ad682974afe24641e8f2aa645a02f24bafd8595d6746ad789e4ef351807c6399

General

Target

PRMS_558161433.xls
Size

134KB
MD5

ce9aef0eeccadcb8bbf463e2158e718c
SHA1

50ed2e5bbe1ac51ae8a26f005f17ba14ef30be88
SHA256

ad682974afe24641e8f2aa645a02f24bafd8595d6746ad789e4ef351807c6399
SHA512

f43a45179311a42e6d707bc1b01b87da7449ab4fce931ec119bcb2df5e4686907c2c204668fd715da77cb0bceba6917e9ae957412faaaa3ca90c8d15fb6b8225

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://185.244.150.172/44483.2697261574.dat

xlm40.dropper

http://185.123.53.220/44483.2697261574.dat

xlm40.dropper

http://101.99.90.219/44483.2697261574.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	3196	3144	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1380	3144	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1456	3144	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3144 EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3144 wrote to memory of 3196	3144	EXCEL.EXE	regsvr32.exe
PID 3144 wrote to memory of 3196	3144	EXCEL.EXE	regsvr32.exe
PID 3144 wrote to memory of 1380	3144	EXCEL.EXE	regsvr32.exe
PID 3144 wrote to memory of 1380	3144	EXCEL.EXE	regsvr32.exe
PID 3144 wrote to memory of 1456	3144	EXCEL.EXE	regsvr32.exe
PID 3144 wrote to memory of 1456	3144	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\PRMS_558161433.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac
2⤵
- Process spawned unexpected child process
PID:3196

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac1
2⤵
- Process spawned unexpected child process
PID:1380

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent ..\Celod.wac2
2⤵
- Process spawned unexpected child process
PID:1456

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/1380-284-0x0000000000000000-mapping.dmp

Download
memory/1456-285-0x0000000000000000-mapping.dmp

Download
memory/3144-121-0x000001AD1A1D0000-0x000001AD1A1D2000-memory.dmp

Filesize
8KB

Download
memory/3144-118-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3144-119-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3144-120-0x000001AD1A1D0000-0x000001AD1A1D2000-memory.dmp

Filesize
8KB

Download
memory/3144-115-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3144-122-0x000001AD1A1D0000-0x000001AD1A1D2000-memory.dmp

Filesize
8KB

Download
memory/3144-128-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download
memory/3144-129-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download
memory/3144-275-0x000001AD2EBE0000-0x000001AD2EBE4000-memory.dmp

Filesize
16KB

Download
memory/3144-117-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3144-116-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3196-283-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads