bandook | 22e2ab1e6a152237fb0cef6a0a24a8b7711c1ebb6c109625aaf85546075f5f56

Resubmissions

01-08-2024 16:05

240801-tjv3wsycmp 10

08-12-2023 18:12

231208-wtl9vadcd4 10

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 16:05

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General

Target

Profresca_Factura.exe
Size

15.6MB
MD5

67890e34ff5481d0192a2325156d529a
SHA1

10b3af966a24dc34187fdd5e527531b3bf34c244
SHA256

22e2ab1e6a152237fb0cef6a0a24a8b7711c1ebb6c109625aaf85546075f5f56
SHA512

a7431523ec48430fef07597eac54a61af62c57c2fe9ae99d7b633ceb3cda7b1e0ab73dddb1c5de61da24a36d70c9b59c027f797628a9d28796805a91e5306afe
SSDEEP

49152:QF3eSw1ZnrHiKM2fPzVHc4sTWV0PcK7P5vPHQ9LXTKXhJ+4xPlMmL/6uDJ6gYmZa:QFuSw

Score

10^/10

bandook discovery 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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/212-17-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-16-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-18-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-19-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-20-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-22-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-24-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/212-32-0x0000000013140000-0x0000000014DFC000-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/212-14-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-15-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-17-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-16-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-18-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-19-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-20-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-22-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-24-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/212-32-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Profresca_Factura.exeProfresca_Factura.exemsinfo32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Profresca_Factura.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Profresca_Factura.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

212 msinfo32.exe
212 msinfo32.exe

pid	process
212	msinfo32.exe
212	msinfo32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Profresca_Factura.exe

description	pid	process	target process
PID 2088 wrote to memory of 212	2088	Profresca_Factura.exe	msinfo32.exe
PID 2088 wrote to memory of 212	2088	Profresca_Factura.exe	msinfo32.exe
PID 2088 wrote to memory of 212	2088	Profresca_Factura.exe	msinfo32.exe
PID 2088 wrote to memory of 2312	2088	Profresca_Factura.exe	Profresca_Factura.exe
PID 2088 wrote to memory of 2312	2088	Profresca_Factura.exe	Profresca_Factura.exe
PID 2088 wrote to memory of 2312	2088	Profresca_Factura.exe	Profresca_Factura.exe
PID 2088 wrote to memory of 212	2088	Profresca_Factura.exe	msinfo32.exe
PID 2088 wrote to memory of 212	2088	Profresca_Factura.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\windows\SysWOW64\msinfo32.exe
  C:\windows\syswow64\msinfo32.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:212
- C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe
  C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe nnchwwghwgehwgewyeywyeywyye
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/212-15-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-32-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-24-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-22-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-20-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-19-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-18-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-16-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-17-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/212-14-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/2088-11-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-2-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-12-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-0-0x0000000001560000-0x0000000001561000-memory.dmp

Filesize
4KB

Download
memory/2088-10-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-4-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-3-0x0000000001560000-0x0000000001561000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2088-25-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2312-26-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2312-28-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2312-31-0x0000000003000000-0x0000000003001000-memory.dmp

Filesize
4KB

Download
memory/2312-30-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/2312-13-0x0000000003000000-0x0000000003001000-memory.dmp

Filesize
4KB

Download