bandook | 22e2ab1e6a152237fb0cef6a0a24a8b7711c1ebb6c109625aaf85546075f5f56

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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3444-18-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-17-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-19-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-24-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-21-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-25-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook
behavioral2/memory/3444-33-0x0000000013140000-0x0000000014DFC000-memory.dmp	family_bandook

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3444-15-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-18-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-16-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-17-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-19-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-24-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-21-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-25-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx
behavioral2/memory/3444-33-0x0000000013140000-0x0000000014DFC000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

Processes:

Profresca_Factura.exe

description	pid	Process	procid_target
PID 4316 set thread context of 3444	4316	Profresca_Factura.exe	89

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
3444	msinfo32.exe
3444	msinfo32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Profresca_Factura.exe

description	pid	Process	procid_target
PID 4316 wrote to memory of 3444	4316	Profresca_Factura.exe	89
PID 4316 wrote to memory of 3444	4316	Profresca_Factura.exe	89
PID 4316 wrote to memory of 3444	4316	Profresca_Factura.exe	89
PID 4316 wrote to memory of 4908	4316	Profresca_Factura.exe	90
PID 4316 wrote to memory of 4908	4316	Profresca_Factura.exe	90
PID 4316 wrote to memory of 4908	4316	Profresca_Factura.exe	90
PID 4316 wrote to memory of 3444	4316	Profresca_Factura.exe	89
PID 4316 wrote to memory of 3444	4316	Profresca_Factura.exe	89

C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Profresca_Factura.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316
- C:\windows\SysWOW64\msinfo32.exe
  C:\windows\syswow64\msinfo32.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3444
- 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:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3444-21-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-25-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-18-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-16-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-24-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-19-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-15-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-33-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/3444-17-0x0000000013140000-0x0000000014DFC000-memory.dmp

Filesize
28.7MB

Download
memory/4316-1-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-0-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download
memory/4316-12-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-11-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-10-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-3-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download
memory/4316-2-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-4-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4316-26-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4908-27-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4908-29-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4908-31-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download
memory/4908-32-0x0000000000400000-0x00000000013A8000-memory.dmp

Filesize
15.7MB

Download
memory/4908-13-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads