0dc27f1e48a12aec2738478138a2d3928d5a88bf48754f2a4e83393cb2c8e153

General

Target

0dc27f1e48a12aec2738478138a2d3928d5a88bf48754f2a4e83393cb2c8e153.xls
Size

95KB
MD5

b10b7cbe15d1eebb47778f279193ccf2
SHA1

eff69538e9c8a22ad04b185a5a540a78ac64d18f
SHA256

0dc27f1e48a12aec2738478138a2d3928d5a88bf48754f2a4e83393cb2c8e153
SHA512

53e28414662ddaf7aee2a2a32f9eb4b015eb74de8fdbe5515c383a46e1aa97f67ef55a1a815a4e71d292e3775639e82c27c0688adc53d5109685f36ee11001f1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2736	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	852	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1300	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1308	3784	regsvr32.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3784 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3784 wrote to memory of 2736	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 2736	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 852	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 852	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1300	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1300	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1308	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1308	3784	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0dc27f1e48a12aec2738478138a2d3928d5a88bf48754f2a4e83393cb2c8e153.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3784

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2736

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:852

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1300

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/852-277-0x0000000000000000-mapping.dmp

Download
memory/1300-279-0x0000000000000000-mapping.dmp

Download
memory/1308-281-0x0000000000000000-mapping.dmp

Download
memory/2736-276-0x0000000000000000-mapping.dmp

Download
memory/3784-118-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-119-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-120-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-121-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-130-0x00007FFDC5600000-0x00007FFDC5610000-memory.dmp

Filesize
64KB

Download
memory/3784-131-0x00007FFDC5600000-0x00007FFDC5610000-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