socks5systemz | 079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231

General

Target

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe
Size

3.8MB
MD5

0279b7ad297ac56109237dce5f180c05
SHA1

e5f3d0b6b14f8c6e81fdd651ae5ab36c5af12df7
SHA256

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231
SHA512

b0d0cba1e340b43dc245acd31d4e9282a528db6843c418a7430956cc04fb2a3b27ae960762ae1f34f2da3e8f8e87c105d4368f9343823ddffd53ae3039879938
SSDEEP

98304:NGS3IR02udFS/Yyj9Sb0ss8EbvJ7wXDOEkBBidXOpkvV:wTRHufUj9x8IvBwXDOEUgdAkvV

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/956-73-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz
behavioral2/memory/956-105-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz
behavioral2/memory/956-104-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmpcapturn32_64.exe

pid	Process
2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp
956	capturn32_64.exe

Loads dropped DLL 2 IoCs

Processes:

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmpcapturn32_64.exe

pid	Process
2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp
956	capturn32_64.exe

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	141.98.234.31

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

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:

capturn32_64.exe079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmpnet.exenet1.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	capturn32_64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp
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:

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp

pid	Process
2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp
2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp

pid	Process
2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmpnet.exe

description	pid	Process	procid_target
PID 3508 wrote to memory of 2004	3508	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe	82
PID 3508 wrote to memory of 2004	3508	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe	82
PID 3508 wrote to memory of 2004	3508	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe	82
PID 2004 wrote to memory of 4568	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	83
PID 2004 wrote to memory of 4568	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	83
PID 2004 wrote to memory of 4568	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	83
PID 2004 wrote to memory of 956	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	85
PID 2004 wrote to memory of 956	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	85
PID 2004 wrote to memory of 956	2004	079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp	85
PID 4568 wrote to memory of 3316	4568	net.exe	86
PID 4568 wrote to memory of 3316	4568	net.exe	86
PID 4568 wrote to memory of 3316	4568	net.exe	86

C:\Users\Admin\AppData\Local\Temp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe
"C:\Users\Admin\AppData\Local\Temp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\is-C0SDE.tmp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C0SDE.tmp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp" /SL5="$50238,3750879,54272,C:\Users\Admin\AppData\Local\Temp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.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:2004
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause capturn_11243
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4568
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause capturn_11243
      4⤵
      System Location Discovery: System Language Discovery
      PID:3316
- - C:\Users\Admin\AppData\Local\Capturn 2.3.7\capturn32_64.exe
    "C:\Users\Admin\AppData\Local\Capturn 2.3.7\capturn32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:956

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\Capturn 2.3.7\capturn32_64.exe

Filesize
3.4MB

MD5
7186566bd5e3669be880908c88cac8a9

SHA1
f0d799ce58893cc660bfa78872603caaad09283d

SHA256
54a08ea73c85106ff3ccfeefee5934f9954f17f90f227a6fa673a3153f783a6b

SHA512
21b229afdda74880daf924b0440efa22770e8679a74208db779827b7eeeadd77cefeef882b661fea4f7f3d6de0d7b71425c03801e4e23acb3f84ff16773bb6c0

Download Submit
C:\Users\Admin\AppData\Local\Capturn 2.3.7\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7U0SE.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C0SDE.tmp\079db6e08e1b4dc90b17bb25ed3d71b15c4cfc2c1e482237a8710ae011b16231.tmp

Filesize
687KB

MD5
632e69db901b5b463f56f3a095a233ed

SHA1
a272bf59a84d9e7e72df20314e2fb30a614bea45

SHA256
23e67ea287e9eb6708aa981fd214bebebf8a9b1dc5daf8ed5046538114a5c5ed

SHA512
d4fca2a254b443aba276374a99486fbd22bc98d65f0022921efa8b5f4b91d17aeda7927f5cc3ef85467b473b0afb0748d0d3781463e0f0f63d43b3645540af51

Download Submit
memory/956-60-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-86-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-113-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-43-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-47-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-42-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-109-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-104-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/956-51-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/956-52-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-56-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-105-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/956-64-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-68-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-73-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/956-75-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-81-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-83-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-102-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-90-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-94-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/956-98-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/2004-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2004-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3508-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3508-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3508-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads