a4a0ee536fd695e0535c18c64207f4a9d9c4fcc8ec1c824312030717ed7e0b4e

General

Target

SecuriteInfo.com.Heur.6408.3847.xls
Size

192KB
MD5

1457f0e25226d9cf6910c26fbab8ea02
SHA1

623664b66c2ac1be3c810416fd6853cef2c77c30
SHA256

a4a0ee536fd695e0535c18c64207f4a9d9c4fcc8ec1c824312030717ed7e0b4e
SHA512

c88ca374d76d8e096e325b9a71349227ef3bd8be6dc4d045aa2bb49e905a95a0547e7103bdb52d976fbf64bd1cbd4b11bb692ae39c40077ede7ab67d5468404b

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	1096	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\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
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
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 (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
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	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

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 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	1616	EXCEL.EXE	rundll32.exe
PID 1616 wrote to memory of 1096	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.6408.3847.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:1096

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/1096-6-0x0000000000000000-mapping.dmp

Download
memory/1096-7-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/1192-5-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp

Filesize
2.5MB

Download
memory/1616-2-0x000000002F0D1000-0x000000002F0D4000-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