Analysis
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max time kernel
135s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-08-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe
Resource
win7-20240704-en
General
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Target
c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe
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Size
453KB
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MD5
1acc4c16687d848711a9980e6ae72e50
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SHA1
eadc3f132e62bc29e7db686a440e411384de3b58
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SHA256
c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c
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SHA512
9a744209cfd275a1e3dd8e11f1ec31335f7c4f789e4156a2e4c166b83741a6b7811a09cb7678f1bff28b5291f0dc7a254f70efecb3131ff954521c4a75408408
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SSDEEP
12288:pOxPkPjQeqQ1Y53KR/WX+t4K5dKKVaGiL:nEeqQq3KZUMaGs
Malware Config
Extracted
arkei
Default
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation Builded.exe -
Executes dropped EXE 1 IoCs
pid Process 944 Builded.exe -
Loads dropped DLL 3 IoCs
pid Process 944 Builded.exe 944 Builded.exe 944 Builded.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).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Builded.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe -
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 Builded.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Builded.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3040 timeout.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 912 wrote to memory of 944 912 c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe 84 PID 912 wrote to memory of 944 912 c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe 84 PID 912 wrote to memory of 944 912 c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe 84 PID 944 wrote to memory of 3852 944 Builded.exe 97 PID 944 wrote to memory of 3852 944 Builded.exe 97 PID 944 wrote to memory of 3852 944 Builded.exe 97 PID 3852 wrote to memory of 3040 3852 cmd.exe 99 PID 3852 wrote to memory of 3040 3852 cmd.exe 99 PID 3852 wrote to memory of 3040 3852 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe"C:\Users\Admin\AppData\Local\Temp\c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Builded.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Builded.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Builded.exe" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3040
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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Filesize
630KB
MD5e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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Filesize
107KB
MD552e9f55d274e2ee01959fe2d8297a927
SHA1b16e5df39a96c81edb1e98239031b75834b07a87
SHA256d180729ea9f2346e9abd7d96fc1d0ae39fa012d9660f50f79c71b9f828b88dc0
SHA5122e51d8c331690ca97a05bb89490d179a0c50dae1b1e0def82aa7f023376b8ecc844a85b74e54be55695d05ee7623bb2bd064df836e5307d3687de1e6fda8cc1c