks5systemz | f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49

General

Target

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
Size

4.6MB
MD5

be8d696799cfebe007aa6ed336426f29
SHA1

567c1697e803689a8a847b3a5c0146dcbec30942
SHA256

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49
SHA512

f768a2f58e1da9b80fb7602c94ba68acb83d641a72af4c991f31d4de957fda498f00931c94fa93caa046bde31704983894e8fbd532d0e7b0c21bd66604ad46c3
SSDEEP

98304:m3EOt3jLhB45ljCBq20QKrcXwrRnlqP6pRC1Mnjxp:mEaq20QKYXwdn9pRwMnjxp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ejguuou.ua

http://ejguuou.ua/search/?q=67e28dd83a58f52d4509aa4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608dfe18c1eb979a38

http://ejguuou.ua/search/?q=67e28dd83a58f52d4509aa4b7c27d78406abdd88be4b12eab517aa5c96bd86ec97834f835a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ec94933ac96d9615

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4744-90-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4744-112-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4744-113-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 3 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

pid process

2648 f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
5096 virtualsoundcard32.exe
4744 virtualsoundcard32.exe
Loads dropped DLL 1 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

pid process

2648 f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 152.89.198.214
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

pid	process
2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
5096	virtualsoundcard32.exe
4744	virtualsoundcard32.exe

pid	process
2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

description	ioc
Destination IP	152.89.198.214

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

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exef86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	virtualsoundcard32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	virtualsoundcard32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

pid process

2648 f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

pid	process
2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exef86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

description	pid	process	target process
PID 1328 wrote to memory of 2648	1328	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
PID 1328 wrote to memory of 2648	1328	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
PID 1328 wrote to memory of 2648	1328	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
PID 2648 wrote to memory of 5096	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe
PID 2648 wrote to memory of 5096	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe
PID 2648 wrote to memory of 5096	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe
PID 2648 wrote to memory of 4744	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe
PID 2648 wrote to memory of 4744	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe
PID 2648 wrote to memory of 4744	2648	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	virtualsoundcard32.exe

C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
"C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\is-2I90O.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2I90O.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp" /SL5="$90056,4551822,54272,C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
    "C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5096
- - C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
    "C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4744

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-2I90O.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

Filesize
680KB

MD5
4d048a561e9bc7453758d729ebbf5c37

SHA1
54087b47fa52295c10a4a73a99189ee34f533c69

SHA256
1edd0228fe240fa518bd3494ddd8cdb330725b797b12dda88d49ee9b72460184

SHA512
c2dae521c99e97fcfbaf6477412f8c82bf83392c7c23929e6200cb3c7d39d1ca6ffc6342f4f91f735cc5af63cbe788b133385dbe90f62686e8bc5d170828dd10

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VLNO4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe

Filesize
2.6MB

MD5
2d2cc2e0c16e13423291b8d712ff0eea

SHA1
904a9efe6ec0c0c2087d880ab10fc6d163f957b4

SHA256
4deca289d99a2ca710259627b90b2ec11f21a5440dfb373417209cba03e18587

SHA512
f4d665106346e8eafc4d74cf6485d7072c51ea30d4dba3d6322aee697427182247d62e939b137e5247338f02c7378703dff97773d51aaa239b895a91fb8ced7b

Download Submit
memory/1328-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1328-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1328-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2648-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4744-99-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-89-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-67-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-68-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-120-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-117-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-72-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-73-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-74-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-77-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-80-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-83-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-86-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-113-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4744-90-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4744-96-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-112-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4744-102-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-105-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-108-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/4744-111-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/5096-59-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/5096-64-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/5096-60-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/5096-63-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads