bandook | ab8d1ee87ac5dc2adb51e45588ea7934aa3a50ceb4033ac2aca4d16f320ab609

Analysis

max time kernel
291s
max time network
289s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2023 08:24

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General

Target

Retenciones.exe
Size

3.2MB
MD5

6bd530a8417b6ab6b5ea0230ebe16857
SHA1

9e7cdf3192707cd06ef9626d3d1867a7e419b23e
SHA256

ab8d1ee87ac5dc2adb51e45588ea7934aa3a50ceb4033ac2aca4d16f320ab609
SHA512

8c7d0317d2112f79b062fc73bd8f45c8475dece6d624a3721e4b14d84b13eb40b4ff27259dfb5f29e129c3d714a33d12695bf134463b565beb5698d5dbe45104
SSDEEP

49152:N+Laj3TXU7Ni5AacXjIuqGvGNP0FWtK7zI70l:ULATX0

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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2480-155-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-156-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-157-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-158-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-159-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-161-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-163-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/2480-165-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2480-152-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-153-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-155-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-156-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-157-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-158-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-159-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-161-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-163-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/2480-165-0x0000000013140000-0x0000000014009000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

2480 msinfo32.exe
2480 msinfo32.exe

pid	process
2480	msinfo32.exe
2480	msinfo32.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Retenciones.exe

description	pid	process	target process
PID 1796 wrote to memory of 2480	1796	Retenciones.exe	msinfo32.exe
PID 1796 wrote to memory of 2480	1796	Retenciones.exe	msinfo32.exe
PID 1796 wrote to memory of 2480	1796	Retenciones.exe	msinfo32.exe
PID 1796 wrote to memory of 2480	1796	Retenciones.exe	msinfo32.exe
PID 1796 wrote to memory of 2480	1796	Retenciones.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Retenciones.exe
"C:\Users\Admin\AppData\Local\Temp\Retenciones.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2480

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1796-154-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-134-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-135-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-136-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-149-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-150-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-151-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-171-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/1796-133-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2480-153-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-155-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-156-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-157-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-158-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-159-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-161-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-163-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-165-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/2480-152-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download