ca94f502026c5ac760c1a502cdc211a112581de334e8ad0363d0108499666b60

General

Target

eac85f06241ae46aa55469c12f521c10N.exe
Size

430KB
MD5

eac85f06241ae46aa55469c12f521c10
SHA1

3ca1a9ab3a572ebd9d2ab70c45ea40c45daf632d
SHA256

ca94f502026c5ac760c1a502cdc211a112581de334e8ad0363d0108499666b60
SHA512

a5c47d54d321553f1bc60678d5ff6558666b80fa9673c8ddc34609a96788fbf0371c75bf9adf669c25752378edf0ec65b75f7289cf3ab8807c7e64bfaf894407
SSDEEP

12288:ntKe6Zv23YeVOsiFKClC1NJhkbOOpPFrVQE61N4:76Zv2lZiFTqD2OOprQNN4

Score

8^/10

discovery persistence

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\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}	eac85f06241ae46aa55469c12f521c10N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrlh32.exe"	eac85f06241ae46aa55469c12f521c10N.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\" %*"	eac85f06241ae46aa55469c12f521c10N.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"	eac85f06241ae46aa55469c12f521c10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	eac85f06241ae46aa55469c12f521c10N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	eac85f06241ae46aa55469c12f521c10N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	eac85f06241ae46aa55469c12f521c10N.exe
File created	C:\Windows\SysWOW64\msrlh32.exe	eac85f06241ae46aa55469c12f521c10N.exe
File opened for modification	C:\Windows\SysWOW64\msrlh32.exe	eac85f06241ae46aa55469c12f521c10N.exe
File created	C:\Windows\SysWOW64\concp32.exe	eac85f06241ae46aa55469c12f521c10N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	eac85f06241ae46aa55469c12f521c10N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3176	4080	WerFault.exe	83

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	eac85f06241ae46aa55469c12f521c10N.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}	eac85f06241ae46aa55469c12f521c10N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	eac85f06241ae46aa55469c12f521c10N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	eac85f06241ae46aa55469c12f521c10N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A286AC5E-8B9A-11D5-EBA1-F78EEEEEE983}\ax = af369bc94c806e52cf0a7de36da08809	eac85f06241ae46aa55469c12f521c10N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	eac85f06241ae46aa55469c12f521c10N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4080	eac85f06241ae46aa55469c12f521c10N.exe

C:\Users\Admin\AppData\Local\Temp\eac85f06241ae46aa55469c12f521c10N.exe
"C:\Users\Admin\AppData\Local\Temp\eac85f06241ae46aa55469c12f521c10N.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:4080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 764
  2⤵
  - Program crash
  PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4080 -ip 4080
1⤵
PID:328

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
435KB

MD5
843b4e160a80f57251076d50578dc050

SHA1
8a259d3994d11d7d968e8b008a4630efa7762474

SHA256
8316efcb420a9a141fa91026fd3967c6e2193c19e4127b99b635c95afbcc95e5

SHA512
02c7f60e9af3a97249c68c566a4e4b2e0535647702b307be0dde919971017623f5a6390c4fb07eb25629f8ad1a419510df52ea8d8b328614e14a108eb0667973

Download Submit
memory/4080-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4080-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads