bandook | b302ba8b1b2817d20b1df5f80991b3be01f99e15f2138a777c19d5037ccf7dda

Analysis

max time kernel
496s
max time network
610s
platform
windows10-2004_x64
resource
win10v2004-20220812-es
resource tags

arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
01-09-2022 19:48

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General

Target

COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe
Size

3.1MB
MD5

7426cab16d83565016af7e83bd592980
SHA1

63f45648ebfa88d71d4f0fb3d95a0868ce412fc4
SHA256

b7cac1b8fe41304f69b6c2b7c48c225bc090c514f607397b5cce44238e9c546d
SHA512

12627d91effc207266d6d8e1cb1a879a4eeca9b1343b247c0ed2b9d02b8b892756f220a1b32deb2fa9202093830b5994c2cdc29dfbed9e2db1474f310a62e6bc
SSDEEP

49152:Y2CYzwf4b5k1V68IqNUoCVidq1pYlRJdF:Y29wfp

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
behavioral2/memory/688-135-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/688-136-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/688-137-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral2/memory/1748-142-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/688-133-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/688-134-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/688-135-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/688-136-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/688-137-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral2/memory/1748-142-0x0000000013140000-0x0000000014009000-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
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CIJI = "C:\\Users\\Admin\\AppData\\Roaming\\CIJI\\CIJI.exe"	msinfo32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

688 msinfo32.exe
688 msinfo32.exe

pid	process
688	msinfo32.exe
688	msinfo32.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe

description	pid	process	target process
PID 4212 wrote to memory of 688	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 688	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 688	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 688	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 688	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 1748	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 1748	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 1748	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 1748	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe
PID 4212 wrote to memory of 1748	4212	COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO SEPTIEMBRE_01A.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4212

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:688

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Adds Run key to start application
PID:1748

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/688-132-0x0000000000000000-mapping.dmp

Download
memory/688-133-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/688-134-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/688-135-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/688-136-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/688-137-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1748-138-0x0000000000000000-mapping.dmp

Download
memory/1748-142-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download