Analysis
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max time kernel
147s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
17-03-2023 15:28
Static task
static1
Behavioral task
behavioral1
Sample
134d8a47c6f8fa3d99b60ce9e4faff2d.exe
Resource
win7-20230220-en
General
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Target
134d8a47c6f8fa3d99b60ce9e4faff2d.exe
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Size
296KB
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MD5
134d8a47c6f8fa3d99b60ce9e4faff2d
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SHA1
9d102bfa660683be4d56e86eaca1050ceb2a42c0
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SHA256
34bb4acf55ee9866edad0f31075c09276dbb303b004b63a1ce00b3504e7c9bc3
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SHA512
01d61b5e070502ccd55ad6f1b8f61771555fc288f888bc3bf4acf5db42cb3213bae4587a9dd19ae0364680492f8ccf826f6009dd969ec477157cbb027f4226e2
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SSDEEP
6144:Gg1LJLpZH0ua7uqaLNeaqPYMDQ4BTfOieY:Gg19LpZVqeNVS3DQL
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Downloads MZ/PE file
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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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 134d8a47c6f8fa3d99b60ce9e4faff2d.exe -
Executes dropped EXE 2 IoCs
pid Process 2304 AKECBFBAEB.exe 4948 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" AKECBFBAEB.exe -
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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Program crash 2 IoCs
pid pid_target Process procid_target 1356 3920 WerFault.exe 84 1740 2304 WerFault.exe 91 -
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 134d8a47c6f8fa3d99b60ce9e4faff2d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 134d8a47c6f8fa3d99b60ce9e4faff2d.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2240 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 47 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3920 wrote to memory of 4452 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 85 PID 3920 wrote to memory of 4452 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 85 PID 3920 wrote to memory of 4452 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 85 PID 3920 wrote to memory of 4880 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 87 PID 3920 wrote to memory of 4880 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 87 PID 3920 wrote to memory of 4880 3920 134d8a47c6f8fa3d99b60ce9e4faff2d.exe 87 PID 4880 wrote to memory of 2240 4880 cmd.exe 90 PID 4880 wrote to memory of 2240 4880 cmd.exe 90 PID 4880 wrote to memory of 2240 4880 cmd.exe 90 PID 4452 wrote to memory of 2304 4452 cmd.exe 91 PID 4452 wrote to memory of 2304 4452 cmd.exe 91 PID 4452 wrote to memory of 2304 4452 cmd.exe 91 PID 2304 wrote to memory of 4948 2304 AKECBFBAEB.exe 99 PID 2304 wrote to memory of 4948 2304 AKECBFBAEB.exe 99 PID 2304 wrote to memory of 4948 2304 AKECBFBAEB.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\134d8a47c6f8fa3d99b60ce9e4faff2d.exe"C:\Users\Admin\AppData\Local\Temp\134d8a47c6f8fa3d99b60ce9e4faff2d.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKECBFBAEB.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Users\Admin\AppData\Local\Temp\AKECBFBAEB.exe"C:\Users\Admin\AppData\Local\Temp\AKECBFBAEB.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 5124⤵
- Program crash
PID:1740
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\134d8a47c6f8fa3d99b60ce9e4faff2d.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:2240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 22802⤵
- Program crash
PID:1356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3920 -ip 39201⤵PID:1868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 2304 -ip 23041⤵PID:1988
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
701.7MB
MD5e2f4f62d64efdfe3ccb3eafe7d3fc542
SHA161272af1b1725ea3bca02e503fe3dc7fa242770a
SHA25687ebe6644a7d32d5ddfce09d5fb92fedad551ec175fb97078a23b6087481fa93
SHA51212371648cf449f4a9c60bf546ff3856662d856f34149a195ed40660738083932db5b530a26b00b9661b61d1542d6aead9af11ce67005e5a5079505dd558f496f
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Filesize
679.3MB
MD592e792fd311ab076cfc1f9a75f79e55b
SHA19cf365de4134185aa51a67f17f199d0ef0cf9e2d
SHA256386a2e5b19c5333d52c3a2bfca88cb96fef2c7de0ffb48ffa8dab9b36e000ee8
SHA51271a5fab6c6b3d7762cbf0ba99cf1c595b4958e92f9d3d1cca73f9f4be5646b88639a8aa911a89f95481e270af46be01120c0c305cbe9f71b6745298b6431068a
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Filesize
632.6MB
MD5579b1d56ebb94a0cafc66ab88fa6d0a9
SHA1b7c99fed877d8452fd1ee7b80e5d34bb3839bf83
SHA25647c1c62aa6bd3111795d781d7649fd10f2ab3a732ff72d1acee6b8d3d6758f54
SHA512ab9d8d7519fdf29b6af49816ce6a5aab852d19b6e496d7b4cf7708f8782694b0d652cb9666027a5c9cbf6c2d46f0db41344a59a697f54f4463e64d9e7790be03