bandook | fa031dbd614e7231d329906a6aefdbeea4c6b2ceee847e909ff66126a370ceaa

Resubmissions

26-01-2023 19:31

230126-x8b8vsgd4s 10

26-01-2023 19:18

230126-xzxs7sgc6w 1

Analysis

max time kernel
439s
max time network
423s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-01-2023 19:31

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General

Target

Confirmar Transferencia lista.exe
Size

2.9MB
MD5

9d62eda2d552cb2f7e1564209de10310
SHA1

a0a5da7e38bf029ffa91b7b6f16f4da10f2763b0
SHA256

fa031dbd614e7231d329906a6aefdbeea4c6b2ceee847e909ff66126a370ceaa
SHA512

189b4905fb991ff3842c539d24617251799d736dde3df40fdd8653fb782736244ce202f760cf9e1c10496f31fda7f9aa20253d4c642a9f22bd27cebfeeb1cfba
SSDEEP

49152:vfc6jJzftLicMY1xMHeNBHFAJyye2IwF1q9emDAZ:v0617tLi

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

resource	yara_rule
behavioral1/memory/1312-63-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1312-64-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1796-72-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook
behavioral1/memory/1796-73-0x0000000013140000-0x0000000014009000-memory.dmp	family_bandook

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-60-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1312-62-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1312-63-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1312-64-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1796-72-0x0000000013140000-0x0000000014009000-memory.dmp	upx
behavioral1/memory/1796-73-0x0000000013140000-0x0000000014009000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	msinfo32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\RCY = "C:\\Users\\Admin\\AppData\\Roaming\\RCY\\RCY.exe"	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1312	msinfo32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 1948 wrote to memory of 280	1948	Confirmar Transferencia lista.exe	29
PID 1948 wrote to memory of 280	1948	Confirmar Transferencia lista.exe	29
PID 1948 wrote to memory of 280	1948	Confirmar Transferencia lista.exe	29
PID 1948 wrote to memory of 280	1948	Confirmar Transferencia lista.exe	29
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 1948 wrote to memory of 1312	1948	Confirmar Transferencia lista.exe	28
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30
PID 280 wrote to memory of 1796	280	Confirmar Transferencia lista.exe	30

C:\Users\Admin\AppData\Local\Temp\Confirmar Transferencia lista.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmar Transferencia lista.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\windows\syswow64\msinfo32.exe
  C:\windows\syswow64\msinfo32.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1312
- C:\Users\Admin\AppData\Local\Temp\Confirmar Transferencia lista.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirmar Transferencia lista.exe" ooooooooooooooo
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:280
- - C:\windows\syswow64\msinfo32.exe
    C:\windows\syswow64\msinfo32.exe
    3⤵
    - Adds Run key to start application
    PID:1796

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/1312-57-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1312-60-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1312-62-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1312-63-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1312-64-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1796-72-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1796-73-0x0000000013140000-0x0000000014009000-memory.dmp

Filesize
14.8MB

Download
memory/1948-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download