85df8a9699d70ec3fe2ea3da9d961552df49971bc121d45fa640546574ec0a4c

General

Target

d2eb5114b80fe22c9b24917cbc1353be.xls
Size

808KB
MD5

d2eb5114b80fe22c9b24917cbc1353be
SHA1

f45402466a8f640e649b20d996b366cc631ee24c
SHA256

85df8a9699d70ec3fe2ea3da9d961552df49971bc121d45fa640546574ec0a4c
SHA512

47feaee48042e0d1b9287ac6adf3529001da39188f9bf5b36f3123a92216de7f0ca0d6648a7d42ba12021adb8452aad63f0af85542c5822687aa35673fb85e6d
SSDEEP

6144:Wk3hOdsylKlgryzc4bNhZF+E+W2kn81CawW0Haq6LyY1IZ9mkqmaLmzGinJ2H/t:8AYaS4JOQYeORI

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	2080	4828	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4116	4828	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2280	4828	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\CFA65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4828 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4828 EXCEL.EXE
4828 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\CFA65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE
4828	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4828 wrote to memory of 2080	4828	EXCEL.EXE	cmd.exe
PID 4828 wrote to memory of 2080	4828	EXCEL.EXE	cmd.exe
PID 4828 wrote to memory of 2280	4828	EXCEL.EXE	cmd.exe
PID 4828 wrote to memory of 2280	4828	EXCEL.EXE	cmd.exe
PID 4828 wrote to memory of 4116	4828	EXCEL.EXE	cmd.exe
PID 4828 wrote to memory of 4116	4828	EXCEL.EXE	cmd.exe
PID 2080 wrote to memory of 1448	2080	cmd.exe	attrib.exe
PID 2080 wrote to memory of 1448	2080	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1448 attrib.exe

pid	process
1448	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\d2eb5114b80fe22c9b24917cbc1353be.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4828

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:2080

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1448

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:4116

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:2280

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

C:\Users\Admin\AppData\Local\Temp\d2eb5114b80fe22c9b24917cbc1353be.xls
Filesize
822KB

MD5
620204f75f3b052c4b70d0d812658896

SHA1
da1dd63348037fd779162d06ccc2f81a2be4fb18

SHA256
67db429e8387d9395122106259fd2a999fb94104e3ff527eac5be179fb581b71

SHA512
4b65dc4438131f023d248819f3e52cb8558bbd87eee22dca5f88048c8dd6fd0148e233f0b72c60c983974d132cb22e0e63633e58a90dfd8d535a9a996dd8e61d

Download Submit
memory/4828-133-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-134-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-135-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-136-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-137-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-138-0x00007FFC8B5E0000-0x00007FFC8B5F0000-memory.dmp

Filesize
64KB

Download
memory/4828-139-0x00007FFC8B5E0000-0x00007FFC8B5F0000-memory.dmp

Filesize
64KB

Download
memory/4828-227-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-228-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-229-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download
memory/4828-230-0x00007FFC8D6D0000-0x00007FFC8D6E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads