d86896f1def9f83dac839aec032825ec7034dbe11ac0a4d80e24620fe8c1341a

General

Target

Debt-Details-1866838507-03052021.xls
Size

78KB
MD5

8c01f8797ce7a38a48ea85806ff0f27b
SHA1

f350104ed4321364a275b6dcd27f24b8a3a50164
SHA256

e28619a0407b048a7a5f9875ad8725bc39ff8fc02172c0ead54de82265156b33
SHA512

451063610fcb2bd6861831ff8e549adc78f8e25ce8235f4029dc635f47481c019bdcb8fa8c8ed399daa5ae20f7cc8b5dbe2a92f32a336830d24f0190d31090f3

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44261.2650854167.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44261.2650854167.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44261.2650854167.dat

xlm40.dropper

http://giftcard16.com/pghxph/44261.2650854167.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44261.2650854167.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	936	800	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1040	800	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	684	800	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	544	800	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	524	800	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\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
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

800 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

800 EXCEL.EXE
800 EXCEL.EXE
800 EXCEL.EXE

pid	process
800	EXCEL.EXE

pid	process
800	EXCEL.EXE
800	EXCEL.EXE
800	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 936	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 1040	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 684	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 544	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	EXCEL.EXE	rundll32.exe
PID 800 wrote to memory of 524	800	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\Debt-Details-1866838507-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:936

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1040

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:684

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:544

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:524

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/524-14-0x0000000000000000-mapping.dmp

Download
memory/544-12-0x0000000000000000-mapping.dmp

Download
memory/684-10-0x0000000000000000-mapping.dmp

Download
memory/800-2-0x000000002FB61000-0x000000002FB64000-memory.dmp

Filesize
12KB

Download
memory/800-3-0x0000000071B21000-0x0000000071B23000-memory.dmp

Filesize
8KB

Download
memory/800-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/936-6-0x0000000000000000-mapping.dmp

Download
memory/936-7-0x0000000076C21000-0x0000000076C23000-memory.dmp

Filesize
8KB

Download
memory/1040-8-0x0000000000000000-mapping.dmp

Download
memory/1752-5-0x000007FEF69C0000-0x000007FEF6C3A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads