bandook | 3c099ec7363407c9fb742beca81f97ecca93807e0f4c7fe73e019a3ccedbd220

Analysis

max time kernel
300s
max time network
296s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30-04-2023 08:23

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General

Target

Relación de factura de cobro.exe
Size

4.6MB
MD5

5a21405b06a11ee03c24cc79ef910c3d
SHA1

388371ea56bd79813ef53152220d7c64396528ea
SHA256

3c099ec7363407c9fb742beca81f97ecca93807e0f4c7fe73e019a3ccedbd220
SHA512

92d722e57b39a4c126507ce4341e17ff7adae75c6e12a9753215b77b4bb0ec0347dc56c810798c358bf62376fc94238c9b8cb804a09ef12e6fcd2f65b6ca2041
SSDEEP

49152:llZfI2n9IkZVqC2IWGDgLOcn4hco98WRO6LT+5OoDY8jwyL6inScmGaZGTnUkcNy:llZQinDuOcn4KF

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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-78-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-79-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-85-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-86-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-87-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-89-0x0000000013140000-0x000000001400A000-memory.dmp	family_bandook
behavioral1/memory/1768-91-0x0000000013140000-0x000000001400A000-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/1768-76-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-77-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-78-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-79-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-85-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-86-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-87-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-89-0x0000000013140000-0x000000001400A000-memory.dmp	upx
behavioral1/memory/1768-91-0x0000000013140000-0x000000001400A000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

msinfo32.exe

pid process

1768 msinfo32.exe

pid	process
1768	msinfo32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Relación de factura de cobro.exe

description	pid	process	target process
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe
PID 1076 wrote to memory of 1768	1076	Relación de factura de cobro.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Relación de factura de cobro.exe
"C:\Users\Admin\AppData\Local\Temp\Relación de factura de cobro.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1076

C:\windows\syswow64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1076-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1076-55-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-56-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1076-58-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-59-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-71-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-72-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-73-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-94-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1076-80-0x0000000000400000-0x00000000008A2000-memory.dmp

Filesize
4.6MB

Download
memory/1768-76-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-77-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-78-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-79-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1768-85-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-86-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-87-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-89-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-91-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download
memory/1768-74-0x0000000013140000-0x000000001400A000-memory.dmp

Filesize
14.8MB

Download