01061a2b7b23aa4d1392e205cc53d42b711d5dd34dc984a8e7ac42a00aaa6f32

General

Target

SecuriteInfo.com.Heur.16252.30096.xls
Size

192KB
MD5

5d750685769db97885c3507d79e6442c
SHA1

9e0db7f9c5d5ad9bbff0fa172dff83a988962e20
SHA256

01061a2b7b23aa4d1392e205cc53d42b711d5dd34dc984a8e7ac42a00aaa6f32
SHA512

0711aff5be5d567dd63a5ae92c6fa38e728f24c6be9f381d0cd70ea1d7d8d82a05a3ff10afc13745fe966e96ae6836cbd23924ec2b1a2a7aafd4268c71601e66

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://gogorv.net/parseopml/intel.php

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.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	812	1616	rundll32.exe	EXCEL.EXE

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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
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\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\Se&nd to OneNote	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 (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
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
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	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1616 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1616 EXCEL.EXE
1616 EXCEL.EXE
1616 EXCEL.EXE

pid	process
1616	EXCEL.EXE

pid	process
1616	EXCEL.EXE
1616	EXCEL.EXE
1616	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 812	1616	EXCEL.EXE	rundll32.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\SecuriteInfo.com.Heur.16252.30096.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Frost.bitte,DllRegisterServer1
2⤵
- Process spawned unexpected child process
PID:812

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/812-6-0x0000000000000000-mapping.dmp

Download
memory/812-7-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/1420-5-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp

Filesize
2.5MB

Download
memory/1616-2-0x000000002FA51000-0x000000002FA54000-memory.dmp

Filesize
12KB

Download
memory/1616-3-0x0000000071A81000-0x0000000071A83000-memory.dmp

Filesize
8KB

Download
memory/1616-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads