socks5systemz | fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9

General

Target

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe
Size

5.5MB
MD5

fd1031b164b9fad40b30576c1e0558b4
SHA1

fe8ea75489c9b93ddc10870dadca2668950c4cab
SHA256

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9
SHA512

ffb79b752386f048cfbbae0de682db0b348d9f790f439473484bed88d240472bff0ef5566d07b75b8b67690750a1aac48b834133f6bd4f178bcbe6e82220f40b
SSDEEP

98304:CqcmoXTTrNqRMC1J459QSVTfhUJROlzVp2xAmDHnpd5Y0o0JX5HjGHVeJY9qGR8M:ZoDzC1J4pVTpUJROQJtd5po0DqHVeJG1

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1568-197-0x0000000002900000-0x00000000029A2000-memory.dmp	family_socks5systemz
behavioral1/memory/1568-221-0x0000000002900000-0x00000000029A2000-memory.dmp	family_socks5systemz
behavioral1/memory/1568-220-0x0000000002900000-0x00000000029A2000-memory.dmp	family_socks5systemz

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

Processes:

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmpavitb.exe

pid process

2056 fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
1568 avitb.exe

pid	process
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
1568	avitb.exe

Loads dropped DLL 5 IoCs

Processes:

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exefb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

pid	process
1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc
Destination IP	91.211.247.248

System Location Discovery: System Language Discovery 1 TTPs 3 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:

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exefb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmpavitb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avitb.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

pid process

2056 fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

pid	process
2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exefb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

description	pid	process	target process
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 1384 wrote to memory of 2056	1384	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
PID 2056 wrote to memory of 1568	2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp	avitb.exe
PID 2056 wrote to memory of 1568	2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp	avitb.exe
PID 2056 wrote to memory of 1568	2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp	avitb.exe
PID 2056 wrote to memory of 1568	2056	fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp	avitb.exe

C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe
"C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\is-19RO4.tmp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-19RO4.tmp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp" /SL5="$5014E,5492793,54272,C:\Users\Admin\AppData\Local\Temp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Users\Admin\AppData\Local\AVIToolbox\avitb.exe
    "C:\Users\Admin\AppData\Local\AVIToolbox\avitb.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1568

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

\Users\Admin\AppData\Local\AVIToolbox\avitb.exe

Filesize
2.7MB

MD5
6a90fd7ca1972ad1f4b93b7af8b4a6d9

SHA1
ea1a3da33959b67f5ae125334108416d01815cd5

SHA256
de6e1aeac0bbab7c7725f9b54febd71960097f61875e3c00fc3b68683352d613

SHA512
1ffc7d84b5a1cfbf4293f8aae5dfaa1b8b14e7c7cb40356b986516022785c2f45e5b679df480b8fc95179bca1b08bf72b102164e90edf3683e16fc87935dff51

Download Submit
\Users\Admin\AppData\Local\Temp\is-19RO4.tmp\fb49650e29f5707a1eec6789a398c2203c8a628cc79639c98aea94f5aa1e52d9.tmp

Filesize
680KB

MD5
8fd7d1a7adbe65e6a70d5fc1ae259d28

SHA1
18c73b13d8e1dafc3eadf23982933030cc28ca74

SHA256
1dbfca126d6395e3eaa2a3439edf178ec437c4dcaa2070878b23027026c98c39

SHA512
a56d58fa6584d49b7160a394553696ccab0e0b9b7b775d5ce06c843212aba432ee9d091600f5d0799a384fb21f59e2e5c1bff42d109fb3418de2180f21a1a777

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-NTQDQ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1384-179-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1568-187-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-197-0x0000000002900000-0x00000000029A2000-memory.dmp

Filesize
648KB

Download
memory/1568-175-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-228-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-174-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-181-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-184-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-225-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-190-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-193-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-196-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-220-0x0000000002900000-0x00000000029A2000-memory.dmp

Filesize
648KB

Download
memory/1568-203-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-221-0x0000000002900000-0x00000000029A2000-memory.dmp

Filesize
648KB

Download
memory/1568-206-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-210-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-213-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-216-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/1568-219-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/2056-207-0x0000000003A20000-0x0000000003CD9000-memory.dmp

Filesize
2.7MB

Download
memory/2056-172-0x0000000003A20000-0x0000000003CD9000-memory.dmp

Filesize
2.7MB

Download
memory/2056-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2056-178-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads