Analysis
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max time kernel
146s -
max time network
70s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-07-2022 11:34
Static task
static1
Behavioral task
behavioral1
Sample
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
Resource
win10v2004-20220414-en
General
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Target
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
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Size
977KB
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MD5
f000ca9522aafa0c54b863528228a43b
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SHA1
c636e88b9e8079ba086f5cdb132fa39e747d0f23
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SHA256
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3
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SHA512
ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d
Malware Config
Extracted
bandook
iamgood.blogdns.net
Signatures
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Bandook payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1480-56-0x0000000013140000-0x0000000013B93000-memory.dmp family_bandook behavioral1/memory/1480-57-0x0000000013149793-mapping.dmp family_bandook behavioral1/memory/1480-60-0x0000000013140000-0x0000000013B93000-memory.dmp family_bandook behavioral1/memory/1480-61-0x0000000013140000-0x0000000013B93000-memory.dmp family_bandook behavioral1/memory/1480-62-0x0000000013140000-0x0000000013B93000-memory.dmp family_bandook -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exeiexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbc = "C:\\Users\\Admin\\AppData\\Local\\bbc\\bbc.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\bbc = "C:\\Users\\Admin\\AppData\\Local\\bbc\\bbc.exe" iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exedescription pid process target process PID 1752 set thread context of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.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 WriteProcessMemory 26 IoCs
Processes:
4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exedescription pid process target process PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1752 wrote to memory of 1480 1752 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe PID 1480 wrote to memory of 840 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 840 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 840 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 840 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 840 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1988 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1988 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1988 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1988 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1988 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 2016 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 2016 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 2016 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 2016 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 2016 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1996 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1996 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1996 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1996 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe PID 1480 wrote to memory of 1996 1480 4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe iexplore.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:840
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Adds Run key to start application
PID:1988 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵PID:2016
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Adds Run key to start application
PID:1996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\bbc\bbc.exeFilesize
977KB
MD5f000ca9522aafa0c54b863528228a43b
SHA1c636e88b9e8079ba086f5cdb132fa39e747d0f23
SHA2564f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3
SHA512ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d
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memory/1480-54-0x0000000013140000-0x0000000013B93000-memory.dmpFilesize
10.3MB
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memory/1480-56-0x0000000013140000-0x0000000013B93000-memory.dmpFilesize
10.3MB
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memory/1480-57-0x0000000013149793-mapping.dmp
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memory/1480-59-0x0000000075391000-0x0000000075393000-memory.dmpFilesize
8KB
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memory/1480-60-0x0000000013140000-0x0000000013B93000-memory.dmpFilesize
10.3MB
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memory/1480-61-0x0000000013140000-0x0000000013B93000-memory.dmpFilesize
10.3MB
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memory/1480-62-0x0000000013140000-0x0000000013B93000-memory.dmpFilesize
10.3MB