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240329-c4jf6aga879Analysis
- max time kernel
126s - max time network
305s - platform
windows11-21h2_x64 - resource
win11-20240319-en - resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-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
- Target bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
- Size 1.9MB
- Sample240409-ja2h7she62
- SHA256 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8
- MD5 bab406ad3b0603a45625755ffbccce49
- SHA1 7ce0bd31c68c5b54854098acad195b7a8d804939
- SHA512 a85ca2bc5ab42f8d32856a87c665b66df7d8e1c1ebbb143015d06fcc1bddba1faf684e2ee1d2a572f5ed04edf3a061837c293b5c1e3d2214864b90d8a68d25cc
- SSDEEP 49152:hgWDef4IXn7EvfNf+x83OeG5ztpAEq2pe2n9SCtQV:hvo49fk83ONztiEqz2nA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral4/memory/4332-3-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-9-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-14-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-23-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-24-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-25-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-26-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-27-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-35-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-50-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-51-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-52-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-56-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-57-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-58-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-59-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-66-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-64-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-71-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-76-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-81-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-92-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-106-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-105-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-109-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-108-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-107-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-96-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-91-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-103-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-88-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-87-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-86-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-85-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-83-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-75-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-80-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-74-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-79-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-67-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-68-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-65-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-62-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-61-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral4/memory/4332-63-0x0000000000400000-0x0000000000848000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2976 set thread context of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 4332 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81 PID 2976 wrote to memory of 4332 2976 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 81
Processes
-
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:2976 -
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:4332
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus
- Size 2.6MB
- SHA256 d9595b5e4bb49267b93c50334024de412c0e8a2831f2caa1102529292b9c2a7e
- MD5 3af58b6add70a3559c53205e4aefd0f9
- SHA1 5c1a95db8a1695b14b26cb5e8ae92fea5bd9da41
- SHA512 21b93f9444d559aa19fd36afd939120623187fd42cf43296447cfa8794d7a72773900405b37587def2e794b7e829d337aaf5b397a8882552875a89023f104f97
- SSDEEP 12288:JBaKCgOksvLehBVgMYSRzgHG7k9iqhv4lgUQD6ShGsnMeLqEwOy:JoxTeXn5gXSwDjJn5uOy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
- Size 7.2MB
- SHA256 512c49caf113ec614cc392adc7953bc696143d7ea3b2f41e5630776feb2a7fa1
- MD5 0bf533429d9c32340d07bb187ba43c0f
- SHA1 c1d8807396e55a1c4a621a3beee056968ca0bcdb
- SHA512 a19b477f132241bd51350d2f435a74e7fa1beb6272c936e7ebc14fe35b55b33acaae4ac227d9e8ad80c4056548c56faa607a08121afcb7eb83c8e3194c33e13d
- SSDEEP 24576:+dE2AUVTeDiHwRxr6qcif4d0RnXqpZZ2jppvez4e1nk8fkskmLJsbWmWH5BcoDjo:qdzhHnAX
- MD5 SHA1 SHA512 SSDEEP