b7bcd8b1615a74d01081f68a3ce030e71515f741fd824bbe579e822bde146c6e

General

Target

b7bcd8b1615a74d01081f68a3ce030e71515f741fd824bbe579e822bde146c6e.xls
Size

89KB
MD5

e04396a6847dec1feed61fe3f75236d2
SHA1

ce29f6f112a69cf833af95d9ad5bb2828a073a8e
SHA256

b7bcd8b1615a74d01081f68a3ce030e71515f741fd824bbe579e822bde146c6e
SHA512

73a2a31b7dd80353d2606998ec4071a65ae3a149f22a7e0f313580526846abfd004795742817d09c2772a4a4b48e0753f54ce43f08d2873c53c21f159538851e
SSDEEP

1536:nzzzXhxslLTWVbrzQ7ISBnkR62lGM88ScJiXwc/dF:iWVbrzQ7I0k9tjhJiXwGdF

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1064	556	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1952	556	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1304	556	cmd.exe	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

556 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

556 EXCEL.EXE
556 EXCEL.EXE
556 EXCEL.EXE

pid	process
556	EXCEL.EXE

pid	process
556	EXCEL.EXE
556	EXCEL.EXE
556	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 556 wrote to memory of 1064	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1064	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1064	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1064	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1952	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1952	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1952	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1952	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1304	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1304	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1304	556	EXCEL.EXE	cmd.exe
PID 556 wrote to memory of 1304	556	EXCEL.EXE	cmd.exe
PID 1064 wrote to memory of 1972	1064	cmd.exe	attrib.exe
PID 1064 wrote to memory of 1972	1064	cmd.exe	attrib.exe
PID 1064 wrote to memory of 1972	1064	cmd.exe	attrib.exe
PID 1064 wrote to memory of 1972	1064	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1972 attrib.exe

pid	process
1972	attrib.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b7bcd8b1615a74d01081f68a3ce030e71515f741fd824bbe579e822bde146c6e.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\SysWOW64\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:1064

C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1972

C:\Windows\SysWOW64\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:1952

C:\Windows\SysWOW64\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:1304

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/556-75-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-86-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/556-57-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/556-54-0x000000002F421000-0x000000002F424000-memory.dmp

Filesize
12KB

Download
memory/556-85-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-84-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-74-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-83-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-73-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-81-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-80-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-79-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-78-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-77-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-76-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-58-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download
memory/556-55-0x00000000711E1000-0x00000000711E3000-memory.dmp

Filesize
8KB

Download
memory/556-82-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-71-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-72-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-70-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-69-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-68-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-67-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-66-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-65-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-87-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-109-0x0000000000384000-0x0000000000388000-memory.dmp

Filesize
16KB

Download
memory/556-223-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/1064-219-0x0000000000000000-mapping.dmp

Download
memory/1304-221-0x0000000000000000-mapping.dmp

Download
memory/1952-220-0x0000000000000000-mapping.dmp

Download
memory/1972-222-0x0000000000000000-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