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Analysis
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max time kernel
141s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
submitted
12/09/2022, 03:00
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
4.9MB
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MD5
57f2f75c17ab7bbc606aed7ad9462f2b
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SHA1
e284891b905cd5fb4da41c5fd7d1d25c60b0436d
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SHA256
048775019adc05c1978f5be85341eb95fb8c9c15611ee13a1fbbffaef3f4f1dc
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SHA512
d8de0b33e63f4c09fabe0c7631005ee142426b9f06f3a5830a40682c41365487cecfc5478a3aa1ef67305eda8ed8d0ff691d0665f0f17d9c0430ae42dd6a8859
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SSDEEP
98304:8Tmz2NL20p5QWLTc4owiSAyKkcTz4Gj/8uFIh5gR72SPn:JmfPQWLTDrAyKRf4k/8iIhql2G
Malware Config
Extracted
vidar
54.3
1656
https://t.me/karacakahve
https://ieji.de/@tiagoa96
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profile_id
1656
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 2 IoCs
pid Process 3052 file.exe 3052 file.exe -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3324 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 4632 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3052 file.exe 3052 file.exe 3052 file.exe 3052 file.exe 3052 file.exe 3052 file.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4632 taskkill.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3052 wrote to memory of 4664 3052 file.exe 86 PID 3052 wrote to memory of 4664 3052 file.exe 86 PID 3052 wrote to memory of 4664 3052 file.exe 86 PID 4664 wrote to memory of 4632 4664 cmd.exe 88 PID 4664 wrote to memory of 4632 4664 cmd.exe 88 PID 4664 wrote to memory of 4632 4664 cmd.exe 88 PID 4664 wrote to memory of 3324 4664 cmd.exe 89 PID 4664 wrote to memory of 3324 4664 cmd.exe 89 PID 4664 wrote to memory of 3324 4664 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im file.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del C:\PrograData\*.dll & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im file.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4632
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66