7d72b56d5655b1d1062664af0c19b7214087526f7904b8e0916a2d957b715f45

General

Target

societ_2502.xlsb
Size

60KB
MD5

57e0c0017fab8f5b3ee506128e976787
SHA1

918056491e12dcf4b3a64e7968412b88cabfc856
SHA256

7d72b56d5655b1d1062664af0c19b7214087526f7904b8e0916a2d957b715f45
SHA512

961210404526970ad8d6789b4911397fb726ce138c1de7a0413cc398c711a26cf87659661fc9b33e384434a2741e9c5bbc1ce41d7e2d0bf83910f1fbe7cd0c7c

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://linestata.bar/register.jpg

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	560	1652	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	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\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
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\Toolbar\ShowDiscussionButton = "Yes"	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE

pid	process
1652	EXCEL.EXE

pid	process
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 560	1652	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\societ_2502.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:560

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/560-6-0x0000000000000000-mapping.dmp

Download
memory/560-7-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1616-5-0x000007FEF7800000-0x000007FEF7A7A000-memory.dmp

Filesize
2.5MB

Download
memory/1652-2-0x000000002F841000-0x000000002F844000-memory.dmp

Filesize
12KB

Download
memory/1652-3-0x00000000715B1000-0x00000000715B3000-memory.dmp

Filesize
8KB

Download
memory/1652-4-0x000000005FFF0000-0x0000000060000000-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