69ab644fb35bff52b9fb5b4d8cff404ea4269d01a0dc34ab7bac1fd9e353ef09

Resubmissions

17/12/2020, 18:31

201217-fxv9p8zbw6 10

06/10/2020, 11:21

201006-tp1644sm8j 8

Analysis

max time kernel
63s
max time network
103s
platform
windows7_x64
resource
win7v20201028
submitted
17/12/2020, 18:31

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General

Target

inv1535.xls
Size

41KB
MD5

a25f16b71feac96810800c7d281a93d8
SHA1

e5d716e4d3687e79e99a70607bcbcec37ebfa73d
SHA256

69ab644fb35bff52b9fb5b4d8cff404ea4269d01a0dc34ab7bac1fd9e353ef09
SHA512

36e1890c5f269af77af20639048866267aec0d3d6a5184a35d89f7fd7c62a6406ea485801760b8301a8fcf73202c597499b061cb547f5ba37282b8be6c3c88bf

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://hacemosmarketingdigital.com.ar/6bbktc.php

xlm40.dropper

https://heimat-harz.com/zgwykq.php

xlm40.dropper

https://hgt.vaduni.vn/tjxxhk.php

xlm40.dropper

https://hoanggiang.tk/kgqbsf.php

Signatures

Process spawned unexpected child process 1 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	1156	1096	explorer.exe	24

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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
592	reg.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1096	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1156	1096	EXCEL.EXE	26
PID 1096 wrote to memory of 1156	1096	EXCEL.EXE	26
PID 1096 wrote to memory of 1156	1096	EXCEL.EXE	26
PID 1096 wrote to memory of 1156	1096	EXCEL.EXE	26
PID 2036 wrote to memory of 1840	2036	explorer.exe	28
PID 2036 wrote to memory of 1840	2036	explorer.exe	28
PID 2036 wrote to memory of 1840	2036	explorer.exe	28
PID 1840 wrote to memory of 592	1840	cmd.exe	33
PID 1840 wrote to memory of 592	1840	cmd.exe	33
PID 1840 wrote to memory of 592	1840	cmd.exe	33

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\inv1535.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\explorer.exe
  explorer C:\Windows\System32\cmd.exe
  2⤵
  - Process spawned unexpected child process
  PID:1156

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\system32\reg.exe
    reg query HKCU\Software\Microsoft\Office\14.0\Excel\Security /v VBAWarnings
    3⤵
    - Modifies registry key
    PID:592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1328-6-0x000007FEF77D0000-0x000007FEF7A4A000-memory.dmp

Filesize
2.5MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads