e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea

General

Target

e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
Size

164KB
MD5

3a8c8db34863fd1447a35e1f22a8aa50
SHA1

548f8baa3c306b40825b396ea7f4892cb5e9ada7
SHA256

e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea
SHA512

6ef664ea360bc64aba6a4aa0a1469b798ec2ac15629f9db0fff4e7aeadb009bf39797ad149bf5b4585f308766286b473faee38d3f7434802d8e4a6abd99040b1
SSDEEP

3072:Kq5UOGKNYWx8eY9twvBMEvcaJfIsdlxhy9lyi31YKL7:V5UO2A09KFTp1hyui3Xn

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\F:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\U:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\M:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\J:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\O:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\L:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\Y:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\S:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\P:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\N:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\K:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\H:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\V:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\R:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\Q:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\T:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\I:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\G:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\E:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\Z:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\X:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened (read-only)	\??\W:	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
File opened for modification	C:\autorun.inf	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1428	4140	WerFault.exe	73

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winword.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	winword.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	winword.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1120	winword.exe
1120	winword.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4140	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
4140	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1120	winword.exe
1120	winword.exe
1120	winword.exe
1120	winword.exe
1120	winword.exe
1120	winword.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 1120	4140	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe	83
PID 4140 wrote to memory of 1120	4140	e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe	83

C:\Users\Admin\AppData\Local\Temp\e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe
"C:\Users\Admin\AppData\Local\Temp\e6913a428accbba93f41dd2a18190c4f7c9fb5657784cdbf534254dc34af2bea.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Program Files\Microsoft Office\Root\Office16\winword.exe
  "C:\Program Files\Microsoft Office\Root\Office16\winword.exe"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 728
  2⤵
  - Program crash
  PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4140 -ip 4140
1⤵
PID:4188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1120-138-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-134-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-135-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-136-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-137-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-139-0x00007FFE75E50000-0x00007FFE75E60000-memory.dmp

Filesize
64KB

Download
memory/1120-140-0x00007FFE75E50000-0x00007FFE75E60000-memory.dmp

Filesize
64KB

Download
memory/1120-142-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-143-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-144-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/1120-145-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

Filesize
64KB

Download
memory/4140-133-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads