socks5systemz | b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432

General

Target

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe
Size

5.7MB
MD5

11ff50ce31be5296df3be97dcdf6b47c
SHA1

d753cf32b8467f29364665af2d049ffbff533024
SHA256

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432
SHA512

f50d693acc914182cf936fe83318e525504de5ab8e881195c65cf009fa79faefc29fbd6708d48e37bc8aa2ed565f6c74de207cc13e4a85aefbc4dfe367e576a2
SSDEEP

98304:PX4HC9XtFsjh2VNEj6aZIB4DQR2J6q2+5OFOFdr1Ip/69FR+yazx11:vF9aONEXOO9JcOFdrG/oFR+yaR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2184-92-0x0000000002AD0000-0x0000000002B72000-memory.dmp	family_socks5systemz
behavioral1/memory/2184-115-0x0000000002AD0000-0x0000000002B72000-memory.dmp	family_socks5systemz
behavioral1/memory/2184-116-0x0000000002AD0000-0x0000000002B72000-memory.dmp	family_socks5systemz

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

Processes:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmpavidenta.exe

pid process

2848 b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
2184 avidenta.exe

Loads dropped DLL 3 IoCs

Processes:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exeb1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

pid	process
2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe
2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.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:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exeb1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmpavidenta.exenet.exenet1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.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:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

pid	process
2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

pid process

2848 b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exeb1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmpnet.exe

description	pid	process	target process
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2740 wrote to memory of 2848	2740	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
PID 2848 wrote to memory of 1520	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	net.exe
PID 2848 wrote to memory of 1520	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	net.exe
PID 2848 wrote to memory of 1520	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	net.exe
PID 2848 wrote to memory of 1520	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	net.exe
PID 2848 wrote to memory of 2184	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	avidenta.exe
PID 2848 wrote to memory of 2184	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	avidenta.exe
PID 2848 wrote to memory of 2184	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	avidenta.exe
PID 2848 wrote to memory of 2184	2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp	avidenta.exe
PID 1520 wrote to memory of 1328	1520	net.exe	net1.exe
PID 1520 wrote to memory of 1328	1520	net.exe	net1.exe
PID 1520 wrote to memory of 1328	1520	net.exe	net1.exe
PID 1520 wrote to memory of 1328	1520	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe
"C:\Users\Admin\AppData\Local\Temp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\is-2A8D3.tmp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2A8D3.tmp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp" /SL5="$4014E,5235292,721408,C:\Users\Admin\AppData\Local\Temp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.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:2848
- - 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:1520
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause avidenta_11131
      4⤵
      System Location Discovery: System Language Discovery
      PID:1328
- - 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:2184

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

Replay Monitor

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Downloads

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

Filesize
3.5MB

MD5
3b05368eb051565ce8bc853fc84203f9

SHA1
d959b246ab95dcdae4072543baf920c85bee8a5d

SHA256
0307dca7217fee1296ca83ba256ce9dcdeecae045f5482c9f064c877bda695d1

SHA512
ffcb8f2fbddacfb00e5e4c3775026b4532cff14dece0e8a3e301053f89ddcfa6103215c027b37e6cb79455815d4ac5c47a067f6ceddd4389160af4e33741e09b

Download Submit
\Users\Admin\AppData\Local\Temp\is-2A8D3.tmp\b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp

Filesize
2.4MB

MD5
438f4076e92d3c839405bab4652fe2ce

SHA1
046567cf90b9e87f4b3913030e1acfc0a4341279

SHA256
ad1772bd4f07c11a626de2f257d2cc44b63ff9150be9386512840a2381e97b7e

SHA512
44985fe1773cc9d1a4ee5ed0e5bcac058c0cd064d3a1e782d9c424efeb89185528e19a177ecfafa173b76b049301d5ff95dafc0b36715a0847eec3f6b4e1506b

Download Submit
\Users\Admin\AppData\Local\Temp\is-MGS56.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2184-105-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-108-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-123-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-69-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-120-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-70-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-116-0x0000000002AD0000-0x0000000002B72000-memory.dmp

Filesize
648KB

Download
memory/2184-115-0x0000000002AD0000-0x0000000002B72000-memory.dmp

Filesize
648KB

Download
memory/2184-76-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-79-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-82-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-85-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-88-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-91-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-92-0x0000000002AD0000-0x0000000002B72000-memory.dmp

Filesize
648KB

Download
memory/2184-98-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-101-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-114-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2184-111-0x0000000000400000-0x000000000078D000-memory.dmp

Filesize
3.6MB

Download
memory/2740-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download
memory/2740-73-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2740-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2848-9-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/2848-102-0x0000000004080000-0x000000000440D000-memory.dmp

Filesize
3.6MB

Download
memory/2848-74-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/2848-67-0x0000000004080000-0x000000000440D000-memory.dmp

Filesize
3.6MB

Download

pid	process
2848	b1d192ca08f886186bed8bf55f84e742e12a2d697e48f2bff0c5f1da05671432.tmp
2184	avidenta.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads