6fd4e8614714081b43ee0a3ac097e228ee1ddb7829e9c64ecc8b35bf5a5cd575

General

Target

3741.xlsm
Size

25KB
MD5

c3dbd59f0fbea52b29054e009ceb9d0d
SHA1

639592d885f5c7dd3fdcd2987883985d1cb4e6a9
SHA256

6fd4e8614714081b43ee0a3ac097e228ee1ddb7829e9c64ecc8b35bf5a5cd575
SHA512

39a8ca3f869b71f02abcc184af3bbc20adb3e2d9b871cdd3d10f975b0485e88d5161b1f1b0c7594b3ce3c7223ac0895607481b579c15791b24989b667b4e10ca

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://tcommerceshop.com/server.php

xlm40.dropper

https://fernandogaleano.com/server.php

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

reg.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	400	1932	reg.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1492	1932	rundll32.exe	EXCEL.EXE

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

1932 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

pid	process
1932	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\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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE

pid	process
1932	EXCEL.EXE

pid	process
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1932 wrote to memory of 400	1932	EXCEL.EXE	reg.exe
PID 1932 wrote to memory of 400	1932	EXCEL.EXE	reg.exe
PID 1932 wrote to memory of 400	1932	EXCEL.EXE	reg.exe
PID 1932 wrote to memory of 400	1932	EXCEL.EXE	reg.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1492	1932	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\3741.xlsm
1⤵
- Deletes itself
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" EXPORT HKCU\Software\Microsoft\Office\14.0\Excel\Security C:\Users\Public\Documents\igomV.txt /y
2⤵
- Process spawned unexpected child process
PID:400

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\LoUuIPT.txt,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1492

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

C:\Users\Public\Documents\igomV.txt
MD5
1084b35cb1aecef496dfdb263760a40c

SHA1
43d95f062749f3143838fe39460b3c5d541e194a

SHA256
48ccd7a8ed9873ff73eec7252ed9ce2882389aa43a5ec5ad072168c43320b25c

SHA512
9dbcfe0f39e04700f252b95cfb73a7977fe7a2ffe8de98510c9f62988300754c4e8eeb0a152ad87db71b28ee8c2fcb97d136215d2898ccbee5b8837a31eb7212

Download Submit
memory/272-8-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp

Filesize
2.5MB

Download
memory/400-6-0x0000000000000000-mapping.dmp

Download
memory/1492-9-0x0000000000000000-mapping.dmp

Download
memory/1492-10-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1932-2-0x000000002F691000-0x000000002F694000-memory.dmp

Filesize
12KB

Download
memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmp

Filesize
8KB

Download
memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1932-5-0x0000000001F70000-0x0000000001F71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads