bandook | 1c4f53eec29c08286d592dba2b78153719d2b33ae8c4b65bdd7bb1b00de38bb4

Analysis

max time kernel
1374s
max time network
1782s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2022 02:05

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General

Target

COMPROBANTE DE PAGO_N29.exe
Size

1.8MB
MD5

56f6526b103a3e8f3b4eed20fcf68084
SHA1

a7e85acb13f922ba787bb8df35f8090a6789cd9b
SHA256

f742a398eb7d3f6af2dc30e67e9d163224e98d437bdf91fb15bb76d40bf36956
SHA512

fcbe900fe2cad6fd2f7b4faa39711d0cfb41fdaa9f9b39c9dfc0f84c39e3f87c4f14100344d7639d2f112be8d530839e6ccc209339890599426b820adcbb4ff4
SSDEEP

24576:cHQ0YrUbu4hMYEzzFzN2ee6izSpzRhCPA4VhgKEg2Re2xwAbJiS2PlmdDlakqK2q:cHVC87dAeASgKEg2RemJiSWqDowUaaS

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/1816-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/1816-136-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/1816-137-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/112-142-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1816-133-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/1816-134-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/1816-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/1816-136-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/1816-137-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/112-142-0x0000000013140000-0x0000000013C7D000-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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DJIE = "C:\\Users\\Admin\\AppData\\Roaming\\DJIE\\DJIE.exe"	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

1816 msinfo32.exe
1816 msinfo32.exe

pid	process
1816	msinfo32.exe
1816	msinfo32.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

COMPROBANTE DE PAGO_N29.exe

description	pid	process	target process
PID 4944 wrote to memory of 1816	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 1816	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 1816	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 1816	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 1816	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 112	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 112	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 112	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 112	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe
PID 4944 wrote to memory of 112	4944	COMPROBANTE DE PAGO_N29.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO_N29.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE PAGO_N29.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4944

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1816

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Adds Run key to start application
PID:112

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/112-138-0x0000000000000000-mapping.dmp

Download
memory/112-142-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/1816-132-0x0000000000000000-mapping.dmp

Download
memory/1816-133-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/1816-134-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/1816-135-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/1816-136-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/1816-137-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download