84558e229b112f64c102cb38404f83d6f865ef89df90ffd83d8bbb60e8427dde

Analysis

max time kernel
71s
max time network
129s
platform
windows7_x64
resource
win7v20201028
submitted
02/04/2021, 10:07

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General

Target
documents-95598302.xlsm
Size 92KB
Sample210402-pm15b7cdxj
SHA256 84558e229b112f64c102cb38404f83d6f865ef89df90ffd83d8bbb60e8427dde
MD5 bb89c6f12bb7e6615bab48b1af6fa0f0
SHA1 4aa28ceddfa9de92dfd72a351575fa46c6e1d942
SHA512 22c1c9c1fbae067aff69a13e65383ac04174e3208ed8a530f20c6a3d4de162bce363ec781a39eea66480aef2eae9adfa8c7c7d4708872b7891ca7dbd7b105d99
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://jaishritours.com/ds/0204.gif
xlm40.dropper
https://digitalcreations.co.in/ds/0204.gif
xlm40.dropper
https://unityindiversity.in/ds/0204.gif
xlm40.dropper
https://utabmis.ac.rw/ds/0204.gif
xlm40.dropper
https://pinkpaprika.co.uk/ds/0204.gif

Signatures

Process spawned unexpected child process 5 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	1760	1084	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1012	1084	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1108	1084	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	812	1084	rundll32.exe	24
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1640	1084	rundll32.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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1084	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1760	1084	EXCEL.EXE	31
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1012	1084	EXCEL.EXE	32
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 1108	1084	EXCEL.EXE	33
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 812	1084	EXCEL.EXE	34
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35
PID 1084 wrote to memory of 1640	1084	EXCEL.EXE	35

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\documents-95598302.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\nvcoerf.vlb,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\nvcoerf.vlb1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\nvcoerf.vlb2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\nvcoerf.vlb3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\nvcoerf.vlb4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1640

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/1084-5-0x0000000000480000-0x0000000000481000-memory.dmp

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memory/1084-2-0x000000002F391000-0x000000002F394000-memory.dmp

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memory/1084-9-0x0000000000480000-0x0000000000481000-memory.dmp

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memory/1084-7-0x0000000000480000-0x0000000000481000-memory.dmp

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memory/1084-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

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memory/1084-3-0x0000000071BA1000-0x0000000071BA3000-memory.dmp

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memory/1760-12-0x00000000767C1000-0x00000000767C3000-memory.dmp

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memory/1956-10-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads