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240329-c4jf6aga879Analysis
- max time kernel
1792s - max time network
1799s - 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, 07:30
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 behavioral2/memory/2220-2-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-1-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-13-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-15-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-16-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-17-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-20-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-32-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-44-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-50-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-51-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-52-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-53-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-54-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-55-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-59-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-62-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-74-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-66-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-81-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-90-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-87-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-85-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-84-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-75-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-82-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-80-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-79-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-71-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-76-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-67-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-70-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-64-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-63-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-65-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-61-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-57-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-92-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-100-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-91-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-89-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-102-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-98-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-94-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral2/memory/2220-103-0x0000000000400000-0x0000000000848000-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 4 IoCs
flow ioc 742 drive.google.com 744 drive.google.com 863 discord.com 864 discord.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2796 set thread context of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 9256 2220 WerFault.exe 72 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 2220 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72 PID 2796 wrote to memory of 2220 2796 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe 72
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:2796 -
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:2220 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 200243⤵
- Program crash
PID:9256
-
-
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 6.6MB
- SHA256 8d533180573bab67a6d787594aa5edd78865b78d45dcd95dfe20fb58502b1f3c
- MD5 8d0ccae3b2bdc2cd0aa0865164cd898b
- SHA1 c3dec31235b2289c7740f348a395e83a01d6cb64
- SHA512 6312999397275105c411f35f69180d27c3e24bed5fdf4d3bab931e28f718ebad6a7e4b150a41790632d5ab00f170f7caf277a2edfd4c8b1c6caaaea120329b6b
- SSDEEP 24576:36JElHPShxFG/JxVVqVA+NTcY7PzVnubBGmcdbGWDx9aDF6v1KMSFq9EXG+wvbmz:Hx6o9Qs
- MD5 SHA1 SHA512 SSDEEP