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Analysis
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max time kernel
73s -
max time network
137s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
30/01/2023, 18:39
Static task
static1
General
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Target
fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe
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Size
299KB
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MD5
cacd37281c5470cfc13e6db90942d371
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SHA1
af9e1477a51858376bd113f8247b4f6ff1b94445
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SHA256
fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c
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SHA512
cfe21519f4c55583c3c68592812dbfa1170279de5e20b3da6d49f66957e373288650bd8c1a6afcd6d70255356674579b40c1b75a7c154fcc705cc89056ff8d67
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SSDEEP
6144:okJLJcABUxIoJs9UdWBqm67GeYql4BNMeGNPpJ81rIg5O:oWOABUxIoJs6wzHeYql4wecPI1sF
Malware Config
Extracted
vidar
2.3
19
https://t.me/mantarlars
https://steamcommunity.com/profiles/76561199474840123
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profile_id
19
Signatures
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Loads dropped DLL 2 IoCs
pid Process 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2492 set thread context of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3948 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 2492 wrote to memory of 4820 2492 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 66 PID 4820 wrote to memory of 4840 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 68 PID 4820 wrote to memory of 4840 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 68 PID 4820 wrote to memory of 4840 4820 fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe 68 PID 4840 wrote to memory of 3948 4840 cmd.exe 70 PID 4840 wrote to memory of 3948 4840 cmd.exe 70 PID 4840 wrote to memory of 3948 4840 cmd.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe"C:\Users\Admin\AppData\Local\Temp\fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Users\Admin\AppData\Local\Temp\fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe"C:\Users\Admin\AppData\Local\Temp\fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4820 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fe8dd23da7d898858d6a280cd58d4ca332f958a4f9562bf8f364dc4340f9c34c.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\timeout.exetimeout /t 64⤵
- Delays execution with timeout.exe
PID:3948
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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