Analysis
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max time kernel
147s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 09:11
Static task
static1
Behavioral task
behavioral1
Sample
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
Resource
win10v2004-20220812-en
General
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Target
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
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Size
1.4MB
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MD5
1cdc749e0bd40c2a88764c9fb48ff139
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SHA1
bb8acd2344835f268f03feb61c3ea29f450b62de
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SHA256
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3
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SHA512
a60f108da6f58011f7d834b642c2693bab0e883cc62b333f503be8da42f185adff17f675bcaca244c0a73d4a59f85c09fa1e9e2a82090270865f28a20a090c15
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SSDEEP
24576:NYiferyv9u48tTMDjPL+3wk4qr8IAqbb66OvlsAgC:7foM9u4cyjCbPIfTlAC
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4068-135-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/4068-136-0x0000000000400000-0x000000000063E000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe" e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exepid process 4068 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe -
Processes:
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73a6c7ca149c67de15698932988b325da4d6977aa88b8a1cc4f7070bbf8933380df1dda2013b947c96aba7e6e18634331cb4d0b85ac56b5ee304b0f3786b0f28d4fa6354b94fbc0d3c45e41098394158df677fe54e3a04660cc89d4ec630c4151c1abc e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DOTmTX8B3U8PIh0o/G9iZnaK/F44XPMWf1aYYDdoy+If33TH2YKbO4Dr1tIym4VPcQ==" e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exee4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exepid process 2288 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe 4068 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exedescription pid process target process PID 2288 wrote to memory of 4068 2288 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe PID 2288 wrote to memory of 4068 2288 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe PID 2288 wrote to memory of 4068 2288 e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"C:\Users\Admin\AppData\Local\Temp\e4b62f79b3cfd388a0bb950e68d88333099b574797e6db386400f566db8bc7c3.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2288-132-0x0000000000400000-0x000000000063E000-memory.dmpFilesize
2.2MB
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memory/4068-133-0x0000000000000000-mapping.dmp
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memory/4068-134-0x0000000000400000-0x000000000063E000-memory.dmpFilesize
2.2MB
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memory/4068-135-0x0000000000400000-0x000000000063E000-memory.dmpFilesize
2.2MB
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memory/4068-136-0x0000000000400000-0x000000000063E000-memory.dmpFilesize
2.2MB