2cdd77f5b0315c629a12ae45d18d6868141b5182bb3d665fe8a5a378656ede1b

General

Target

2cdd77f5b0315c629a12ae45d18d6868141b5182bb3d665fe8a5a378656ede1b.xls
Size

82KB
MD5

261e9906ba6d2964284bb4d5bfab992f
SHA1

b45bdf2dfcd8f29d344f4481cb8e56ba65f875e7
SHA256

2cdd77f5b0315c629a12ae45d18d6868141b5182bb3d665fe8a5a378656ede1b
SHA512

8892b2c18ece80fa35c3d284882232b2680a2c9d99c1fe0a9b3d1bb4b125c2285382dc9dccd5999eec7fa284a27e1007222f7477413d4c6ed87d2100694b135e
SSDEEP

1536:e3333TC+LUAIMAN2jcc0lbxOqTgZEM88ScJtX+3p+EA:T52jcc0lbxOKQjhJtX+AEA

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	3400	4656	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2796	4656	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4036	4656	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4656 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE
4656	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4656 wrote to memory of 3400	4656	EXCEL.EXE	cmd.exe
PID 4656 wrote to memory of 3400	4656	EXCEL.EXE	cmd.exe
PID 4656 wrote to memory of 2796	4656	EXCEL.EXE	cmd.exe
PID 4656 wrote to memory of 2796	4656	EXCEL.EXE	cmd.exe
PID 4656 wrote to memory of 4036	4656	EXCEL.EXE	cmd.exe
PID 4656 wrote to memory of 4036	4656	EXCEL.EXE	cmd.exe
PID 3400 wrote to memory of 4660	3400	cmd.exe	attrib.exe
PID 3400 wrote to memory of 4660	3400	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4660 attrib.exe

pid	process
4660	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\2cdd77f5b0315c629a12ae45d18d6868141b5182bb3d665fe8a5a378656ede1b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656

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:3400

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4660

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:2796

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:4036

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

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Downloads

memory/2796-140-0x0000000000000000-mapping.dmp

Download
memory/3400-139-0x0000000000000000-mapping.dmp

Download
memory/4036-141-0x0000000000000000-mapping.dmp

Download
memory/4656-135-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-136-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-137-0x00007FFA0E470000-0x00007FFA0E480000-memory.dmp

Filesize
64KB

Download
memory/4656-138-0x00007FFA0E470000-0x00007FFA0E480000-memory.dmp

Filesize
64KB

Download
memory/4656-132-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-134-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-133-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-144-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-145-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-146-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4656-147-0x00007FFA10630000-0x00007FFA10640000-memory.dmp

Filesize
64KB

Download
memory/4660-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads