Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31/10/2024, 03:31
Behavioral task
behavioral1
Sample
ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe
Resource
win10v2004-20241007-en
General
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Target
ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe
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Size
135KB
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MD5
0afa036c60c0bcde9153256020209e4d
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SHA1
0ccaa8cc2a4f12122ae77a41e428266dc2b22910
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SHA256
ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf
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SHA512
48c0f19a07de6f21b8572160a91a567936f994cb6b699c4555c3e730448587d8f6cd39cf9edc2ceed25304e5d763d30c1710941900a076facbfd7878ae44f261
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SSDEEP
1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOb:YfU/WF6QMauSuiWNi9eNOl0007NZIOb
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2884 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 1080 wuauclt.exe -
Loads dropped DLL 1 IoCs
pid Process 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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resource yara_rule behavioral1/memory/2604-0-0x0000000000C70000-0x0000000000C98000-memory.dmp upx behavioral1/files/0x000700000001938e-5.dat upx behavioral1/memory/1080-7-0x0000000000C30000-0x0000000000C58000-memory.dmp upx behavioral1/memory/2604-8-0x0000000000C70000-0x0000000000C98000-memory.dmp upx behavioral1/memory/2604-10-0x0000000000C70000-0x0000000000C98000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wuauclt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2604 wrote to memory of 1080 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 30 PID 2604 wrote to memory of 1080 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 30 PID 2604 wrote to memory of 1080 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 30 PID 2604 wrote to memory of 1080 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 30 PID 2604 wrote to memory of 2884 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 32 PID 2604 wrote to memory of 2884 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 32 PID 2604 wrote to memory of 2884 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 32 PID 2604 wrote to memory of 2884 2604 ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe"C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\ProgramData\Update\wuauclt.exe"C:\ProgramData\Update\wuauclt.exe" /run2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1080
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C:\windows\SysWOW64\cmd.exe"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe" >> NUL2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
135KB
MD5a8b494d93b31fa0abdd6ba0bffafcf6d
SHA1c1147384ff61ea75aaba1a892dc81562f60211ef
SHA25634f32bfe94c7648d5e30ef9ca2811584514330b7ada1b5c0899a6734f443c417
SHA512f15a14aa8f0f2b9dfc21ce08dfeda9b6b8249057f88569a51fe7b63ac720bbd0bc4e89101ed2d5fba1a3b1ad9f41bd189dbc33281b8d1baa1d3fc333c3e76c8c