Analysis
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max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:21
Static task
static1
Behavioral task
behavioral1
Sample
266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe
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Size
176KB
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MD5
1c3d4dd219a50f78d1b53f8ce4209040
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SHA1
af885067b50bc81c3132612a908cce2bde29e094
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SHA256
266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1
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SHA512
24b0f8a0c12c3478355783031aa7096b6da73c72bf101e1fbacabf0c98f8999673a5eec3e8498d9731f071bf4d4e6cbf6bc0c294825e2568256f84ca2f0a8217
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SSDEEP
3072:OC1IrPf+gj2HsfyKnvmb7/D26zjlBvWlzPpsPfjQ8sqLELTS55pMzcUK1vUyGe4q:Mf+1Knvmb7/D26zjlBvWhPpsPfjQ8sq7
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" boifio.exe -
Executes dropped EXE 1 IoCs
pid Process 1784 boifio.exe -
Loads dropped DLL 2 IoCs
pid Process 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /O" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /p" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /u" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /x" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /r" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /k" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /D" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /s" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /X" 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /C" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /c" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /J" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /G" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /z" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /Y" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /f" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /E" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /K" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /h" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /n" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /y" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /M" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /N" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /A" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /R" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /H" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /w" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /v" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /T" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /W" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /B" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /g" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /o" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /Q" boifio.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /Z" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /X" boifio.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /a" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /q" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /U" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /I" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /F" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /d" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /m" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /V" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /t" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /L" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /b" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /S" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /j" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /i" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /P" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /e" boifio.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\boifio = "C:\\Users\\Admin\\boifio.exe /l" boifio.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 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe 1784 boifio.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 1784 boifio.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1220 wrote to memory of 1784 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 27 PID 1220 wrote to memory of 1784 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 27 PID 1220 wrote to memory of 1784 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 27 PID 1220 wrote to memory of 1784 1220 266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.exe"C:\Users\Admin\AppData\Local\Temp\266e308c6781117b513e36ef1e3a4bec15f3d474d75f7bee986473f593d856a1.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:1220 -
C:\Users\Admin\boifio.exe"C:\Users\Admin\boifio.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:1784
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD5e97e415ea3cf7b459e17f0189d168c11
SHA1b12f787a6d754ecd3af082a2bcee815262f123b7
SHA25651232a166e2767af03847d93647caa3e6c8c4f5898e54669d1cb98b492cef1c8
SHA512ae017324295284dd68941e85c3905ec4e2b21712a3f92c7ef9684c0a9b2c40526789adf97e8572064db6fa1d5ce71520db7f2a874a158da38d95960cedfcde67
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Filesize
176KB
MD5e97e415ea3cf7b459e17f0189d168c11
SHA1b12f787a6d754ecd3af082a2bcee815262f123b7
SHA25651232a166e2767af03847d93647caa3e6c8c4f5898e54669d1cb98b492cef1c8
SHA512ae017324295284dd68941e85c3905ec4e2b21712a3f92c7ef9684c0a9b2c40526789adf97e8572064db6fa1d5ce71520db7f2a874a158da38d95960cedfcde67
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Filesize
176KB
MD5e97e415ea3cf7b459e17f0189d168c11
SHA1b12f787a6d754ecd3af082a2bcee815262f123b7
SHA25651232a166e2767af03847d93647caa3e6c8c4f5898e54669d1cb98b492cef1c8
SHA512ae017324295284dd68941e85c3905ec4e2b21712a3f92c7ef9684c0a9b2c40526789adf97e8572064db6fa1d5ce71520db7f2a874a158da38d95960cedfcde67
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Filesize
176KB
MD5e97e415ea3cf7b459e17f0189d168c11
SHA1b12f787a6d754ecd3af082a2bcee815262f123b7
SHA25651232a166e2767af03847d93647caa3e6c8c4f5898e54669d1cb98b492cef1c8
SHA512ae017324295284dd68941e85c3905ec4e2b21712a3f92c7ef9684c0a9b2c40526789adf97e8572064db6fa1d5ce71520db7f2a874a158da38d95960cedfcde67