bandook | f9d9d00a974b259b747217d021d95c7902c8a8807539db0bbf43939be972e281

Analysis

max time kernel
148s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
16-07-2021 17:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe

Score

10^/10

bandook persistence rat trojan upx

Malware Config

Signatures

Bandook Payload 1 IoCs

resource	yara_rule
behavioral12/memory/2400-122-0x0000000013C8F890-mapping.dmp	family_bandook

Bandook RAT
Bandook is a remote access tool written in C++ and shipped with a loader written in Delphi.
rat trojan bandook

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral12/memory/3704-115-0x0000000013140000-0x0000000013CEB000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\jdtrkvjkdwllnlciapou = "C:\\Users\\Admin\\AppData\\Roaming\\jdtrkvjkdwllnlciapou\\jdtrkvjkdwllnlciapou.exe"	iexplore.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3904 set thread context of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 set thread context of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 set thread context of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 set thread context of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3704	iexplore.exe
3704	iexplore.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 wrote to memory of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 wrote to memory of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 wrote to memory of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 wrote to memory of 3704	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	78
PID 3904 wrote to memory of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 wrote to memory of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 wrote to memory of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 wrote to memory of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 wrote to memory of 3380	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	80
PID 3904 wrote to memory of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 wrote to memory of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 wrote to memory of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 wrote to memory of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 wrote to memory of 1464	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	81
PID 3904 wrote to memory of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82
PID 3904 wrote to memory of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82
PID 3904 wrote to memory of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82
PID 3904 wrote to memory of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82
PID 3904 wrote to memory of 2400	3904	e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe	82

C:\Users\Admin\AppData\Local\Temp\e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe
"C:\Users\Admin\AppData\Local\Temp\e72ace3a76024645161ecb73c57083d38b85594df5117de94d782df9f48a10eb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3704
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Adds Run key to start application
  PID:3380
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:1464
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:2400

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3704-115-0x0000000013140000-0x0000000013CEB000-memory.dmp

Filesize
11.7MB

Download
memory/3904-114-0x00000000006B0000-0x00000000007FA000-memory.dmp

Filesize
1.3MB

Download