socks5systemz | 5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117

General

Target

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe
Size

5.7MB
MD5

e5c205100777782f3c26969ae29be6a2
SHA1

1d687eeccca466954155a140fec1bbe87c43bb43
SHA256

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117
SHA512

ac1ec55ae82298fe9badafe84099c840e9949445be5d721e422c00bcd222dfc9498dae18dc39dd2daae4debe002a5636f7d05f02fae7243fb25b71c0882596d6
SSDEEP

98304:PX4eSUu2G80z6rPQsKce0Jsovxf2O/juOaoOvcZK6Ed02zyazx11:vWw0Ycul//2dSI1yaR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/636-89-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/636-114-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/636-113-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz

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

Processes:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmpavidenta.exe

pid process

1780 5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
636 avidenta.exe
Loads dropped DLL 1 IoCs

Processes:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

pid process

1780 5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.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 45.155.250.90
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	45.155.250.90

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:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmpavidenta.exenet.exenet1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avidenta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

pid	process
1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

pid process

1780 5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmpnet.exe

description	pid	process	target process
PID 3480 wrote to memory of 1780	3480	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
PID 3480 wrote to memory of 1780	3480	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
PID 3480 wrote to memory of 1780	3480	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
PID 1780 wrote to memory of 3932	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	net.exe
PID 1780 wrote to memory of 3932	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	net.exe
PID 1780 wrote to memory of 3932	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	net.exe
PID 1780 wrote to memory of 636	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	avidenta.exe
PID 1780 wrote to memory of 636	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	avidenta.exe
PID 1780 wrote to memory of 636	1780	5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp	avidenta.exe
PID 3932 wrote to memory of 4152	3932	net.exe	net1.exe
PID 3932 wrote to memory of 4152	3932	net.exe	net1.exe
PID 3932 wrote to memory of 4152	3932	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe
"C:\Users\Admin\AppData\Local\Temp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Users\Admin\AppData\Local\Temp\is-4PCTJ.tmp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-4PCTJ.tmp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp" /SL5="$7002C,5247474,721408,C:\Users\Admin\AppData\Local\Temp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.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:1780
- - 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:3932
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause avidenta_11131
      4⤵
      System Location Discovery: System Language Discovery
      PID:4152
- - 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:636

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

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

Filesize
3.5MB

MD5
7822ee3c6417d0713951b27f855ed05c

SHA1
c8e486860247e156c3549e4256e71b5d62111d9e

SHA256
48e4832ba5874285bcf9cb7e4bff3d0fdbc1216742ea36054358f3f8d510195d

SHA512
93a676789ddd2cc82bb2c1fe9534143f12bcb779063733058e3cf5ebeaa0f5d58a6932ed92608d33c5a600de15176a5fcb2cef6e463c04b04787c0838abc16d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4PCTJ.tmp\5fed777576067863ffe782bbac26332fb53dbead8aeebdb8ac7f281a0117d117.tmp

Filesize
2.4MB

MD5
438f4076e92d3c839405bab4652fe2ce

SHA1
046567cf90b9e87f4b3913030e1acfc0a4341279

SHA256
ad1772bd4f07c11a626de2f257d2cc44b63ff9150be9386512840a2381e97b7e

SHA512
44985fe1773cc9d1a4ee5ed0e5bcac058c0cd064d3a1e782d9c424efeb89185528e19a177ecfafa173b76b049301d5ff95dafc0b36715a0847eec3f6b4e1506b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K2EP7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/636-79-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-103-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-121-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-65-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-68-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-66-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-118-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-113-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/636-72-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-73-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-76-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-114-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/636-82-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-85-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-89-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/636-90-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-96-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-99-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-100-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-112-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-106-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/636-109-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/1780-6-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/1780-69-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/3480-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3480-70-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3480-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads