Analysis
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max time kernel
151s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01-12-2022 23:51
Static task
static1
Behavioral task
behavioral1
Sample
e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe
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Size
224KB
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MD5
aaa038a4afb70a3c98428b934ec9ef02
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SHA1
289cbf33bf472e7ae6ec82d67d85d40386415480
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SHA256
e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d
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SHA512
19c4be51eeffb8225db102b54b3fedf39ac3f3ba613d913022242e561151e68fe712557820e5c8315508f0d2ec38b894e0b14147994dc1b6b40c2fbe24cac07e
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SSDEEP
6144:mFILyFdn53qLowKnvmb7/D26NID5UR2uNhVc5QTI/Mfqcp:mWL+n53qLowKnvmb7/D26rVc5AIMfqcp
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pbcus.exe -
Executes dropped EXE 1 IoCs
pid Process 1168 pbcus.exe -
Loads dropped DLL 2 IoCs
pid Process 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /C" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /F" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /R" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /J" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /U" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /Z" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /E" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /p" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /u" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /j" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /N" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /n" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /O" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /I" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /q" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /e" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /s" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /L" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /V" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /D" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /Y" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /d" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /M" pbcus.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /v" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /l" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /a" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /y" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /o" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /A" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /S" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /G" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /z" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /b" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /Q" e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /h" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /f" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /H" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /T" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /K" pbcus.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /r" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /i" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /W" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /k" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /w" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /g" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /c" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /m" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /t" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /Q" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /B" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /X" pbcus.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\pbcus = "C:\\Users\\Admin\\pbcus.exe /P" pbcus.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 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe 1168 pbcus.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 1168 pbcus.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2012 wrote to memory of 1168 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 27 PID 2012 wrote to memory of 1168 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 27 PID 2012 wrote to memory of 1168 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 27 PID 2012 wrote to memory of 1168 2012 e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.exe"C:\Users\Admin\AppData\Local\Temp\e3d8fdc6303d477b14d37ce6a8cc7d48435f671be09e3167b2572d83871e583d.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:2012 -
C:\Users\Admin\pbcus.exe"C:\Users\Admin\pbcus.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:1168
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD565e5ff16a1f5ef352cd7b33d90955107
SHA116224db444ea9400c3034e62f7b764bca73f36ef
SHA256da7ca8fb290a511966a8afb2fc12c5c4c44d1e98c9a712d1020924cef0230660
SHA51237fafc79173bfd3fb8c28bd67018aaa0e55bad9a71d214bbea103e93a264b5a004b625cc944e0a8981decdfb0faa642e0296b3f82f046954a63351f04329e8b1
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Filesize
224KB
MD565e5ff16a1f5ef352cd7b33d90955107
SHA116224db444ea9400c3034e62f7b764bca73f36ef
SHA256da7ca8fb290a511966a8afb2fc12c5c4c44d1e98c9a712d1020924cef0230660
SHA51237fafc79173bfd3fb8c28bd67018aaa0e55bad9a71d214bbea103e93a264b5a004b625cc944e0a8981decdfb0faa642e0296b3f82f046954a63351f04329e8b1
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Filesize
224KB
MD565e5ff16a1f5ef352cd7b33d90955107
SHA116224db444ea9400c3034e62f7b764bca73f36ef
SHA256da7ca8fb290a511966a8afb2fc12c5c4c44d1e98c9a712d1020924cef0230660
SHA51237fafc79173bfd3fb8c28bd67018aaa0e55bad9a71d214bbea103e93a264b5a004b625cc944e0a8981decdfb0faa642e0296b3f82f046954a63351f04329e8b1
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Filesize
224KB
MD565e5ff16a1f5ef352cd7b33d90955107
SHA116224db444ea9400c3034e62f7b764bca73f36ef
SHA256da7ca8fb290a511966a8afb2fc12c5c4c44d1e98c9a712d1020924cef0230660
SHA51237fafc79173bfd3fb8c28bd67018aaa0e55bad9a71d214bbea103e93a264b5a004b625cc944e0a8981decdfb0faa642e0296b3f82f046954a63351f04329e8b1