416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980

General

Target

416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Size

1.1MB
MD5

021801fd781be5f46b59e0b6d9534e30
SHA1

9249749dc06e13e7edde0c538271f22905936c4c
SHA256

416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980
SHA512

eb7ec992df879918f7a279532f507818d48e2976f088133723444ba8dfa55e682b7126b3708d1866d0be591c7b542af6f280f968536eeba0ead6f0d6b8be6d65
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LXtqWJ/eroQm2S7Tms2KF1x:vE2ivhQs7dLX/Jyb7S7TmsrT

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskmq32.exe"	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
File created	C:\Windows\SysWOW64\vcl32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
File created	C:\Windows\SysWOW64\mskmq32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
File opened for modification	C:\Windows\SysWOW64\mskmq32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
File created	C:\Windows\SysWOW64\concp32.exe	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x0007000000023437-5.dat	upx
behavioral2/memory/3660-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2496	3660	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B8D7298-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7153b12e03c46e2b270e0ae6fa5f56bf	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3660	416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe

C:\Users\Admin\AppData\Local\Temp\416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe
"C:\Users\Admin\AppData\Local\Temp\416d1283c3eea03bf60e4b17ce413c37d8291ed71083474f622c6a0c2abd6980N.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 712
  2⤵
  - Program crash
  PID:2496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3660 -ip 3660
1⤵
PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

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

C:\Windows\SysWOW64\concp32.exe

Filesize
1.1MB

MD5
b5cc531b676cf13073805bf5b631641f

SHA1
a2e3809084238b9a3ab9ff341eaab09ef911f48a

SHA256
18704451fd8e8bca6111ef66ff53875ff009f6be7908194d97e62e2076de5010

SHA512
c068f8cc33049aa6e260b9de699c7907ab5be297e4b6ef42e6a7470e3fa7f1f9b23d8a523b629b1a2979cdb3f28c95a024a4eb021563667e26898bb1a82e7e7c

Download Submit
memory/3660-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3660-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads