3f767ffe96383bc3850ccecde867a3d4395b647947c9a3f004fbbc4894302136

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 13:45

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General

Target

mib.bin
Size

42KB
MD5

23af90d2355d8c83aa4567ef1763b467
SHA1

08007f178be90ca8cb97de922ac4f8bf45691404
SHA256

c2bf719b19848fb90245a45a19160b479be8138ff17dc82ea38c5ee65d20097b
SHA512

ee1479bff096e4fcb3bdbb57eb08a51df971dd0e8d629f7b36b0758654ed2b3cc9969163b1bdcf2c8b3c276c20e5c24c000874c2ccbaea37e09ce690e5c44115
SSDEEP

384:crfecaVB5/5GGb6GrhMAIS5uQFRwv3e+prYTB1CT7XGOKMfGwfqI1Ie72XKB8bgS:crM/5GGTF5FFRi35prYH2GwlIPXIdG

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2732	2544	cmd.exe	31
PID 2544 wrote to memory of 2732	2544	cmd.exe	31
PID 2544 wrote to memory of 2732	2544	cmd.exe	31
PID 2732 wrote to memory of 2728	2732	rundll32.exe	32
PID 2732 wrote to memory of 2728	2732	rundll32.exe	32
PID 2732 wrote to memory of 2728	2732	rundll32.exe	32
PID 2732 wrote to memory of 2728	2732	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\mib.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\mib.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\mib.bin"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
b90905fb380e37535855ddac72c72b55

SHA1
a77956f7148293492f3d513a1515481e52463ed9

SHA256
5cbc56865975d52b7ebf97ce7cb00a534dee16557637cbc87f974d7e6e3818c7

SHA512
6e6a79f969d40c6d5638d0a4d8f1f7444d83747f59036740f93d2c1b02391b6b9c806b9020d0d375c6478e9d02d07cff848a30cc160e42788a9c1f67ce169054

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