4d7a8454b0c02290f56b0b4f6ca7179c97c0e8968ca11703df7791f23b7efb78

General

Target

document-2085338455.xls
Size

86KB
MD5

8b83dc8f696b7f05e96b2eeffaf79958
SHA1

7e7898cf19dff89da705339b262e9ee07afb5165
SHA256

527294d886bd4fe9eb2d98e9b1fd58e0b5ac2c30c7f57946a137609e7a25a06b
SHA512

68c0b05649251b477496a34577f38b96449369d09b8d7c0e16d8f02a8ace55f8fa07120da39f8c0800366006e50717fb2e514a70fc6f270f10c577d30245b25a

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://inpa02lzjvt03anas.com/index.xls

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	1072	1096	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
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
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\Toolbar	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE

pid	process
1096	EXCEL.EXE

pid	process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1072	1096	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\document-2085338455.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Ihjsazcx.rke rundll
2⤵
- Process spawned unexpected child process
PID:1072

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/1072-6-0x0000000000000000-mapping.dmp

Download
memory/1072-7-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1096-2-0x000000002FE71000-0x000000002FE74000-memory.dmp

Filesize
12KB

Download
memory/1096-3-0x0000000071951000-0x0000000071953000-memory.dmp

Filesize
8KB

Download
memory/1096-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1800-5-0x000007FEF7AA0000-0x000007FEF7D1A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads