58d4b3497f752548e1a766c38a8ef424e186e024242bbf00199646507e1f22b1

General

Target

58d4b3497f752548e1a766c38a8ef424e186e024242bbf00199646507e1f22b1.xls
Size

95KB
MD5

c615052514376bf9f8c22c009644b023
SHA1

febcb27c2b1538e97198fdeffddcd2bf07ed91bd
SHA256

58d4b3497f752548e1a766c38a8ef424e186e024242bbf00199646507e1f22b1
SHA512

fd795e4a15db481bab5b8ebaac2ca38f10e28563c17afc820b41a8e1984c458edae90d22f8f29b2443294e137a93eaa15ca742133580bad303b535c9ee42f10e
SSDEEP

1536:raaaa1uWTZm02IpQnWGbrzQ7ITkV++a62l2M88ecJtXwpKev:fuhWGbrzQ7ITkYhjdJtXwYu

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	704	1176	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	892	1176	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1352	1176	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1832	1176	wscript.exe	27

Deletes itself 1 IoCs

pid	Process
1176	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

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\889D6000\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1176	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1176	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1176	EXCEL.EXE
1176	EXCEL.EXE
1176	EXCEL.EXE
1176	EXCEL.EXE
1176	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 704	1176	EXCEL.EXE	28
PID 1176 wrote to memory of 704	1176	EXCEL.EXE	28
PID 1176 wrote to memory of 704	1176	EXCEL.EXE	28
PID 1176 wrote to memory of 704	1176	EXCEL.EXE	28
PID 1176 wrote to memory of 892	1176	EXCEL.EXE	29
PID 1176 wrote to memory of 892	1176	EXCEL.EXE	29
PID 1176 wrote to memory of 892	1176	EXCEL.EXE	29
PID 1176 wrote to memory of 892	1176	EXCEL.EXE	29
PID 1176 wrote to memory of 1352	1176	EXCEL.EXE	31
PID 1176 wrote to memory of 1352	1176	EXCEL.EXE	31
PID 1176 wrote to memory of 1352	1176	EXCEL.EXE	31
PID 1176 wrote to memory of 1352	1176	EXCEL.EXE	31
PID 704 wrote to memory of 1948	704	cmd.exe	34
PID 704 wrote to memory of 1948	704	cmd.exe	34
PID 704 wrote to memory of 1948	704	cmd.exe	34
PID 704 wrote to memory of 1948	704	cmd.exe	34
PID 1176 wrote to memory of 1832	1176	EXCEL.EXE	35
PID 1176 wrote to memory of 1832	1176	EXCEL.EXE	35
PID 1176 wrote to memory of 1832	1176	EXCEL.EXE	35
PID 1176 wrote to memory of 1832	1176	EXCEL.EXE	35

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1948	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\58d4b3497f752548e1a766c38a8ef424e186e024242bbf00199646507e1f22b1.xls
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1176
- 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:704
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1948
- 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:892
- 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:1352
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\System32\wscript.exe" E:\KK\58d4b3497f752548e1a766c38a8ef424e186e024242bbf00199646507e1f22b1_Search.vbs
  2⤵
  - Process spawned unexpected child process
  PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1176-54-0x000000002F2C1000-0x000000002F2C4000-memory.dmp

Filesize
12KB

Download
memory/1176-55-0x0000000071131000-0x0000000071133000-memory.dmp

Filesize
8KB

Download
memory/1176-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1176-57-0x000000007211D000-0x0000000072128000-memory.dmp

Filesize
44KB

Download
memory/1176-58-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1176-428-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1176-429-0x000000007211D000-0x0000000072128000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads