Analysis
- max time kernel
128s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
14/06/2024, 01:12
Behavioral task
behavioral1
Sample
8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe
Resource
win7-20231129-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe
Resource
win10v2004-20240508-en
5 signatures
150 seconds
General
- Target 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe
- Size 29KB
- Sample240614-bkyw3ashml
- SHA256 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9
- MD5 0eeec37e49150bae8083b249f40f3c82
- SHA1 02da6488c2477a696fb56637afb34443cfbedf00
- SHA512 7b4895a4b65156b4d2944b3a981d7f9a1de11eb8185175d39414269ed92e3a17e975cc12c8bec34adf90d81a89ce7178768299ba0c8320690d5da051626917cc
- SSDEEP 768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/7:AEwVs+0jNDY1qi/qD
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1796 services.exe -
resource yara_rule behavioral2/memory/4048-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00090000000233f8-4.dat upx behavioral2/memory/1796-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1796-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1796-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1796-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1796-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-30-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4048-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000800000002340b-65.dat upx behavioral2/memory/4048-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1796-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-77-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1796-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4048-82-0x0000000000500000-0x0000000000510200-memory.dmp upx - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe File opened for modification C:\Windows\java.exe 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe File created C:\Windows\java.exe 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4048 wrote to memory of 1796 4048 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe 81 PID 4048 wrote to memory of 1796 4048 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe 81 PID 4048 wrote to memory of 1796 4048 8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe"C:\Users\Admin\AppData\Local\Temp\8da2391776a0c2c2aaa0c0d2121c8165eb87cf5ab7a6e803d0bf8d98b2498df9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1796
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpD56.tmp
- Size 29KB
- SHA256 ed8d054f9b2ed014cff626f93644bbfbb81d9d9c3d80aa5c7525f5220bfa7b4b
- MD5 426aefbf81fa28235c1db2a5d16ed529
- SHA1 4c494464242bbc93653415586b0f622f56d73299
- SHA512 82a415af5b70634188b57d0ffe4b0f2605ca6201835438a493ced8d41d7adaac2abab253a9978402fb5c218022f19cf10270e8b5235e327b76aefc9a939dde9a
- SSDEEP 768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1y:AEwVs+0jNDY1qi/qty
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\zincite.log
- Size 352B
- SHA256 0937fc849ff57044f6dcee2c598397e1b4eb3897016b74d966a2aa17bcde5ef3
- MD5 128c3ec9449047f6c2725a98cd320d5d
- SHA1 e4c2165bcf664eae962a83774979242c707111c3
- SHA512 c88079901ba6ab932ff45291967bb0ffc031e2a94b5f6e4ff1f9f3ffb85199831ad27fa038ec9a91da71c216060437e58611c2617643b88cf13b8e32e25c6b54
- MD5 SHA1 SHA512
- Path C:\Windows\services.exe
- Size 8KB
- SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
- MD5 b0fe74719b1b647e2056641931907f4a
- SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
- SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
- SSDEEP 192:tZWNqWKIzebvOZnzCj6juhEJS3/Uf/tpfmG62X9f3:tZ6qWTYvczfahX/UHtF6e9f3
- MD5 SHA1 SHA512 SSDEEP