bandook | a533f5bbfd62e07a97f1930081e752624915468aee9d88d4f9caa7106b0ee187 | Triage

Analysis

max time kernel
255s
max time network
267s
platform
windows10-2004_x64
resource
win10v2004-20220812-es
resource tags

arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
05-09-2022 20:41

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General

Target

AVISO DE PAGO SEPTIEMBRE_01A.exe
Size

3.1MB
MD5

7426cab16d83565016af7e83bd592980
SHA1

63f45648ebfa88d71d4f0fb3d95a0868ce412fc4
SHA256

b7cac1b8fe41304f69b6c2b7c48c225bc090c514f607397b5cce44238e9c546d
SHA512

12627d91effc207266d6d8e1cb1a879a4eeca9b1343b247c0ed2b9d02b8b892756f220a1b32deb2fa9202093830b5994c2cdc29dfbed9e2db1474f310a62e6bc
SSDEEP

49152:Y2CYzwf4b5k1V68IqNUoCVidq1pYlRJdF:Y29wfp

Score

10^/10

bandook 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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/760-135-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/760-136-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 4 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/760-133-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/760-134-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/760-135-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/760-136-0x0000000013140000-0x0000000014009000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

760 msinfo32.exe
760 msinfo32.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

AVISO DE PAGO SEPTIEMBRE_01A.exe

description	pid	process	target process
PID 4752 wrote to memory of 760	4752	AVISO DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4752 wrote to memory of 760	4752	AVISO DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4752 wrote to memory of 760	4752	AVISO DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4752 wrote to memory of 760	4752	AVISO DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4752 wrote to memory of 760	4752	AVISO DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\AVISO DE PAGO SEPTIEMBRE_01A.exe
"C:\Users\Admin\AppData\Local\Temp\AVISO DE PAGO SEPTIEMBRE_01A.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4752

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/760-132-0x0000000000000000-mapping.dmp

Download
memory/760-133-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/760-134-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/760-135-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/760-136-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download