42588f7afd19d6860fd55d76e9939f8f24d7b17dd79d8ddd793a26ac1fd43f0d

General

Target

42588f7afd19d6860fd55d76e9939f8f24d7b17dd79d8ddd793a26ac1fd43f0d.xls
Size

67KB
MD5

ee1ac51529368a0229dde39966ef1783
SHA1

5016460ed87bb0e303f81b99be6577ae60cb9f96
SHA256

42588f7afd19d6860fd55d76e9939f8f24d7b17dd79d8ddd793a26ac1fd43f0d
SHA512

eca4c88b028997fbb0e68efb6561eedda319e3842256f1c579b96dfe6b66908061fe2b1c75bf84d316c230331d20dfebbd1636b411c0100f7442a5ea89cd57c1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.clasite.com/blogs/IEEsyn/

xlm40.dropper

https://oncrete-egy.com/wp-content/V6Igzw8/

xlm40.dropper

http://opencart-destek.com/catalog/OqHwQ8xlWa5Goyo/

xlm40.dropper

http://www.pjesacac.com/components/O93XXhMN3tOtTlV/

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	3548	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3524	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4436	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3184	4612	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

4612 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4612 EXCEL.EXE
4612 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4612 wrote to memory of 3548	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3548	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3524	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3524	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 4436	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 4436	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3184	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3184	4612	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\42588f7afd19d6860fd55d76e9939f8f24d7b17dd79d8ddd793a26ac1fd43f0d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
2⤵
- Process spawned unexpected child process
PID:3548

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
2⤵
- Process spawned unexpected child process
PID:3524

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
2⤵
- Process spawned unexpected child process
PID:4436

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
2⤵
- Process spawned unexpected child process
PID:3184

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/3184-253-0x0000000000000000-mapping.dmp

Download
memory/3524-251-0x0000000000000000-mapping.dmp

Download
memory/3548-248-0x0000000000000000-mapping.dmp

Download
memory/4436-252-0x0000000000000000-mapping.dmp

Download
memory/4612-114-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-115-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-116-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-117-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-126-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download
memory/4612-127-0x00007FFCDAC90000-0x00007FFCDACA0000-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