aae1300f065f66d36cb287b0a56987577cea0f33b71671cb9752014dcbbda2da

General

Target

Complaint-1706521923-05062021.xlsm
Size

109KB
MD5

49da35a88565be68fed3b6ea2cc12be2
SHA1

a50f568a3594dde5ae39e96209e2c10d809b2895
SHA256

edbfdcd26ed04df1b2f472845f4a701f569acf032f8bfba3998927caf04539e6
SHA512

2ce4c38ef466afc4c12b1d37dc5011e2f1113f37cedfaeb3f4b0444ba31fb3c2a0c7b84670f07722210dbe1f8cd8d0e05590a417de8f988d4c8eae6a6d8a6067

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://91.211.91.82/44313,6048108796.dat

xlm40.dropper

http://82.117.252.199/44313,6048108796.dat

xlm40.dropper

http://45.138.157.43/44313,6048108796.dat

Signatures

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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

1056 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE
1056 EXCEL.EXE

pid	process
1056	EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.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\Complaint-1706521923-05062021.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1056

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/1056-59-0x000000002FE31000-0x000000002FE34000-memory.dmp

Filesize
12KB

Download
memory/1056-60-0x0000000071701000-0x0000000071703000-memory.dmp

Filesize
8KB

Download
memory/1056-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads