Analysis
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max time kernel
248s -
max time network
204s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe
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Size
260KB
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MD5
411a3428f90a2bce2717dc2fdeb34b44
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SHA1
b8265d062440e5bdf5c8ca512eb8a5d66363f774
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SHA256
788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60
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SHA512
9d80a6a07dc61e5c9cef8225fc7f3c7f4bc71604f9c7e2d7973ef75d1604fb66abed7a41057cb6d71f5a4d9fe59f0bad228827f02e86d21189ae8f9bdf2e440e
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SSDEEP
6144:vdajgTSrMaIl/jcLijfHFEHWzXvjT85R:v88TSrMaIqLlI/H85R
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ciicau.exe -
Executes dropped EXE 1 IoCs
pid Process 1164 ciicau.exe -
Loads dropped DLL 2 IoCs
pid Process 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe -
Adds Run key to start application 2 TTPs 47 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /v" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /l" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /M" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /V" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /G" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /d" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /r" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /n" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /H" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /t" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /N" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /k" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /p" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /T" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /P" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /E" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /O" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /f" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /A" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /g" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /s" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /o" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /S" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /W" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /D" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /c" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /U" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /Z" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /y" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /j" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /Y" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /C" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /h" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /L" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /i" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /m" ciicau.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /K" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /a" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /F" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /x" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /q" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /b" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /I" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /z" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /u" ciicau.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ciicau = "C:\\Users\\Admin\\ciicau.exe /R" ciicau.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 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe 1164 ciicau.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 1164 ciicau.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1448 wrote to memory of 1164 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 28 PID 1448 wrote to memory of 1164 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 28 PID 1448 wrote to memory of 1164 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 28 PID 1448 wrote to memory of 1164 1448 788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe"C:\Users\Admin\AppData\Local\Temp\788a8e7d69cd96e1edabed71f7c7b1a218afd8ff740d7f4e946e5f258f365e60.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\ciicau.exe"C:\Users\Admin\ciicau.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:1164
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
260KB
MD5a7b56ccdbdcebda3e376d0022571cf5f
SHA1f5cb3adbf4f47913eb087c2cc16f44bcbd2f5c40
SHA2569fd84ab077a1df132c461fd4f1696fa2c92a4eb4c1c7a265f35c1424923c2933
SHA51253434594402880bf4697946485444ea174e58eec926aaf862cdee8b765a0e1b0acaa2ded4725a005d5bfa499dbd631d364cf60c045618678674a0fe1fef9cd2e
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Filesize
260KB
MD5a7b56ccdbdcebda3e376d0022571cf5f
SHA1f5cb3adbf4f47913eb087c2cc16f44bcbd2f5c40
SHA2569fd84ab077a1df132c461fd4f1696fa2c92a4eb4c1c7a265f35c1424923c2933
SHA51253434594402880bf4697946485444ea174e58eec926aaf862cdee8b765a0e1b0acaa2ded4725a005d5bfa499dbd631d364cf60c045618678674a0fe1fef9cd2e
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Filesize
260KB
MD5a7b56ccdbdcebda3e376d0022571cf5f
SHA1f5cb3adbf4f47913eb087c2cc16f44bcbd2f5c40
SHA2569fd84ab077a1df132c461fd4f1696fa2c92a4eb4c1c7a265f35c1424923c2933
SHA51253434594402880bf4697946485444ea174e58eec926aaf862cdee8b765a0e1b0acaa2ded4725a005d5bfa499dbd631d364cf60c045618678674a0fe1fef9cd2e
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Filesize
260KB
MD5a7b56ccdbdcebda3e376d0022571cf5f
SHA1f5cb3adbf4f47913eb087c2cc16f44bcbd2f5c40
SHA2569fd84ab077a1df132c461fd4f1696fa2c92a4eb4c1c7a265f35c1424923c2933
SHA51253434594402880bf4697946485444ea174e58eec926aaf862cdee8b765a0e1b0acaa2ded4725a005d5bfa499dbd631d364cf60c045618678674a0fe1fef9cd2e