socks5systemz | b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90

General

Target

b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe
Size

4.2MB
MD5

e16ba90fa4d97453c7f8a9eb86c64243
SHA1

9a6b08ae65e54ccf7bb9878e350f732d78a48533
SHA256

b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90
SHA512

48311c7bb0d3f558b6746ef3740e30f8b4ff25f963c1b587f98993d9ce0ce708f7a97c02a2d0773df282eb6243d9679771d101ac7502ba94ba765b7725274e60
SSDEEP

98304:IyVMMAyOLcjqHKa8AQCMNaSB58v3pnEmmUnp0aHEZ:7AyFqqa8GFe8vNlZpjHEZ

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1280-101-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp
1280	softartsvc.exe

Loads dropped DLL 1 IoCs

pid	Process
3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	152.89.198.214

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	softartsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp
3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 3548	1068	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe	84
PID 1068 wrote to memory of 3548	1068	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe	84
PID 1068 wrote to memory of 3548	1068	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe	84
PID 3548 wrote to memory of 1280	3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp	85
PID 3548 wrote to memory of 1280	3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp	85
PID 3548 wrote to memory of 1280	3548	b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp	85

C:\Users\Admin\AppData\Local\Temp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe
"C:\Users\Admin\AppData\Local\Temp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\is-2KFDE.tmp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2KFDE.tmp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp" /SL5="$80060,4080569,54272,C:\Users\Admin\AppData\Local\Temp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.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:3548
- - C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe
    "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1280

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

C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe

Filesize
2.7MB

MD5
7b0f3ec07ece9bf49c2b8329f4416c80

SHA1
db475922202fc44c795cc36a1dcba015cdddc295

SHA256
7f20ff14b2703bc08ced05427eb98a0680eaef5a45f3a1a86e537fcbda190c93

SHA512
cda29899d6d83d4b8a9965d7bc0d44eacd265ae9afdbb305971b8e13961084da8c7212182bd42cdf2240cf6046f84382bc2b28d7f23568671ad946f5b9b4c898

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2KFDE.tmp\b48793592f90afef41d909b85d418d190937b85d8d333d92d7958c0147ffcf90.tmp

Filesize
689KB

MD5
e2a2ce4bf998046c31cd4ae74bd5f71d

SHA1
3964ba4b7852def43363c30373c6a98a264f3174

SHA256
981d686ff69b1117c3e461c074595ef5faae0b781610aea7f95f67bdaa702d8e

SHA512
3f1c9d8b9bc8875606e67be94a0bd779c1cbc344e8192b7fb9c4f9edda7429d2e7a2587a0bd25aa0b4dbef267c873e5768257e21e5644d070b931aa30ae2ee21

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DNS08.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1068-81-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1068-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1068-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1280-91-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-100-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-80-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-76-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-130-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-84-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-85-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-88-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-127-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-94-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-97-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-77-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-101-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/1280-107-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-110-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-111-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-114-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-117-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-120-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/1280-123-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/3548-7-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3548-82-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

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