socks5systemz | 956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5

General

Target

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe
Size

6.0MB
MD5

945dcb41cb3b7cb96c1aaf3ebe424e10
SHA1

1eb2fce239a8697e73268a776fbe8e12a4f28c36
SHA256

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5
SHA512

93e0d63a6f5d26485e3c701b26050eaa3d44d855841950423ca32951018b2921131a6b0bfdf4f97e01d1d6e4e795180898557419cd8cbb053c2242367b229f47
SSDEEP

98304:4AMvwv72PdUOC1zplIY0KCO+Nta1MB1NScu4epCMozps4f6hlyssYucwXTwX1j+a:p17aiOC1zpjLCOiakvh1Mozps43WucGS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1288-108-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz
behavioral2/memory/1288-132-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz
behavioral2/memory/1288-133-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmpEasyCutStudio833.exe

pid	Process
848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp
1288	EasyCutStudio833.exe

Loads dropped DLL 1 IoCs

Processes:

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

pid	Process
848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.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

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:

net.exenet1.exe956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmpEasyCutStudio833.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EasyCutStudio833.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

pid	Process
848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp
848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

pid	Process
848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmpnet.exe

description	pid	Process	procid_target
PID 1208 wrote to memory of 848	1208	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe	82
PID 1208 wrote to memory of 848	1208	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe	82
PID 1208 wrote to memory of 848	1208	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe	82
PID 848 wrote to memory of 2964	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	86
PID 848 wrote to memory of 2964	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	86
PID 848 wrote to memory of 2964	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	86
PID 848 wrote to memory of 1288	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	88
PID 848 wrote to memory of 1288	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	88
PID 848 wrote to memory of 1288	848	956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp	88
PID 2964 wrote to memory of 708	2964	net.exe	89
PID 2964 wrote to memory of 708	2964	net.exe	89
PID 2964 wrote to memory of 708	2964	net.exe	89

C:\Users\Admin\AppData\Local\Temp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe
"C:\Users\Admin\AppData\Local\Temp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\is-22FRP.tmp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-22FRP.tmp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp" /SL5="$8004C,6022747,56832,C:\Users\Admin\AppData\Local\Temp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.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:848
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause easy_cut_studio_833
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause easy_cut_studio_833
      4⤵
      System Location Discovery: System Language Discovery
      PID:708
- - C:\Users\Admin\AppData\Local\EasyCutStudio 8.3.3\EasyCutStudio833.exe
    "C:\Users\Admin\AppData\Local\EasyCutStudio 8.3.3\EasyCutStudio833.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1288

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\EasyCutStudio 8.3.3\EasyCutStudio833.exe

Filesize
4.4MB

MD5
86eaebffc6c6ef4583e18d2b97a473d0

SHA1
d6db765750cfb7ae25b8e9ee769607d0d03ae34c

SHA256
d82b3613b8ed907050d497f553299cb47964208899553f6d335ad2658b4a199c

SHA512
eeaf170c5030c80c7fd494870d760774d703c28c06a85815b32449debd1efa49c996341da492e018b6fba55465335730178d9d1ea319a8a306cce60b5105c560

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-22FRP.tmp\956a76e13f8a518ac69cd6f4121e2777aa112a5cd959a43864208fa86294bda5N.tmp

Filesize
692KB

MD5
25d88ef1630bea89eeada216610ba72b

SHA1
6ad9a761dbb85b358bf78a31f198b08e0891d7a2

SHA256
17c3c965d1b94a20114bf6075209986d42d90a95f704a906e8df248ea19c6669

SHA512
aea3f6202fb832296b28720ee92e7bb462ba138a945412cfdb4f1ba48162e801042c7e41d30ec29d599b7e253fb7a39e8fc6800f62abb6cfbc0d9716f22cb90f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TRC2O.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/848-88-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/848-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1208-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1208-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1208-89-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1288-98-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-115-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-85-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-91-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-92-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-95-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-84-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-101-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-104-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-107-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-108-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/1288-87-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-118-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-119-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-122-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-125-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-128-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-131-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-132-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/1288-133-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/1288-137-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/1288-140-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads