eb39e3c3215ee01a3ed0148766b22b139d1cf42a3631b7c99144ae2d181bbb8c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 02:09

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General

Target
2017.6.30/010.vir
Size 90KB
Sample240830-ck7dwascka
SHA256 33a78ab6f768362e468321871570ae195028cf2fb877ac196bdc2d94a381bb2f
MD5 3ef0f8433dedf3cdc25f8fa8b2471673
SHA1 31c1adc34e51d737a07cc1f79b9fa64337c2afd9
SHA512 51b9d7f2d0424d9bf1bd2ee98a71cbde84a7463ca825912e7f0f653bcfdb87c8fbbc39657189ee8d347c94741d481e7b2b4c90989353f3c9c1cd48c453bed9fe
SSDEEP 1536:Fibs/7znzNP1c0t6FAT7ho1csd/qQ0rd+jjU0WZmn:Fl7znzT8mTlo1c8/B0h+jjKZC
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\vir_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.vir\ = "vir_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\vir_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\vir_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\vir_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\vir_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.vir	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\vir_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2416	2552	cmd.exe	31
PID 2552 wrote to memory of 2416	2552	cmd.exe	31
PID 2552 wrote to memory of 2416	2552	cmd.exe	31
PID 2416 wrote to memory of 2732	2416	rundll32.exe	32
PID 2416 wrote to memory of 2732	2416	rundll32.exe	32
PID 2416 wrote to memory of 2732	2416	rundll32.exe	32
PID 2416 wrote to memory of 2732	2416	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\2017.6.30\010.vir
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\2017.6.30\010.vir
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2416
- - 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\2017.6.30\010.vir"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

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

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 7e5c812a98507ae954b74cf626a074cfcc1e287d5f69576d9436716881770e50
MD5 211fe3b52709c09a5aa4e4bbe9464d22
SHA1 bc2cf5e0935fce4f2f3b09431a6a17b640f3522e
SHA512 9b8be5245e7f09f712b500d9af9174c3ad30386009ec0475a367ff10d5e3420a9242e385bb24e3930637f6731ecd9f67998455cd028ca2f6b4371bd03253873c
MD5 SHA1 SHA512

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