Analysis
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max time kernel
43s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-07-2022 17:21
Static task
static1
Behavioral task
behavioral1
Sample
cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe
Resource
win10v2004-20220414-en
General
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Target
cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe
-
Size
3.6MB
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MD5
28e0b16bf3de480ee6c45ba870963a37
-
SHA1
7bd03305d9dcbb7aa32d20aca4b734dd46de2189
-
SHA256
cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784
-
SHA512
0ada3c7367b5d0da0cf129055c6026805d6f674f36afd741791781ac11976430dc70f89ffec0b79a21bcb4ba75abcf114faf60e1cf159a674a95dc02d4c91a6a
Malware Config
Extracted
webmonitor
adriannarodriques99.wm01.to:443
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config_key
2mipSao9q2jxZoyTEiiLfTe14laxsarw
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private_key
3afif4V5a
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url_path
/recv5.php
Signatures
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RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
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WebMonitor payload 1 IoCs
resource yara_rule behavioral1/memory/1504-57-0x0000000000400000-0x0000000000DB7000-memory.dmp family_webmonitor -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe -
resource yara_rule behavioral1/memory/1504-55-0x0000000000400000-0x0000000000DB7000-memory.dmp themida behavioral1/memory/1504-56-0x0000000077A10000-0x0000000077B90000-memory.dmp themida behavioral1/memory/1504-57-0x0000000000400000-0x0000000000DB7000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1504 cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe"C:\Users\Admin\AppData\Local\Temp\cfcd72068fc5249a78ffbf4e8fe8cd912aa2f0042460e2bf9e468b8046e6f784.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1504