a034bcb0be853973913fda53f4c3ce71f38e450c865d718af086f360e22af318

Analysis

max time kernel
152s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
08/10/2023, 01:12

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General

Target

bennu-0.4.1a7/bennu/localdb.py
Size

2KB
MD5

5b850716e215e091df7fadaa7c783fd8
SHA1

2a3668f997c08a7dfb43ccd3636663c4317bc3a1
SHA256

4195867b2b277963b6b241b17840e9de1ed77640997b3c8fde3b91ced66010f0
SHA512

ae7fd625830dc47ccaa878ba2ae5371356658b9210bdf6fc2761ce246409af723abdb45d1beac0eba7a7e8be3222a4b21318e3462aac20a28a7eb92b1ff28951

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2280	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2652	2116	cmd.exe	29
PID 2116 wrote to memory of 2652	2116	cmd.exe	29
PID 2116 wrote to memory of 2652	2116	cmd.exe	29
PID 2652 wrote to memory of 2280	2652	rundll32.exe	30
PID 2652 wrote to memory of 2280	2652	rundll32.exe	30
PID 2652 wrote to memory of 2280	2652	rundll32.exe	30
PID 2652 wrote to memory of 2280	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bennu-0.4.1a7\bennu\localdb.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bennu-0.4.1a7\bennu\localdb.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\bennu-0.4.1a7\bennu\localdb.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
7a28ceacacbc508a7b04396498461d72

SHA1
44cd93275bb2695e72b328b7b3a4189d0651115b

SHA256
16504234297b8a66eed7f4ae8106509793eb50560d26d6aed2df0d1e0cc26292

SHA512
71b379f7750a299e1847818d7e270e21bbb5e0ce650dfad7d814bb44ca268153f9fb1d84997b7ec20d70e2065f448ce1657bbbd936317d4d2dd7d5a370cc8eaf

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