Analysis
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max time kernel
148s -
max time network
164s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 03:48
Static task
static1
Behavioral task
behavioral1
Sample
22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe
Resource
win10v2004-20220812-en
General
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Target
22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe
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Size
658KB
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MD5
601ddad314b61246283fcaacdb1f9940
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SHA1
f8e47b1bbcc07bd06e47bbb409a7cefe50c8cc3a
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SHA256
22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be
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SHA512
98aab411fc22ed4d8db9a6ccee4e72c4cfea9a27833a6f315d7a738f66c30d15ba7bcae386581d123186305eadcc0fe28b0a99bf3ea3f4caa0240ca1e536f084
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SSDEEP
12288:SaejG/5NwYkK19iOCr+TMoO30mYn0YaAsGhQHxM5DKTrH5eZQ2d:2jGAK19iOCr+TMoO30mYn0YaAstHxM5h
Malware Config
Signatures
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Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\.Net CLR\Parameters\ServiceDll = "C:\\Windows\\system32\\6c4970.dll" 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe -
Deletes itself 1 IoCs
pid Process 2024 cmd.exe -
Loads dropped DLL 6 IoCs
pid Process 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe 1828 svchost.exe 1768 rundll32.exe 1768 rundll32.exe 1768 rundll32.exe 1768 rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\6c4970.dll 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1828 wrote to memory of 1768 1828 svchost.exe 28 PID 1932 wrote to memory of 2024 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe 29 PID 1932 wrote to memory of 2024 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe 29 PID 1932 wrote to memory of 2024 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe 29 PID 1932 wrote to memory of 2024 1932 22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe"C:\Users\Admin\AppData\Local\Temp\22b4558e1d6d66465e5ef3241d3688a5e38c133820a4aa66a0494dc01481a0be.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\22B455~1.EXE" > nul2⤵
- Deletes itself
PID:2024
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k ".Net CLR"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe c:\windows\system32\6c4970.dll, Launch2⤵
- Loads dropped DLL
PID:1768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476
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Filesize
610KB
MD52b194e786f58b20023e29bd464843c4e
SHA100601e9d4908b252af37e45ce06e04b587911e30
SHA256afd906c340b56687ddff5f95ee62830b77eadc2008e88cb1117bac26b33a653d
SHA512ed7b53b308126922a73965f1c9fdd5faeb2c3662adacc1b3cf1474b171c766c479ddc81e9a2a8813106a96a44b092800977c374f8027d7565228422f4a46b476