socks5systemz | ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8

General

Target

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe
Size

5.7MB
MD5

a72a4b73598223c66b2329ec3681876b
SHA1

e02ba2a0af64ab4edfe8e8f2f778b2e28fd1307e
SHA256

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8
SHA512

dde097b5c428ef795a72b348a4a1c7a01dfa173b12932aa18a0b1756e46bb8b8ab0e4ff94ea0d4f43f6f5c0663e2de4b980bb7f98526cd082d5a6d2510065ec8
SSDEEP

98304:PX4KkfC/nYd51M37MZ7XufeVcN+RKbGPZNn8oyaV6FYMEDiKn0w4EoSyazx11:vGfmYd51M3YZrufe7RJfn8a0FsimWEo+

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2848-92-0x00000000025F0000-0x0000000002692000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmpavidenta.exe

pid process

2368 ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
2848 avidenta.exe

Loads dropped DLL 3 IoCs

Processes:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exeab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

pid	process
3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe
2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.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 91.211.247.248
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

description	ioc
Destination IP	91.211.247.248

System Location Discovery: System Language Discovery 1 TTPs 5 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:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exeab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmpnet.exeavidenta.exenet1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avidenta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

pid	process
2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

pid process

2368 ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exeab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmpnet.exe

description	pid	process	target process
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 3012 wrote to memory of 2368	3012	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
PID 2368 wrote to memory of 2980	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	net.exe
PID 2368 wrote to memory of 2980	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	net.exe
PID 2368 wrote to memory of 2980	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	net.exe
PID 2368 wrote to memory of 2980	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	net.exe
PID 2368 wrote to memory of 2848	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	avidenta.exe
PID 2368 wrote to memory of 2848	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	avidenta.exe
PID 2368 wrote to memory of 2848	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	avidenta.exe
PID 2368 wrote to memory of 2848	2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp	avidenta.exe
PID 2980 wrote to memory of 2716	2980	net.exe	net1.exe
PID 2980 wrote to memory of 2716	2980	net.exe	net1.exe
PID 2980 wrote to memory of 2716	2980	net.exe	net1.exe
PID 2980 wrote to memory of 2716	2980	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe
"C:\Users\Admin\AppData\Local\Temp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\is-MGCO5.tmp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MGCO5.tmp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp" /SL5="$30148,5252777,721408,C:\Users\Admin\AppData\Local\Temp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause avidenta_11131
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause avidenta_11131
      4⤵
      System Location Discovery: System Language Discovery
      PID:2716
- - C:\Users\Admin\AppData\Local\Avidenta 2.7.7\avidenta.exe
    "C:\Users\Admin\AppData\Local\Avidenta 2.7.7\avidenta.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2848

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

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Downloads

\Users\Admin\AppData\Local\Avidenta 2.7.7\avidenta.exe

Filesize
3.5MB

MD5
a9f1d0c009cc7a5f06bae7577ec8475b

SHA1
7db76fcc785025d0096244ecc5d37b21fb345fdb

SHA256
64d6c846aa7a01c4036c281ee677baf42f07c3a31f81baa083f8f15ec8ea6a2d

SHA512
a10ea476bb63d0f1445628ae0dcb77d0dee3044918885f2d995a1d3a6dce3462c81f369c20e05d176cb1b706c39e0ab3cf7673011d6830aec10ccd9cadbb9e37

Download Submit
\Users\Admin\AppData\Local\Temp\is-CEK18.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-MGCO5.tmp\ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp

Filesize
2.4MB

MD5
438f4076e92d3c839405bab4652fe2ce

SHA1
046567cf90b9e87f4b3913030e1acfc0a4341279

SHA256
ad1772bd4f07c11a626de2f257d2cc44b63ff9150be9386512840a2381e97b7e

SHA512
44985fe1773cc9d1a4ee5ed0e5bcac058c0cd064d3a1e782d9c424efeb89185528e19a177ecfafa173b76b049301d5ff95dafc0b36715a0847eec3f6b4e1506b

Download Submit
memory/2368-73-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/2368-101-0x00000000042B0000-0x0000000004637000-memory.dmp

Filesize
3.5MB

Download
memory/2368-10-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/2368-68-0x00000000042B0000-0x0000000004637000-memory.dmp

Filesize
3.5MB

Download
memory/2848-79-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-102-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-69-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-121-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-76-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-118-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-82-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-85-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-88-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-91-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-92-0x00000000025F0000-0x0000000002692000-memory.dmp

Filesize
648KB

Download
memory/2848-98-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-114-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-70-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-105-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-108-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2848-111-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/3012-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download
memory/3012-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3012-74-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download

pid	process
2368	ab300c646b395b9bf5268b9066f8cf125541c819825aef8be358d15f43487ae8.tmp
2848	avidenta.exe

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads