bandook | c1c7a5fe3203fe7ecd6b4581a12f85803174d5e2b8df2e98cccb8a5d740b1d36

Resubmissions

24-01-2023 19:33

230124-x9v3csdd45 10

24-01-2023 19:30

230124-x7w7msfa3x 1

Analysis

max time kernel
429s
max time network
581s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-01-2023 19:33

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General

Target

Cancelar Factura.exe
Size

2.9MB
MD5

5c3cb19563848d0bee7238a6bf55abc9
SHA1

766737ca6149bcd018ef7cfce49b3b90fe0325d9
SHA256

c1c7a5fe3203fe7ecd6b4581a12f85803174d5e2b8df2e98cccb8a5d740b1d36
SHA512

bbf31136b59edfc1c630a96e348a20d7f494e999534e19aea565ca9c2f074f27be8bac27ccf07165c5f025daa955741a131424250a543d83e6e46fed2af44341
SSDEEP

49152:Ofc6jhQyaOKBcZt7MUt0dfwwWC1R9Jbl8/u5K:O062yaOt

Score

10^/10

bandook persistence rat trojan upx

Malware Config

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/748-63-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/748-64-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/2008-72-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/2008-73-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/748-60-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/748-62-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/748-63-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/748-64-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/2008-72-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/2008-73-0x0000000013140000-0x0000000014009000-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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\QPW = "C:\\Users\\Admin\\AppData\\Roaming\\QPW\\QPW.exe"	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

msinfo32.exe

pid process

748 msinfo32.exe

pid	process
748	msinfo32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Cancelar Factura.exeCancelar Factura.exe

description	pid	process	target process
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 792 wrote to memory of 524	792	Cancelar Factura.exe	Cancelar Factura.exe
PID 792 wrote to memory of 524	792	Cancelar Factura.exe	Cancelar Factura.exe
PID 792 wrote to memory of 524	792	Cancelar Factura.exe	Cancelar Factura.exe
PID 792 wrote to memory of 524	792	Cancelar Factura.exe	Cancelar Factura.exe
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 792 wrote to memory of 748	792	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe
PID 524 wrote to memory of 2008	524	Cancelar Factura.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Cancelar Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Cancelar Factura.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:792

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:748

C:\Users\Admin\AppData\Local\Temp\Cancelar Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Cancelar Factura.exe" ooooooooooooooo
2⤵
- Suspicious use of WriteProcessMemory
PID:524

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
3⤵
- Adds Run key to start application
PID:2008

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/524-55-0x0000000000000000-mapping.dmp

Download
memory/748-57-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/748-59-0x0000000000000000-mapping.dmp

Download
memory/748-60-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/748-62-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/748-63-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/748-64-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/792-54-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/2008-67-0x0000000000000000-mapping.dmp

Download
memory/2008-72-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2008-73-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download