Analysis
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max time kernel
151s -
max time network
86s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 14:38
Static task
static1
Behavioral task
behavioral1
Sample
612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe
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Size
156KB
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MD5
5c5a4c45f2b92691e742fdbdd165277e
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SHA1
f3bd8acaff2ec777ed5aeedf5a6eddf5e2c40dc5
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SHA256
612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca
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SHA512
9ca1a7cc22d62167a7320bf5dcbfc3eebf42097fe6417d20d4d8f77ee0aaafd4e073f3c6f41762b418f2c7b4072c57fa6c7da3b46fbdfe62ca01ad0deaf835c0
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SSDEEP
1536:IAkum+uYlFBU8gRDGHPOGMmUbaxGAka+t/K9rCGaV9mw7Jqx8M+dzAbOQgRVd:K+uYlja4UbaxqkCGaVD7JqfKAbfod
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeakiab.exe -
Executes dropped EXE 1 IoCs
pid Process 1936 yeakiab.exe -
Loads dropped DLL 2 IoCs
pid Process 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /c" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /j" yeakiab.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /U" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /k" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /p" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /w" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /S" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /T" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /E" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /b" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /e" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /H" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /a" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /W" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /F" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /O" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /i" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /j" 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /G" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /X" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /M" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /n" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /B" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /f" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /y" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /A" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /r" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /t" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /R" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /V" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /v" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /Y" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /I" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /s" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /K" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /Q" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /d" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /P" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /g" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /D" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /h" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /q" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /C" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /J" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /N" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /u" yeakiab.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /x" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /Z" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /o" yeakiab.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeakiab = "C:\\Users\\Admin\\yeakiab.exe /z" yeakiab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe 1936 yeakiab.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 1936 yeakiab.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1464 wrote to memory of 1936 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 27 PID 1464 wrote to memory of 1936 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 27 PID 1464 wrote to memory of 1936 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 27 PID 1464 wrote to memory of 1936 1464 612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe"C:\Users\Admin\AppData\Local\Temp\612201904d692407315c35cac15ae334b6a61c437f56a0ad61157d2f10fbe5ca.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\yeakiab.exe"C:\Users\Admin\yeakiab.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
156KB
MD5e14b159bb8c2702c7565724d412d5d8a
SHA17838b95f196f64a8e609e8985cb0369fe6623d23
SHA256e9d6c7324de8c856e593d2106c73a19b9ae751cde9f71b2a353d0c097eaacc04
SHA5128e31efeccdcaf169b34f74f6484393c65d390051ce403613d73f8a18a0c0a69c9d8061490cc4924414e0798293a348c1c1ed3fefbcae196287ffd1709099cce7
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Filesize
156KB
MD5e14b159bb8c2702c7565724d412d5d8a
SHA17838b95f196f64a8e609e8985cb0369fe6623d23
SHA256e9d6c7324de8c856e593d2106c73a19b9ae751cde9f71b2a353d0c097eaacc04
SHA5128e31efeccdcaf169b34f74f6484393c65d390051ce403613d73f8a18a0c0a69c9d8061490cc4924414e0798293a348c1c1ed3fefbcae196287ffd1709099cce7
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Filesize
156KB
MD5e14b159bb8c2702c7565724d412d5d8a
SHA17838b95f196f64a8e609e8985cb0369fe6623d23
SHA256e9d6c7324de8c856e593d2106c73a19b9ae751cde9f71b2a353d0c097eaacc04
SHA5128e31efeccdcaf169b34f74f6484393c65d390051ce403613d73f8a18a0c0a69c9d8061490cc4924414e0798293a348c1c1ed3fefbcae196287ffd1709099cce7
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Filesize
156KB
MD5e14b159bb8c2702c7565724d412d5d8a
SHA17838b95f196f64a8e609e8985cb0369fe6623d23
SHA256e9d6c7324de8c856e593d2106c73a19b9ae751cde9f71b2a353d0c097eaacc04
SHA5128e31efeccdcaf169b34f74f6484393c65d390051ce403613d73f8a18a0c0a69c9d8061490cc4924414e0798293a348c1c1ed3fefbcae196287ffd1709099cce7