Analysis
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max time kernel
124s -
max time network
63s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
18-05-2021 12:30
Static task
static1
Behavioral task
behavioral1
Sample
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe
Resource
win10v20210408
General
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Target
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe
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Size
266KB
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MD5
dccb7a4252d3574f0d90073fd1a8e1f2
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SHA1
2219e786ecf512e00d3b10a824797983aff2f438
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SHA256
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91
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SHA512
c41320ed8d087e7f564152ac49a7c8a07b78f9cd4815b5e1f55995b4e482a8a0b21986e5f0541276146fbc872dd5aebb482f3c100d8e82d9d274ce914343b4d8
Malware Config
Signatures
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GandCrab Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1612-61-0x00000000002E0000-0x00000000002F7000-memory.dmp family_gandcrab -
Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\xtqnvqoxugw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zzxqwm.exe\"" ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exedescription ioc process File opened (read-only) \??\I: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\N: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\V: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\H: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\Q: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\S: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\W: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\K: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\L: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\M: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\P: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\B: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\F: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\G: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\J: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\T: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\U: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\X: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\Z: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\Y: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\A: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\E: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\O: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe File opened (read-only) \??\R: ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1888 1612 WerFault.exe ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exeWerFault.exepid process 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe 1888 WerFault.exe 1888 WerFault.exe 1888 WerFault.exe 1888 WerFault.exe 1888 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1888 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1888 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exedescription pid process target process PID 1612 wrote to memory of 1888 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe WerFault.exe PID 1612 wrote to memory of 1888 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe WerFault.exe PID 1612 wrote to memory of 1888 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe WerFault.exe PID 1612 wrote to memory of 1888 1612 ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe"C:\Users\Admin\AppData\Local\Temp\ed1ab219e8e440e50881edead7b8b9fbd109c7840be21b8e98e1df5b9d761a91.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 7002⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1612-59-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/1612-61-0x00000000002E0000-0x00000000002F7000-memory.dmpFilesize
92KB
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memory/1612-60-0x0000000000400000-0x000000000055B000-memory.dmpFilesize
1.4MB
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memory/1888-62-0x0000000000000000-mapping.dmp
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memory/1888-63-0x0000000000440000-0x0000000000441000-memory.dmpFilesize
4KB