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240329-c4jf6aga879Analysis
- max time kernel
101s - max time network
1763s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
09/04/2024, 07:30
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
win11-20240221-en
General
- Target bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
- Size 1.9MB
- Sample240409-jb97qsch3w
- SHA256 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8
- MD5 bab406ad3b0603a45625755ffbccce49
- SHA1 7ce0bd31c68c5b54854098acad195b7a8d804939
- SHA512 a85ca2bc5ab42f8d32856a87c665b66df7d8e1c1ebbb143015d06fcc1bddba1faf684e2ee1d2a572f5ed04edf3a061837c293b5c1e3d2214864b90d8a68d25cc
- SSDEEP 49152:hgWDef4IXn7EvfNf+x83OeG5ztpAEq2pe2n9SCtQV:hvo49fk83ONztiEqz2nA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/2844-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-9-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-10-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-15-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-24-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-25-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-36-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-43-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-47-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-48-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-49-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-52-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-53-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-54-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-55-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-56-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-63-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-68-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-85-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-92-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-98-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-101-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-100-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-96-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-95-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-91-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-90-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-88-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-86-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-84-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-83-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-80-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-76-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-72-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-70-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-67-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-66-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-60-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral1/memory/2844-59-0x0000000000400000-0x0000000000848000-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 - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 142 discord.com 199 discord.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1716 set thread context of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2844 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2844 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2844 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28 PID 1716 wrote to memory of 2844 1716 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 28
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:1716 -
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:2844
-
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.tmp
- Size 2.6MB
- SHA256 c89a350f2a67be2729932bd4216a02d6b6217704c84a283e07012d442f6ccce5
- MD5 a7322c0ba805744c82137309ef062277
- SHA1 a7e721160f91611ab399948951a5a5d514fde409
- SHA512 d087fe0866f89235d193a5e1de751b3b7601c53b92ecbd092a5ee238b191254130c8a61b48796e4de2f42d77644238e7613f1aa9be8435ffee023c9baeb4c7c5
- SSDEEP 12288:S6gOzeRnVZ1+utMmKblY/otsbL1ndAr2qQuzJJykqZcmZY+Zwgo/:SrdoumgAtOdwJiumWKo/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
- Size 5.8MB
- SHA256 8fa3f602ff158aabce27baa7ff933a2b3d5a6c52a159ad55858281d867b0b95a
- MD5 dfdfaf4deaa2102a5429c75d83161d58
- SHA1 b04b2fba5a05d1c82ac48f90bf472c957d6eb11c
- SHA512 733aa7086dc33f4ca7767cc3ffbecedce6304e3c8bc03b91371087177edf137dbb4f507801af2d2393a19405e2d018f1381ddbb7c5a3f9a95e1150d55347b7e6
- SSDEEP 24576:f14zGH4dn326XO/N/KZiw5fNHqArT5SNiSqaWbasn+jyaDmejXue6oAxVHc17Zjx:oRUbN
- MD5 SHA1 SHA512 SSDEEP