0b034fad8b9151785e3525623425590cb53aa63bafffdd9553a6a9446c1d412d

General

Target

e33c07906c8b367fc32a39c6967e2010N.exe
Size

652KB
MD5

e33c07906c8b367fc32a39c6967e2010
SHA1

ae16869fdf58cbfc0acf2a4af22e29fb9ecf870a
SHA256

0b034fad8b9151785e3525623425590cb53aa63bafffdd9553a6a9446c1d412d
SHA512

13c6ee0c5aa2be9ae240ec3083072e7f4e47eb0d6e335251d3c2dc7ce647d3c570d91d853ba4e1df8226ed433ee367138dd8b9b957a0bc781849511ce0d5131f
SSDEEP

12288:7tKe6Zv23YLVFhBsC8iFHs+hsuQXIQRUP/g8t5P4SpUFjHh4mGI:v6Zv2ivhBVnFvh5Q44UP48Rp6Hh49I

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\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}	e33c07906c8b367fc32a39c6967e2010N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msptv32.exe"	e33c07906c8b367fc32a39c6967e2010N.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\" %*"	e33c07906c8b367fc32a39c6967e2010N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4776-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x000a000000023454-4.dat	upx
behavioral2/memory/4776-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

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"	e33c07906c8b367fc32a39c6967e2010N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e33c07906c8b367fc32a39c6967e2010N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msptv32.exe	e33c07906c8b367fc32a39c6967e2010N.exe
File created	C:\Windows\SysWOW64\concp32.exe	e33c07906c8b367fc32a39c6967e2010N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e33c07906c8b367fc32a39c6967e2010N.exe
File created	C:\Windows\SysWOW64\vcl32.exe	e33c07906c8b367fc32a39c6967e2010N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e33c07906c8b367fc32a39c6967e2010N.exe
File created	C:\Windows\SysWOW64\msptv32.exe	e33c07906c8b367fc32a39c6967e2010N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3496	4776	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	e33c07906c8b367fc32a39c6967e2010N.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}\ax = fdf9d000d299d53ae696c9a2f774f547	e33c07906c8b367fc32a39c6967e2010N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e33c07906c8b367fc32a39c6967e2010N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}	e33c07906c8b367fc32a39c6967e2010N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e33c07906c8b367fc32a39c6967e2010N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2765BF0C-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	e33c07906c8b367fc32a39c6967e2010N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4776	e33c07906c8b367fc32a39c6967e2010N.exe

C:\Users\Admin\AppData\Local\Temp\e33c07906c8b367fc32a39c6967e2010N.exe
"C:\Users\Admin\AppData\Local\Temp\e33c07906c8b367fc32a39c6967e2010N.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:4776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 708
  2⤵
  - Program crash
  PID:3496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4776 -ip 4776
1⤵
PID:2884

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

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Downloads

C:\Windows\SysWOW64\msptv32.exe

Filesize
663KB

MD5
d2d1897ceaf1b4aba1232cb064219216

SHA1
dcca463a5d77b9dbbeae7b3881c5bea65a0b448b

SHA256
03f8ce0121d4d18e5058235fb3f2deb723e6d8d4a8c9f1c700b8d4218d5fa771

SHA512
ad84dee70bdaab3712317744caf2cc43c92ce6999045b7f1338c530891a0f36eb12adfe751c4fd676e4abfa67e4206ac8a80787ff5bf92730420db39c1edc7ee

Download Submit
memory/4776-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4776-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads