a74da8649fea66330816220b40520f3c1325f9ba993eef1f7cab6bf389fff6f6

General

Target

2b5c81678f0dcf599ccb6233e6e7cdf5188e80e7628e2ca831a14b4002a95025.xls
Size

277KB
MD5

1948bc3b2bf65c03c43a8ce5cac48dcf
SHA1

51b3a92fae730691ebe98542a328446c703aa74a
SHA256

2b5c81678f0dcf599ccb6233e6e7cdf5188e80e7628e2ca831a14b4002a95025
SHA512

566157b6bc604c0076340c62c58d2f1591520e81fa3d41b952b44b5ecf9a104895414bc3407310ab740f2537d3d70ab0840a5010f0f5eb9af0c7bf46a8f61ddf

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://195.123.220.67/44268.6285018519.dat

xlm40.dropper

http://45.150.67.127/44268.6285018519.dat

xlm40.dropper

http://181.215.47.82/44268.6285018519.dat

xlm40.dropper

http://reynare.com/sbazaa/44268.6285018519.dat

xlm40.dropper

http://hosting152231.a2e16.netcup.net/zhrzoxxo/44268.6285018519.dat

Signatures

Process spawned unexpected child process 5 IoCs

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

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exerundll32.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	548	1596	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	792	1596	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1152	1596	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	920	1596	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	864	1596	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\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
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 (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
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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1596 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1596 EXCEL.EXE
1596 EXCEL.EXE
1596 EXCEL.EXE

pid	process
1596	EXCEL.EXE

pid	process
1596	EXCEL.EXE
1596	EXCEL.EXE
1596	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 548	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 792	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 1152	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 920	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	EXCEL.EXE	rundll32.exe
PID 1596 wrote to memory of 864	1596	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\2b5c81678f0dcf599ccb6233e6e7cdf5188e80e7628e2ca831a14b4002a95025.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:548

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:792

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1152

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:920

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:864

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/548-6-0x0000000000000000-mapping.dmp

Download
memory/548-7-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/792-8-0x0000000000000000-mapping.dmp

Download
memory/864-14-0x0000000000000000-mapping.dmp

Download
memory/920-12-0x0000000000000000-mapping.dmp

Download
memory/1152-10-0x0000000000000000-mapping.dmp

Download
memory/1316-5-0x000007FEF7540000-0x000007FEF77BA000-memory.dmp

Filesize
2.5MB

Download
memory/1596-2-0x000000002FA61000-0x000000002FA64000-memory.dmp

Filesize
12KB

Download
memory/1596-3-0x0000000071331000-0x0000000071333000-memory.dmp

Filesize
8KB

Download
memory/1596-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads