78bccdfce650d1b0c3023ed1cf7174625e88af831865a926c927a320c1177e10

General

Target

Account-1579644703.xls
Size

534KB
MD5

65a32f108d3c8a6cc8d7813b9892a952
SHA1

58f1ec7f794a717acfef21f2e1718a80e76d41c5
SHA256

6410cdf429baab84d583828623814316317029059eb46d8eab9a755bf234c612
SHA512

5a9e430794bee2f27dd376f98617a718702600d4ef1a069c16da895c0848c2d3b5372ebf9a7fe5dec5a32427503433bef52bd42349a0b65b995175d80054b84a

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://194.36.191.30/44491.4240451389.dat

xlm40.dropper

http://23.106.122.40/44491.4240451389.dat

xlm40.dropper

http://94.140.112.52/44491.4240451389.dat

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.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	1104	1108	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1148	1108	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	984	1108	regsvr32.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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1108 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

1108 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE
1108 EXCEL.EXE

pid	process
1108	EXCEL.EXE

pid	process
1108	EXCEL.EXE

pid	process
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1104	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 1148	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.exe
PID 1108 wrote to memory of 984	1108	EXCEL.EXE	regsvr32.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\Account-1579644703.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:1108

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -silent ..\Celod.wac
2⤵
- Process spawned unexpected child process
PID:1104

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -silent ..\Celod.wac1
2⤵
- Process spawned unexpected child process
PID:1148

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -silent ..\Celod.wac2
2⤵
- Process spawned unexpected child process
PID:984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/984-61-0x0000000000000000-mapping.dmp

Download
memory/1104-57-0x0000000000000000-mapping.dmp

Download
memory/1104-58-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/1108-54-0x000000002F5E1000-0x000000002F5E4000-memory.dmp

Filesize
12KB

Download
memory/1108-55-0x0000000071C51000-0x0000000071C53000-memory.dmp

Filesize
8KB

Download
memory/1108-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1148-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads