Analysis
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max time kernel
151s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:46
Static task
static1
Behavioral task
behavioral1
Sample
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe
Resource
win10v2004-20220812-en
General
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Target
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe
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Size
706KB
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MD5
f19169a6b8560929aa39a73913b7ec34
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SHA1
2c033549b4bde08aa04dcc8ab8b48404194a26df
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SHA256
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8
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SHA512
a1e0839b60864ded94b71c3371847d61cce03b3ae43d2e03b7644ade1539e56b758cd0d075380cfe437dbb7fe7677bb0e2d6563880dc88e5c3579d6f1678b548
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SSDEEP
12288:gp/iN/mlVdtvrYeyZJf7kPK+iqBZn+D73iKHeGspmioKY1XelYa:gpQ/6trYlvYPK+lqD73TeGspmisg/
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
ScrBlaze.scrScrBlaze.scrpid process 4308 ScrBlaze.scr 3368 ScrBlaze.scr -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe -
Drops file in Windows directory 7 IoCs
Processes:
ScrBlaze.scrScrBlaze.scrc159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exedescription ioc process File created C:\Windows\s18273659 ScrBlaze.scr File opened for modification C:\Windows\s18273659 ScrBlaze.scr File created C:\Windows\s18273659 ScrBlaze.scr File opened for modification C:\Windows\s18273659 ScrBlaze.scr File created C:\Windows\s18273659 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe File opened for modification C:\Windows\s18273659 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe File created C:\Windows\ScrBlaze.scr c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Control Panel 2 IoCs
Processes:
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\ScrBlaze.scr" c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe -
Processes:
ScrBlaze.scrScrBlaze.scrdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" ScrBlaze.scr Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" ScrBlaze.scr Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\IESettingSync ScrBlaze.scr Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\GPU ScrBlaze.scr Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x1414\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"6.2.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" ScrBlaze.scr Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" ScrBlaze.scr Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch ScrBlaze.scr Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" ScrBlaze.scr Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch ScrBlaze.scr Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\IESettingSync ScrBlaze.scr -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exeScrBlaze.scrScrBlaze.scrpid process 4028 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe 4028 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe 4308 ScrBlaze.scr 4308 ScrBlaze.scr 3368 ScrBlaze.scr 3368 ScrBlaze.scr -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exedescription pid process target process PID 4028 wrote to memory of 4308 4028 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe ScrBlaze.scr PID 4028 wrote to memory of 4308 4028 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe ScrBlaze.scr PID 4028 wrote to memory of 4308 4028 c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe ScrBlaze.scr
Processes
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C:\Users\Admin\AppData\Local\Temp\c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe"C:\Users\Admin\AppData\Local\Temp\c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\ScrBlaze.scr"C:\Windows\ScrBlaze.scr" /S2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4308
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C:\Windows\ScrBlaze.scrC:\Windows\ScrBlaze.scr /s1⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3368
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
706KB
MD5f19169a6b8560929aa39a73913b7ec34
SHA12c033549b4bde08aa04dcc8ab8b48404194a26df
SHA256c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8
SHA512a1e0839b60864ded94b71c3371847d61cce03b3ae43d2e03b7644ade1539e56b758cd0d075380cfe437dbb7fe7677bb0e2d6563880dc88e5c3579d6f1678b548
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Filesize
706KB
MD5f19169a6b8560929aa39a73913b7ec34
SHA12c033549b4bde08aa04dcc8ab8b48404194a26df
SHA256c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8
SHA512a1e0839b60864ded94b71c3371847d61cce03b3ae43d2e03b7644ade1539e56b758cd0d075380cfe437dbb7fe7677bb0e2d6563880dc88e5c3579d6f1678b548
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Filesize
706KB
MD5f19169a6b8560929aa39a73913b7ec34
SHA12c033549b4bde08aa04dcc8ab8b48404194a26df
SHA256c159adf4dc1eddb7122fc26fb1a0967354c6ea62b894d3e04dfd8adf286e4de8
SHA512a1e0839b60864ded94b71c3371847d61cce03b3ae43d2e03b7644ade1539e56b758cd0d075380cfe437dbb7fe7677bb0e2d6563880dc88e5c3579d6f1678b548
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Filesize
887B
MD5232d715e00154e990d6307e680cd91c0
SHA19b332d664511959d501d1e95774b98244afaa539
SHA25645c69f879f9fd18bcbaacf8a0e63be75113b898832ab074c2c3fd28ac69d93c2
SHA5122d284efdd8f289b5b3bda0f9f37cad3a2fbe9762e407398cfb7fde1bfbc2b174cda83e7d455a6b4cc555187a7a8beeef28aa62ca70a9d3a2eaf78828b36ce390
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Filesize
887B
MD5232d715e00154e990d6307e680cd91c0
SHA19b332d664511959d501d1e95774b98244afaa539
SHA25645c69f879f9fd18bcbaacf8a0e63be75113b898832ab074c2c3fd28ac69d93c2
SHA5122d284efdd8f289b5b3bda0f9f37cad3a2fbe9762e407398cfb7fde1bfbc2b174cda83e7d455a6b4cc555187a7a8beeef28aa62ca70a9d3a2eaf78828b36ce390
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Filesize
907B
MD5d4b6c9c7d658d4a49b86f6072c138bf6
SHA1cb4548b21aaa1e414018dfabfb93bd55dc076ec9
SHA256af5b5264ca0f62ba85934782b518da40cc5803b599cf63e578efe504685f219b
SHA51274644857c45c23b1158cb58de450de0060f6059e3c1ebc9cb5264172c81eb4490f538836166bbc57ffb4e73157a17d1d5c99c4cdfc8e2f35ab323fa3041f3d08