7841313327d7e973e4edfb59245d7a403a5d7f59174f83f37fb139d537bdbf17

General

Target

TXN.xls
Size

138KB
MD5

c45ef81e3c2f06ee9e6eec6615c8af22
SHA1

71ee9c48825816f1664cb923f606b4cc0a1f8cc2
SHA256

7841313327d7e973e4edfb59245d7a403a5d7f59174f83f37fb139d537bdbf17
SHA512

c50673b5dc2c1651aaac48ceb803ef99816195a0c1256b57a33bcb8338ac102d85cd32171331a8dd0304d52a3d86479a335906ec604dc27b37c7caa094e11af2

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://190.14.37.226/44485.9802664352.dat

xlm40.dropper

http://5.149.248.24/44485.9802664352.dat

xlm40.dropper

http://176.31.87.211/44485.9802664352.dat

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

regsvr32.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	1792	4396	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4900	4396	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4892	4396	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

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

4396 EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE
4396	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4396 wrote to memory of 1792	4396	EXCEL.EXE	regsvr32.exe
PID 4396 wrote to memory of 1792	4396	EXCEL.EXE	regsvr32.exe
PID 4396 wrote to memory of 4900	4396	EXCEL.EXE	regsvr32.exe
PID 4396 wrote to memory of 4900	4396	EXCEL.EXE	regsvr32.exe
PID 4396 wrote to memory of 4892	4396	EXCEL.EXE	regsvr32.exe
PID 4396 wrote to memory of 4892	4396	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\TXN.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac
2⤵
- Process spawned unexpected child process
PID:1792

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac1
2⤵
- Process spawned unexpected child process
PID:4900

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac2
2⤵
- Process spawned unexpected child process
PID:4892

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

Replay Monitor

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Downloads

memory/1792-278-0x0000000000000000-mapping.dmp

Download
memory/4396-120-0x0000024F461A0000-0x0000024F461A2000-memory.dmp

Filesize
8KB

Download
memory/4396-117-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4396-118-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4396-119-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4396-121-0x0000024F461A0000-0x0000024F461A2000-memory.dmp

Filesize
8KB

Download
memory/4396-115-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4396-122-0x0000024F461A0000-0x0000024F461A2000-memory.dmp

Filesize
8KB

Download
memory/4396-128-0x00007FFBE4510000-0x00007FFBE4520000-memory.dmp

Filesize
64KB

Download
memory/4396-129-0x00007FFBE4510000-0x00007FFBE4520000-memory.dmp

Filesize
64KB

Download
memory/4396-274-0x0000024F5B130000-0x0000024F5B134000-memory.dmp

Filesize
16KB

Download
memory/4396-116-0x00007FFBE8080000-0x00007FFBE8090000-memory.dmp

Filesize
64KB

Download
memory/4892-280-0x0000000000000000-mapping.dmp

Download
memory/4900-279-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads