18ee8040609562e0d7890555c27bbf19029a41f724209eb8f49a1c021314e91c

General

Target

18ee8040609562e0d7890555c27bbf19029a41f724209eb8f49a1c021314e91c.xls
Size

155KB
MD5

affab620cd4c0a0b6b68d9eb1dbddd1e
SHA1

86d4a4c9328762e7819d9d1203bafa9ceb2e7023
SHA256

18ee8040609562e0d7890555c27bbf19029a41f724209eb8f49a1c021314e91c
SHA512

5b5b4fa2eaae68ddab8db99ccfc27eddd0ca13d9a735da5421f18c0a8eb3242279b8dc3857076c0346e5f5bab37ca2492d4b6a32317377481e2504b08756e35e
SSDEEP

3072:LSVQzu271vEDW3YkWVbrzQ7IjHgkZyDWTtn6KNLk:L0vHj

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	4092	1044	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	220	1044	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	116	1044	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\C5275E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1044 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\C5275E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE
1044	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1044 wrote to memory of 4092	1044	EXCEL.EXE	cmd.exe
PID 1044 wrote to memory of 4092	1044	EXCEL.EXE	cmd.exe
PID 1044 wrote to memory of 220	1044	EXCEL.EXE	cmd.exe
PID 1044 wrote to memory of 220	1044	EXCEL.EXE	cmd.exe
PID 1044 wrote to memory of 116	1044	EXCEL.EXE	cmd.exe
PID 1044 wrote to memory of 116	1044	EXCEL.EXE	cmd.exe
PID 4092 wrote to memory of 4368	4092	cmd.exe	attrib.exe
PID 4092 wrote to memory of 4368	4092	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4368 attrib.exe

pid	process
4368	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\18ee8040609562e0d7890555c27bbf19029a41f724209eb8f49a1c021314e91c.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:1044

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:4092

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4368

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:220

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:116

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/116-141-0x0000000000000000-mapping.dmp

Download
memory/220-140-0x0000000000000000-mapping.dmp

Download
memory/1044-136-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-134-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-132-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-137-0x00007FFCE6700000-0x00007FFCE6710000-memory.dmp

Filesize
64KB

Download
memory/1044-138-0x00007FFCE6700000-0x00007FFCE6710000-memory.dmp

Filesize
64KB

Download
memory/1044-149-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-133-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-135-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-148-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-143-0x0000027A94919000-0x0000027A9491B000-memory.dmp

Filesize
8KB

Download
memory/1044-144-0x0000027A94919000-0x0000027A9491B000-memory.dmp

Filesize
8KB

Download
memory/1044-146-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1044-147-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/4092-139-0x0000000000000000-mapping.dmp

Download
memory/4368-142-0x0000000000000000-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