bandook | 5175d32fcf938c4c14823d54b85a3217797bbf5733d5720f191e1911f47a2b83

Resubmissions

07-10-2022 00:49

221007-a6hxasbbf4 10

07-10-2022 00:13

221007-ahvaesbdcj 10

Analysis

max time kernel
500s
max time network
488s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
07-10-2022 00:13

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General

Target

Recibo de Pago.exe
Size

1.4MB
MD5

a896fbd8cffa0ec7ce702382c1998c10
SHA1

b31af0dac451c83954a092e8e6482d65a6f4f8be
SHA256

5175d32fcf938c4c14823d54b85a3217797bbf5733d5720f191e1911f47a2b83
SHA512

08408fc9f398ea066867dd15a97fdd110c7815c3dc36395550555501b261ccaf8aa7ce7739f52a9c25446b0533f87c9c1be56bf816e8b9e06e061c6d9414273e
SSDEEP

24576:ALGYO6yrG+Yi3eGdfszdIcNOmPdWjRtdIimNvBLVfGZ0ij01lQ7XthmX:crMDOULOTFBUtsP

Score

10^/10

bandook persistence rat trojan upx

Malware Config

Extracted

Family

bandook

deapproved.ru

Signatures

Bandook RAT
Bandook is a remote access tool written in C++ and shipped with a loader written in Delphi.
rat trojan bandook

Bandook payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3380-430-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral1/memory/3168-474-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/3380-380-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/3380-430-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/3168-474-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msinfo32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\FEAQ = "C:\\Users\\Admin\\AppData\\Roaming\\FEAQ\\FEAQ.exe"	msinfo32.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:

WINWORD.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3468 WINWORD.EXE
3468 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

3380 msinfo32.exe
3380 msinfo32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3468 WINWORD.EXE
3468 WINWORD.EXE
3468 WINWORD.EXE
3468 WINWORD.EXE
3468 WINWORD.EXE
3468 WINWORD.EXE
3468 WINWORD.EXE

pid	process
3468	WINWORD.EXE
3468	WINWORD.EXE

pid	process
3380	msinfo32.exe
3380	msinfo32.exe

pid	process
3468	WINWORD.EXE
3468	WINWORD.EXE
3468	WINWORD.EXE
3468	WINWORD.EXE
3468	WINWORD.EXE
3468	WINWORD.EXE
3468	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Recibo de Pago.exe

description	pid	process	target process
PID 4796 wrote to memory of 3380	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3380	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3380	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3380	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3380	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3168	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3168	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3168	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3168	4796	Recibo de Pago.exe	msinfo32.exe
PID 4796 wrote to memory of 3168	4796	Recibo de Pago.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Recibo de Pago.exe
"C:\Users\Admin\AppData\Local\Temp\Recibo de Pago.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4796

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3380

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Adds Run key to start application
PID:3168

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Documents\Files.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3468

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3168-431-0x0000000000000000-mapping.dmp

Download
memory/3168-474-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/3380-381-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-383-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-379-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-390-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-388-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-387-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-386-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-385-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-384-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-376-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-382-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-380-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/3380-389-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-430-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/3380-378-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-377-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3380-375-0x0000000000000000-mapping.dmp

Download
memory/3468-159-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-374-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-373-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-372-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-371-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-165-0x00007FFD9DD80000-0x00007FFD9DD90000-memory.dmp

Filesize
64KB

Download
memory/3468-164-0x00007FFD9DD80000-0x00007FFD9DD90000-memory.dmp

Filesize
64KB

Download
memory/3468-161-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-160-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3468-158-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/4796-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-151-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-143-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-150-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-141-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-120-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-127-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-123-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4796-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download