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Overview
overview
3Static
static
1Minecraft 64 Bits.rar
windows7-x64
3Minecraft 64 Bits.rar
windows10-2004-x64
3Borrador/L...ic.lng
windows7-x64
3Borrador/L...ic.lng
windows10-2004-x64
3Borrador/L...mp.lng
windows7-x64
3Borrador/L...mp.lng
windows10-2004-x64
3Borrador/L...ad.lng
windows7-x64
3Borrador/L...ad.lng
windows10-2004-x64
3Borrador/L...ch.lng
windows7-x64
3Borrador/L...ch.lng
windows10-2004-x64
3Borrador/L...sh.lng
windows7-x64
3Borrador/L...sh.lng
windows10-2004-x64
3Borrador/L...ch.lng
windows7-x64
3Borrador/L...ch.lng
windows10-2004-x64
3Borrador/L...sh.lng
windows7-x64
3Borrador/L...sh.lng
windows10-2004-x64
3Borrador/L...sh.lng
windows7-x64
3Borrador/L...sh.lng
windows10-2004-x64
3Borrador/L...an.lng
windows7-x64
3Borrador/L...an.lng
windows10-2004-x64
3Borrador/L...an.lng
windows7-x64
3Borrador/L...an.lng
windows10-2004-x64
3Borrador/L...an.lng
windows7-x64
3Borrador/L...an.lng
windows10-2004-x64
3Borrador/L...se.lng
windows7-x64
3Borrador/L...se.lng
windows10-2004-x64
3Borrador/L...sh.lng
windows7-x64
3Borrador/L...sh.lng
windows10-2004-x64
3Borrador/L...an.lng
windows7-x64
3Borrador/L...an.lng
windows10-2004-x64
3Borrador/L...sh.lng
windows7-x64
3Borrador/L...sh.lng
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25/03/2023, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
Minecraft 64 Bits.rar
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Minecraft 64 Bits.rar
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Borrador/Language/Arabic.lng
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Borrador/Language/Arabic.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
Borrador/Language/ChineseSimp.lng
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
Borrador/Language/ChineseSimp.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
Borrador/Language/ChineseTrad.lng
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
Borrador/Language/ChineseTrad.lng
Resource
win10v2004-20230221-en
Behavioral task
behavioral9
Sample
Borrador/Language/Czech.lng
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
Borrador/Language/Czech.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
Borrador/Language/Danish.lng
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
Borrador/Language/Danish.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral13
Sample
Borrador/Language/Dutch.lng
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
Borrador/Language/Dutch.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral15
Sample
Borrador/Language/English.lng
Resource
win7-20230220-en
Behavioral task
behavioral16
Sample
Borrador/Language/English.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral17
Sample
Borrador/Language/Finnish.lng
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
Borrador/Language/Finnish.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral19
Sample
Borrador/Language/German.lng
Resource
win7-20230220-en
Behavioral task
behavioral20
Sample
Borrador/Language/German.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral21
Sample
Borrador/Language/Hungarian.lng
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
Borrador/Language/Hungarian.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral23
Sample
Borrador/Language/Italian.lng
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
Borrador/Language/Italian.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral25
Sample
Borrador/Language/Japanese.lng
Resource
win7-20230220-en
Behavioral task
behavioral26
Sample
Borrador/Language/Japanese.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral27
Sample
Borrador/Language/Polish.lng
Resource
win7-20230220-en
Behavioral task
behavioral28
Sample
Borrador/Language/Polish.lng
Resource
win10v2004-20230221-en
Behavioral task
behavioral29
Sample
Borrador/Language/Russian.lng
Resource
win7-20230220-en
Behavioral task
behavioral30
Sample
Borrador/Language/Russian.lng
Resource
win10v2004-20230220-en
Behavioral task
behavioral31
Sample
Borrador/Language/Spanish.lng
Resource
win7-20230220-en
Behavioral task
behavioral32
Sample
Borrador/Language/Spanish.lng
Resource
win10v2004-20230220-en
General
-
Target
Borrador/Language/Czech.lng
-
Size
6KB
-
MD5
542118a2cc938ac82a922abb171a6df5
-
SHA1
c3ef3b652555fbc79ba1d794125afe0ee190b8bd
-
SHA256
ef6b496609073be75cf44941126d4f79920711ec8c4ef2aded9d4b1dbf7c10a8
-
SHA512
31a9b6dd84e9053d4410678d74b9f2d0dff236eb2c207b6529e5e3a23bae8f8437579508545eb1469c3ef730cf03de8e3dce58e7e0513959334403bc372f1986
-
SSDEEP
96:rRYvG0PyjNDapRjmU5W0e8ofJpVxTyOp3z5hnZbc9qUpWX/7Oo+0VIK3Luu2Hfuw:dYvG06jNDaPPwFt7DPIhfoAx
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.lng rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\lng_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.lng\ = "lng_auto_file" rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1700 AcroRd32.exe 1700 AcroRd32.exe 1700 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1980 wrote to memory of 764 1980 cmd.exe 28 PID 1980 wrote to memory of 764 1980 cmd.exe 28 PID 1980 wrote to memory of 764 1980 cmd.exe 28 PID 764 wrote to memory of 1700 764 rundll32.exe 29 PID 764 wrote to memory of 1700 764 rundll32.exe 29 PID 764 wrote to memory of 1700 764 rundll32.exe 29 PID 764 wrote to memory of 1700 764 rundll32.exe 29
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Czech.lng1⤵
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Czech.lng2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:764 -
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\Borrador\Language\Czech.lng"3⤵
- Suspicious use of SetWindowsHookEx
PID:1700
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