bandook | b079f2c81638d23c59c0c04c9e2b6caf02e8bac37746d1cded77b4638bd025be

Resubmissions

20-07-2022 16:59

220720-vhh8dacddr 10

20-07-2022 16:43

220720-t8q58sbhgp 1

Analysis

max time kernel
497s
max time network
559s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-07-2022 16:59

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General

Target

C36897E9150F3FCDBA12C6076726A645.exe
Size

1.4MB
MD5

c36897e9150f3fcdba12c6076726a645
SHA1

dbd4dbfe4dabf06535353454ad1d9596f97de8b9
SHA256

b079f2c81638d23c59c0c04c9e2b6caf02e8bac37746d1cded77b4638bd025be
SHA512

0c7dde683eec79fac2e50cd33e7eb47f26e313d4dd4ebec04c79cb0a01ae15ce3cc25972f61ef187b19fe69dd8f9f903db623f1c58b739b9e036fc6ff4478078

Score

10^/10

bandook persistence rat trojan upx

Malware Config

Extracted

Family

bandook

deapproved.ru

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/4316-133-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/4316-134-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/4316-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook
behavioral2/memory/1232-140-0x0000000013140000-0x0000000013C7D000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4316-131-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/4316-132-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/4316-133-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/4316-134-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/4316-135-0x0000000013140000-0x0000000013C7D000-memory.dmp	upx
behavioral2/memory/1232-140-0x0000000013140000-0x0000000013C7D000-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
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GGES = "C:\\Users\\Admin\\AppData\\Roaming\\GGES\\GGES.exe"	msinfo32.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msinfo32.exe

pid process

4316 msinfo32.exe
4316 msinfo32.exe

pid	process
4316	msinfo32.exe
4316	msinfo32.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

C36897E9150F3FCDBA12C6076726A645.exe

description	pid	process	target process
PID 3948 wrote to memory of 4316	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 4316	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 4316	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 4316	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 4316	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 1232	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 1232	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 1232	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 1232	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe
PID 3948 wrote to memory of 1232	3948	C36897E9150F3FCDBA12C6076726A645.exe	msinfo32.exe

C:\Users\Admin\AppData\Local\Temp\C36897E9150F3FCDBA12C6076726A645.exe
"C:\Users\Admin\AppData\Local\Temp\C36897E9150F3FCDBA12C6076726A645.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3948

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4316

C:\windows\SysWOW64\msinfo32.exe
C:\windows\syswow64\msinfo32.exe
2⤵
- Adds Run key to start application
PID:1232

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1232-136-0x0000000000000000-mapping.dmp

Download
memory/1232-140-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4316-130-0x0000000000000000-mapping.dmp

Download
memory/4316-131-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4316-132-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4316-133-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4316-134-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download
memory/4316-135-0x0000000013140000-0x0000000013C7D000-memory.dmp

Filesize
11.2MB

Download