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240329-c4jf6aga87 9Analysis
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max time kernel
299s -
max time network
305s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
09-04-2024 07:28
Static task
static1
Behavioral task
behavioral1
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Resource
win11-20240319-en
General
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Target
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
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Size
1.9MB
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MD5
bab406ad3b0603a45625755ffbccce49
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SHA1
7ce0bd31c68c5b54854098acad195b7a8d804939
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SHA256
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8
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SHA512
a85ca2bc5ab42f8d32856a87c665b66df7d8e1c1ebbb143015d06fcc1bddba1faf684e2ee1d2a572f5ed04edf3a061837c293b5c1e3d2214864b90d8a68d25cc
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SSDEEP
49152:hgWDef4IXn7EvfNf+x83OeG5ztpAEq2pe2n9SCtQV:hvo49fk83ONztiEqz2nA
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4656-3-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-9-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-22-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-30-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-32-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-36-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-42-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-46-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-47-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-48-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-54-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-55-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-56-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-60-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-61-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-62-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-63-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-64-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-65-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-70-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-72-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-71-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-74-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-81-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-80-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-84-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-91-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-108-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-112-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-111-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-110-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-109-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-107-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-103-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-100-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-106-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-105-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-97-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-96-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-94-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-90-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-89-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-95-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-87-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-86-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-83-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-76-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/4656-75-0x0000000000400000-0x0000000000848000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription pid process target process PID 2988 set thread context of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 9916 4656 WerFault.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exepid process 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4656 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exedescription pid process target process PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe PID 2988 wrote to memory of 4656 2988 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4656 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 372283⤵
- Program crash
PID:9916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD53af58b6add70a3559c53205e4aefd0f9
SHA15c1a95db8a1695b14b26cb5e8ae92fea5bd9da41
SHA256d9595b5e4bb49267b93c50334024de412c0e8a2831f2caa1102529292b9c2a7e
SHA51221b93f9444d559aa19fd36afd939120623187fd42cf43296447cfa8794d7a72773900405b37587def2e794b7e829d337aaf5b397a8882552875a89023f104f97
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Filesize
9.4MB
MD5c298a64e19f4a74e8e7140bf04d620c7
SHA1f9faab30862ef2cc86096a1d5d456d9310bd68d5
SHA25605ac8aee82c2ce9fbfbd2adb6de03f13a56a3e68a04fda1ffe20306ea5d3180a
SHA512e2629f2b1c64d2604679f33eefc6e4f5126f8e7a639e39690c38fb98b94c10186d20e562226dc5b983ac08274f63475a180397647e3793a4a44cabe7cb55ed18