bandook | bbbfc6167c243fad8a22a952edf2dc9c5f618c6986170a12052a4468c94d7b84

Resubmissions

11-08-2022 15:58

220811-tezkhsbed4 10

11-08-2022 15:43

220811-s5817shagk 10

11-08-2022 15:40

220811-s4f9ssbcg8 1

Analysis

max time kernel
500s
max time network
551s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 15:58

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General

Target

SOLICITUD DE COTIZACION AGOSTO2022.exe
Size

1.8MB
MD5

7ff53fc876eef0820b0aa10fa785ee0b
SHA1

30dd64bda5b153c9ffef8ec80f733f80e2711fa5
SHA256

870a008fca1426aee37c2e1c088c04a22a95d5023456ad14bfae8ca128c59000
SHA512

659a46853ecbe78f6f3a036f7da317fff17853d2d312b37f78c233b34c0eb925e9f805092bc6e5994f1c52bf58861634014042c449e369660a88cfde9d3559a3

Score

10^/10

bandook persistence 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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4616-133-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral1/memory/4616-134-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral1/memory/4616-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral1/memory/3156-140-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/4616-131-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/4616-132-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/4616-133-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/4616-134-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/4616-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral1/memory/3156-140-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msinfo32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GWLU = "C:\\Users\\Admin\\AppData\\Roaming\\GWLU\\GWLU.exe"	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

4616 msinfo32.exe
4616 msinfo32.exe

pid	process
4616	msinfo32.exe
4616	msinfo32.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

SOLICITUD DE COTIZACION AGOSTO2022.exe

description	pid	process	target process
PID 1988 wrote to memory of 4616	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 4616	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 4616	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 4616	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 4616	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 3156	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 3156	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 3156	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 3156	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe
PID 1988 wrote to memory of 3156	1988	SOLICITUD DE COTIZACION AGOSTO2022.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\SOLICITUD DE COTIZACION AGOSTO2022.exe
"C:\Users\Admin\AppData\Local\Temp\SOLICITUD DE COTIZACION AGOSTO2022.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4616

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Adds Run key to start application
PID:3156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3156-136-0x0000000000000000-mapping.dmp

Download
memory/3156-140-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4616-130-0x0000000000000000-mapping.dmp

Download
memory/4616-131-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4616-132-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4616-133-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4616-134-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4616-135-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download