Analysis
-
max time kernel
137s -
max time network
138s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
22-03-2021 05:39
Static task
static1
Behavioral task
behavioral1
Sample
yokingg.bin.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
yokingg.bin.exe
Resource
win10v20201028
General
-
Target
yokingg.bin.exe
-
Size
261KB
-
MD5
4de76198ea4488eae192d0ca4e4bd66b
-
SHA1
5ac5585b13ea356969b168b86df12053a6de4ee2
-
SHA256
150e8ef3f1b0d5b5b2af2ffc8d540cb0e36ecdcaf5001bab2f318e36a3c25302
-
SHA512
db6c2ebbd9d01ebf8af3e68ef8e938c7b6da2c0eef5fc22f63fe69665c56ec19c2d241558984e03afb116b98a4e7dc2b0f4aa8dadd90f44caf3f72ae5f2ee52f
Malware Config
Extracted
C:\bootmgr.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\BOOTNXT.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\BOOTSECT.BAK.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2010_x64.log.html.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2012_x64_0_vcRuntimeMinimum_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2012_x64_1_vcRuntimeAdditional_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2013_x64_000_vcRuntimeMinimum_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2013_x64_001_vcRuntimeAdditional_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2019_x64_000_vcRuntimeMinimum_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
C:\vcredist2019_x64_001_vcRuntimeAdditional_x64.log.txt
olaggoune235@protonmail.ch
ouardia11@tutanota.com
Extracted
Protocol: smtp- Host:
smtp.ionos.fr - Port:
587 - Username:
laurent.pierre@pilote-seine.fr - Password:
pilote30
Signatures
-
Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
-
Drops startup file 1 IoCs
Processes:
yokingg.bin.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\REZZZS.js yokingg.bin.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
yokingg.bin.exedescription pid process Token: SeDebugPrivilege 644 yokingg.bin.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/644-2-0x00007FFC34C50000-0x00007FFC355F0000-memory.dmpFilesize
9.6MB
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memory/644-3-0x00000000012E0000-0x00000000012E2000-memory.dmpFilesize
8KB
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memory/644-5-0x00000000012E2000-0x00000000012E4000-memory.dmpFilesize
8KB
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memory/644-4-0x0000000001380000-0x0000000001381000-memory.dmpFilesize
4KB
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memory/644-6-0x00000000012E4000-0x00000000012E5000-memory.dmpFilesize
4KB
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memory/644-7-0x00000000012E5000-0x00000000012E6000-memory.dmpFilesize
4KB