dfac5bfaada12c698dd7467346078adea88eacd0466195d276cf60fcbaf41ef2

General

Target

dfac5bfaada12c698dd7467346078adea88eacd0466195d276cf60fcbaf41ef2.xls
Size

146KB
MD5

498ba7ac5296b5f3e807d13a6cfbb592
SHA1

cd1f735934c657331673d8413c1964c8deb9bfd5
SHA256

dfac5bfaada12c698dd7467346078adea88eacd0466195d276cf60fcbaf41ef2
SHA512

344ef9e67c66cd613e075e24cffaa089398a66ad34ab604b44fbfac5666b634657d8b40bd0f1b29c85f21b55300f3b6ad208ae60bdf90d6aa300c670f1a7a60f
SSDEEP

1536:Jtttgod7eOtuhvWVbrzQ7ITkVHdvMg62ldWK6UATAisON+cJtXwEq6:1EWVbrzQ7ITkzindJtXw36

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3064	2348	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3632	2348	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4220	2348	cmd.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\77C75E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2348 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\77C75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2348 wrote to memory of 3064	2348	EXCEL.EXE	cmd.exe
PID 2348 wrote to memory of 3064	2348	EXCEL.EXE	cmd.exe
PID 2348 wrote to memory of 3632	2348	EXCEL.EXE	cmd.exe
PID 2348 wrote to memory of 3632	2348	EXCEL.EXE	cmd.exe
PID 2348 wrote to memory of 4220	2348	EXCEL.EXE	cmd.exe
PID 2348 wrote to memory of 4220	2348	EXCEL.EXE	cmd.exe
PID 3064 wrote to memory of 4972	3064	cmd.exe	attrib.exe
PID 3064 wrote to memory of 4972	3064	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4972 attrib.exe

pid	process
4972	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\dfac5bfaada12c698dd7467346078adea88eacd0466195d276cf60fcbaf41ef2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4972

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:3632

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2348-138-0x00007FFC6E780000-0x00007FFC6E790000-memory.dmp

Filesize
64KB

Download
memory/2348-146-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-133-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-135-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-136-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-137-0x00007FFC6E780000-0x00007FFC6E790000-memory.dmp

Filesize
64KB

Download
memory/2348-134-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-132-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-147-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-144-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/2348-145-0x00007FFC70A50000-0x00007FFC70A60000-memory.dmp

Filesize
64KB

Download
memory/3064-139-0x0000000000000000-mapping.dmp

Download
memory/3632-140-0x0000000000000000-mapping.dmp

Download
memory/4220-141-0x0000000000000000-mapping.dmp

Download
memory/4972-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads