Analysis
- max time kernel
136s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
22/04/2024, 01:57
Behavioral task
behavioral1
Sample
ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe
Resource
win7-20240221-en
7 signatures
150 seconds
General
- Target ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe
- Size 2.4MB
- Sample240422-cdcwpaec81
- SHA256 ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f
- MD5 4a36fa7c0ccbc6842c541a6439ab545a
- SHA1 9257009dd59ac4db2518293bcd46be058d937284
- SHA512 13ef8cf5b3add3445e71f1f1d6047eb571a6ccc439e5bbe63b9a29299ca01030ae8cd1b8b4cbab2cda05936e22e894097744f5e8c77b8149b5c975a707506a77
- SSDEEP 49152:p2eDXH3Qb21TmkaSL8sUEFr+mZgl+a2kx+aan/RQTUJN:fD3l1CkaQ8sUEFCmZPa+aIRQW
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects executables packed with Themida 9 IoCs
resource yara_rule behavioral2/memory/3152-0-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-10-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-11-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-12-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-13-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-14-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-15-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-16-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida behavioral2/memory/3152-17-0x00000000002C0000-0x00000000009B5000-memory.dmp INDICATOR_EXE_Packed_Themida - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.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 ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe -
resource yara_rule behavioral2/memory/3152-0-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-10-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-11-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-12-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-13-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-14-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-15-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-16-0x00000000002C0000-0x00000000009B5000-memory.dmp themida behavioral2/memory/3152-17-0x00000000002C0000-0x00000000009B5000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3152 ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1120 3152 WerFault.exe 91 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3152 ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe 3152 ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.exe"C:\Users\Admin\AppData\Local\Temp\ca9b2380df90ac17d8c042db4ab442ffad68cc52cd2e557d855f7d571469198f.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
- Suspicious behavior: EnumeratesProcesses
PID:3152 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 5482⤵
- Program crash
PID:1120
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3152 -ip 31521⤵PID:2768
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1260 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵PID:1860