Overview
overview
10Static
static
7Ransomware...er.exe
windows7-x64
8Ransomware...er.exe
windows10-2004-x64
8Ransomware/7ev3n.exe
windows7-x64
Ransomware/7ev3n.exe
windows10-2004-x64
Ransomware...le.exe
windows7-x64
Ransomware...le.exe
windows10-2004-x64
Ransomware...it.exe
windows7-x64
10Ransomware...it.exe
windows10-2004-x64
10Ransomware/Birele.exe
windows10-2004-x64
10Ransomware...r5.exe
windows7-x64
10Ransomware...r5.exe
windows10-2004-x64
10Ransomware...us.exe
windows7-x64
10Ransomware...us.exe
windows10-2004-x64
10Ransomware...er.exe
windows7-x64
10Ransomware...er.exe
windows10-2004-x64
10Ransomware...ll.exe
windows7-x64
9Ransomware...ll.exe
windows10-2004-x64
7Ransomware...ck.exe
windows7-x64
7Ransomware...ck.exe
windows10-2004-x64
7Ransomware/Dharma.exe
windows7-x64
9Ransomware/Dharma.exe
windows10-2004-x64
9Ransomware/Fantom.exe
windows7-x64
10Ransomware/Fantom.exe
windows10-2004-x64
10Ransomware...ab.exe
windows7-x64
10Ransomware...ab.exe
windows10-2004-x64
10Ransomware...ye.exe
windows7-x64
10Ransomware...ye.exe
windows10-2004-x64
10Ransomware...Eye.js
windows7-x64
10Ransomware...Eye.js
windows10-2004-x64
10Ransomware...pt.exe
windows7-x64
10Ransomware...pt.exe
windows10-2004-x64
10Ransomware...en.exe
windows7-x64
8Analysis
-
max time kernel
144s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03-03-2024 01:34
Behavioral task
behavioral1
Sample
Ransomware/$uckyLocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ransomware/$uckyLocker.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Ransomware/7ev3n.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Ransomware/7ev3n.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
Ransomware/Annabelle.exe
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
Ransomware/Annabelle.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
Ransomware/BadRabbit.exe
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
Ransomware/BadRabbit.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Ransomware/Birele.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral10
Sample
Ransomware/Cerber5.exe
Resource
win7-20240221-en
Behavioral task
behavioral11
Sample
Ransomware/Cerber5.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral12
Sample
Ransomware/CoronaVirus.exe
Resource
win7-20240221-en
Behavioral task
behavioral13
Sample
Ransomware/CoronaVirus.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral14
Sample
Ransomware/CryptoLocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral15
Sample
Ransomware/CryptoLocker.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral16
Sample
Ransomware/CryptoWall.exe
Resource
win7-20240220-en
Behavioral task
behavioral17
Sample
Ransomware/CryptoWall.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral18
Sample
Ransomware/DeriaLock.exe
Resource
win7-20240215-en
Behavioral task
behavioral19
Sample
Ransomware/DeriaLock.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral20
Sample
Ransomware/Dharma.exe
Resource
win7-20240221-en
Behavioral task
behavioral21
Sample
Ransomware/Dharma.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral22
Sample
Ransomware/Fantom.exe
Resource
win7-20240221-en
Behavioral task
behavioral23
Sample
Ransomware/Fantom.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral24
Sample
Ransomware/GandCrab.exe
Resource
win7-20240215-en
Behavioral task
behavioral25
Sample
Ransomware/GandCrab.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral26
Sample
Ransomware/GoldenEye/GoldenEye.exe
Resource
win7-20240221-en
Behavioral task
behavioral27
Sample
Ransomware/GoldenEye/GoldenEye.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral28
Sample
Ransomware/GoldenEye/GoldenEye.js
Resource
win7-20240221-en
Behavioral task
behavioral29
Sample
Ransomware/GoldenEye/GoldenEye.js
Resource
win10v2004-20240226-en
Behavioral task
behavioral30
Sample
Ransomware/InfinityCrypt.exe
Resource
win7-20240221-en
Behavioral task
behavioral31
Sample
Ransomware/InfinityCrypt.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral32
Sample
Ransomware/Krotten.exe
Resource
win7-20240221-en
General
-
Target
Ransomware/Birele.exe
-
Size
116KB
-
MD5
41789c704a0eecfdd0048b4b4193e752
-
SHA1
fb1e8385691fa3293b7cbfb9b2656cf09f20e722
-
SHA256
b2dcfdf9e7b09f2aa5004668370e77982963ace820e7285b2e264a294441da23
-
SHA512
76391ac85fdc3be75441fcd6e19bed08b807d3946c7281c647f16a3be5388f7be307e6323fac8502430a4a6d800d52a88709592a49011ecc89de4f19102435ea
-
SSDEEP
3072:pYV/aVHN9ySTn34w33FVTyuGAxsvBLSqAKZqoqrxy031l3y:8adNlltyu3Pa5gr33
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Ransomware\\Birele.exe" Birele.exe -
resource yara_rule behavioral9/memory/1788-0-0x0000000000400000-0x0000000000438000-memory.dmp upx behavioral9/memory/1788-2-0x0000000000400000-0x0000000000438000-memory.dmp upx behavioral9/memory/1788-4-0x0000000000400000-0x0000000000438000-memory.dmp upx behavioral9/memory/1788-5-0x0000000000400000-0x0000000000438000-memory.dmp upx behavioral9/memory/1788-6-0x0000000000400000-0x0000000000438000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Ransomware\\Birele.exe" Birele.exe -
Kills process with taskkill 1 IoCs
pid Process 1668 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1668 taskkill.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1788 wrote to memory of 1668 1788 Birele.exe 88 PID 1788 wrote to memory of 1668 1788 Birele.exe 88 PID 1788 wrote to memory of 1668 1788 Birele.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ransomware\Birele.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware\Birele.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM explorer.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1668
-