01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117

General

Target

01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
Size

157KB
MD5

53821700b175d3820206a2c5e6e75cf0
SHA1

7459ecfcecaf59deb7d461886088505ee2904e69
SHA256

01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117
SHA512

7eabbea16d59726f27fd05a1bf6975b7151efcfa845b4babdd73575e94b319032af4df5b382bf2d3116c5e1793ba56c501e150dae8ec1e4c7864bf2e6a032f12
SSDEEP

3072:/7/64aQcwAAvVydHXjZISJ5GCSYkJ+CB+YaNyRlsK:76avsdHzySivFBU8vd

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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)	\??\T:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\R:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\H:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\Z:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\X:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\S:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\P:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\K:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\G:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\E:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\Y:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\V:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\N:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\U:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\O:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\M:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\L:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\J:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\I:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\F:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\W:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened (read-only)	\??\Q:	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.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:\autorun.inf	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1140	1492	WerFault.exe	77

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2224	winword.exe
2224	winword.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1492	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
1492	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2224	winword.exe
2224	winword.exe
2224	winword.exe
2224	winword.exe
2224	winword.exe
2224	winword.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 2224	1492	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe	81
PID 1492 wrote to memory of 2224	1492	01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe	81

C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
"C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1492
- 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:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 772
  2⤵
  - Program crash
  PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1492 -ip 1492
1⤵
PID:4800

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/1492-132-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1492-139-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2224-138-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-135-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-136-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-137-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-134-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-140-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

Filesize
64KB

Download
memory/2224-141-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

Filesize
64KB

Download
memory/2224-143-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-144-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-145-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/2224-146-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads