Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12-10-2023 16:08
Static task
static1
Behavioral task
behavioral1
Sample
8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs
Resource
win7-20230831-en
General
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Target
8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs
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Size
1012KB
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MD5
1f748b8c698897498ad07a6362e780f1
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SHA1
d931d2c1b103b41561db7760cf882c523624d28a
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SHA256
8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc
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SHA512
992c70b8c9c308b0de74bb0e31fab54a5144cf5de73d427e42f07181d61c109b6f5663fb794f2a349e527b6e6a0a535d34895e1b5b3041db87d9fd125934eeb7
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SSDEEP
6144:06OqlFA5GwtqDUJxtl6O2m07woeVIbNMFiczYClIFLCUygb8RII8auz1DJu1RGvg:7AF4hYimSCkAHuGGGPwfCeWz
Malware Config
Extracted
icedid
361893872
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 8 2504 rundll32.exe 10 2504 rundll32.exe -
Loads dropped DLL 5 IoCs
Processes:
regsvr32.exerundll32.exepid process 3036 regsvr32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\CLSID\{CD1A6948-1029-6F7B-A9B0-B5B689432798} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\CLSID\{CD1A6948-1029-6F7B-A9B0-B5B689432798}\ = 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 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 3036 regsvr32.exe 3036 regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WScript.exeregsvr32.execmd.exedescription pid process target process PID 2392 wrote to memory of 3036 2392 WScript.exe regsvr32.exe PID 2392 wrote to memory of 3036 2392 WScript.exe regsvr32.exe PID 2392 wrote to memory of 3036 2392 WScript.exe regsvr32.exe PID 2392 wrote to memory of 3036 2392 WScript.exe regsvr32.exe PID 2392 wrote to memory of 3036 2392 WScript.exe regsvr32.exe PID 3036 wrote to memory of 2772 3036 regsvr32.exe cmd.exe PID 3036 wrote to memory of 2772 3036 regsvr32.exe cmd.exe PID 3036 wrote to memory of 2772 3036 regsvr32.exe cmd.exe PID 2772 wrote to memory of 2504 2772 cmd.exe rundll32.exe PID 2772 wrote to memory of 2504 2772 cmd.exe rundll32.exe PID 2772 wrote to memory of 2504 2772 cmd.exe rundll32.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0494-1.dll2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll,#13⤵
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll,#14⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Modifies registry class
PID:2504
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5a7468a08db9bcc2e67322f51fa8d0669
SHA166b1050600f05920cb0de51aab629214469f3017
SHA256c936b1001a546ae78694c441f508fc85e5b1e8006dbe12eb382b145e983e4121
SHA512c73da20db342404e12ad0f6302616b8b9ca7fd9a919a51416928178b3da44483495927b00625df46cae8a9662c0966a5a086dec94c4d4c0cacabca5094a09f36
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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Filesize
556KB
MD5002c64d47bf8c0878ac8ec2b4740f682
SHA1acc44c89420270083de7d67b025748a4b98071ed
SHA256b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
SHA51280f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
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Filesize
328KB
MD5d7e6bc7d9983adc4dd2820d00756c7c0
SHA115fa33e71a2c20f73bc4595546b1494ec2e561b0
SHA256f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711
SHA51242d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001
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Filesize
556KB
MD5002c64d47bf8c0878ac8ec2b4740f682
SHA1acc44c89420270083de7d67b025748a4b98071ed
SHA256b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
SHA51280f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
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Filesize
556KB
MD5002c64d47bf8c0878ac8ec2b4740f682
SHA1acc44c89420270083de7d67b025748a4b98071ed
SHA256b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
SHA51280f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
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Filesize
556KB
MD5002c64d47bf8c0878ac8ec2b4740f682
SHA1acc44c89420270083de7d67b025748a4b98071ed
SHA256b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
SHA51280f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
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Filesize
556KB
MD5002c64d47bf8c0878ac8ec2b4740f682
SHA1acc44c89420270083de7d67b025748a4b98071ed
SHA256b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1
SHA51280f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd
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Filesize
328KB
MD5d7e6bc7d9983adc4dd2820d00756c7c0
SHA115fa33e71a2c20f73bc4595546b1494ec2e561b0
SHA256f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711
SHA51242d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001