5874238f75457428f416333cd9d9a38b9d3597819b2bec60a32a2a2a48f5fa66

General

Target

Document24852.xls
Size

342KB
MD5

a3bdf0de7ffa05fddf6c3e2e4ac70be5
SHA1

88ed9dce0a0de22c64699dbf2d3f8800dc4e6a4d
SHA256

8aec15f6b8a7cb7fd28c7a6ac60c1925a168e6bdf541de40fa2e4d8473802051
SHA512

fd988171e24475461dc0a027a1c24eae2da54f60d83dbcd31ad68643a5e43ad4d3a1bec2f6884ecd6a787e8a077f037248aa4ef29cf6db71d6c4ff10ae7b4883

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://neokenya.co.ke/ds/2402.gif

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

regsvr32.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	532	2028	regsvr32.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
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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

2028 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE

pid	process
2028	EXCEL.EXE

pid	process
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.exe
PID 2028 wrote to memory of 532	2028	EXCEL.EXE	regsvr32.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\Document24852.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" -s C:\ProgramData\usasuck.io
2⤵
- Process spawned unexpected child process
PID:532

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/532-6-0x0000000000000000-mapping.dmp

Download
memory/532-7-0x0000000075C31000-0x0000000075C33000-memory.dmp

Filesize
8KB

Download
memory/1776-5-0x000007FEF6B90000-0x000007FEF6E0A000-memory.dmp

Filesize
2.5MB

Download
memory/2028-2-0x000000002F401000-0x000000002F404000-memory.dmp

Filesize
12KB

Download
memory/2028-3-0x0000000071D11000-0x0000000071D13000-memory.dmp

Filesize
8KB

Download
memory/2028-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads