c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b

General

Target

c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b.xls
Size

141KB
MD5

99316a73d5c6ac92cdfb661e6bc7599b
SHA1

008cf4db97ed11555a8961130ee7666a75ebc0c3
SHA256

c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b
SHA512

5cf7710491a9494699f5601680e41468242578e955f1609987e5cc821eef692e2e4ae9c0128e2eebefb13697eeebb47f73ad02faa61e78dbcb65104a360cae36

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	1056	4696	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1108	4696	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1248	4696	cmd.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

4696 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\14947F00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4696 EXCEL.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

EXCEL.EXE

pid process

4696 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\14947F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

EXCEL.EXE

pid	process
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4696 wrote to memory of 1056	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 1056	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 1108	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 1108	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 1248	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 1248	4696	EXCEL.EXE	cmd.exe
PID 1056 wrote to memory of 1832	1056	cmd.exe	attrib.exe
PID 1056 wrote to memory of 1832	1056	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1832 attrib.exe

pid	process
1832	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\c054c37a0fa13829f20dd9a09fb48f18a5c4130fe228bd44cb80cb2b9e75770b.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4696

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:1056

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1832

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:1108

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:1248

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/1056-7-0x0000000000000000-mapping.dmp

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memory/1108-8-0x0000000000000000-mapping.dmp

Download
memory/1248-9-0x0000000000000000-mapping.dmp

Download
memory/1832-10-0x0000000000000000-mapping.dmp

Download
memory/4696-5-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4696-6-0x00007FFCF1760000-0x00007FFCF1D97000-memory.dmp

Filesize
6.2MB

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memory/4696-2-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4696-4-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4696-3-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4696-11-0x00007FF6E6050000-0x00007FF6E9606000-memory.dmp

Filesize
53.7MB

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memory/4696-12-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4696-13-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4696-14-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4696-15-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads