bandook | 76b7aa41d3cf3ba45d6f32adeedb9453c5592013a45113ebdc8be1733930ec69

Analysis

max time kernel
301s
max time network
293s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30-04-2023 08:24

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General

Target

Retenciones_6895.exe
Size

3.2MB
MD5

c38819df2bfc368c78294786b0d7fbcb
SHA1

0f5956f49fad93bc051453ad1a71fed9a87283b3
SHA256

76b7aa41d3cf3ba45d6f32adeedb9453c5592013a45113ebdc8be1733930ec69
SHA512

0d6a33521606b444db3a33594d098de6c95240bb1d2a442ec23542ff51595af84c777df230ef8f7b8dd24f8988ae4915b682cc41fa4920c5481f1ae27c30da2f
SSDEEP

49152:r+Laj3LjNKar72uOjQDt7S7W9zlSVDtM4FKrKS0J6T0vEnV5:aLANKa5

Score

10^/10

bandook 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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1704-79-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-80-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-84-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-85-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-86-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-88-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1704-90-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1704-77-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-78-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-79-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-80-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-84-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-85-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-86-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-88-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1704-90-0x0000000013140000-0x0000000014009000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

msinfo32.exe

pid process

1704 msinfo32.exe

pid	process
1704	msinfo32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Retenciones_6895.exe

description	pid	process	target process
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe
PID 1240 wrote to memory of 1704	1240	Retenciones_6895.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Retenciones_6895.exe
"C:\Users\Admin\AppData\Local\Temp\Retenciones_6895.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1240

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1704

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1240-81-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-56-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1240-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1240-57-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-58-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-59-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-71-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-72-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-73-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-55-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1240-95-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1704-75-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-78-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-79-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-80-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-77-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-84-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-85-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-86-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-88-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-90-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1704-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download