Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 11:10
Static task
static1
General
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Target
67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe
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Size
291KB
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MD5
108d861a7ee32868ce3a6995674f93b4
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SHA1
f9be1d15b6e37764f393371002be9650b6beb2ad
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SHA256
67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb
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SHA512
b5d34702e1af1baaf616d13a00209352adbeacd6a0e785aaf5fdc1bcf839c9c85f6e8a15d7e2060eccd409d29f40ae025eefa35795735223a70242cc8d23f393
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SSDEEP
3072:q4anQLQ2+xWnvF3ky14Cwp9JfzMeeM2sxqjNdO+5o55ZTFtRMhC:ynQLQxK+xZp9hzMBAntFTFMhC
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe -
Executes dropped EXE 2 IoCs
pid Process 4260 BAKJKFHCAE.exe 4516 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" BAKJKFHCAE.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 1 IoCs
pid pid_target Process procid_target 2528 1048 WerFault.exe 84 -
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 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3868 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 40 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1048 wrote to memory of 3608 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 88 PID 1048 wrote to memory of 3608 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 88 PID 1048 wrote to memory of 3608 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 88 PID 1048 wrote to memory of 4660 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 90 PID 1048 wrote to memory of 4660 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 90 PID 1048 wrote to memory of 4660 1048 67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe 90 PID 4660 wrote to memory of 3868 4660 cmd.exe 94 PID 4660 wrote to memory of 3868 4660 cmd.exe 94 PID 4660 wrote to memory of 3868 4660 cmd.exe 94 PID 3608 wrote to memory of 4260 3608 cmd.exe 95 PID 3608 wrote to memory of 4260 3608 cmd.exe 95 PID 3608 wrote to memory of 4260 3608 cmd.exe 95 PID 4260 wrote to memory of 4516 4260 BAKJKFHCAE.exe 100 PID 4260 wrote to memory of 4516 4260 BAKJKFHCAE.exe 100 PID 4260 wrote to memory of 4516 4260 BAKJKFHCAE.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe"C:\Users\Admin\AppData\Local\Temp\67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:4516
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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\67bcfd8b4e4705f88ddd43f9ee4a0ee7efb252e6a74fadc4b1dbe132ce33addb.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:3868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 22282⤵
- Program crash
PID:2528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1048 -ip 10481⤵PID:4004
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
1.9MB
MD5d8aeb228901b4dd3f476ea6b4028193e
SHA1b164fafa4c10ed2f159b85221dadb1fa711b4be5
SHA2563e08199217335ec183db9fd5eb80c628a4b80a8fa21af1cf0df85ed8ed872f16
SHA5127e021c9d3d49fed34692e16461a2094cdee1d13bb66c083c7db51a6988b53a1d56cc6eacba2da1cf1b204c1dd95d979db5306ec78bae5cd73f15dcc7e4a4fa1f
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Filesize
1.9MB
MD5d8aeb228901b4dd3f476ea6b4028193e
SHA1b164fafa4c10ed2f159b85221dadb1fa711b4be5
SHA2563e08199217335ec183db9fd5eb80c628a4b80a8fa21af1cf0df85ed8ed872f16
SHA5127e021c9d3d49fed34692e16461a2094cdee1d13bb66c083c7db51a6988b53a1d56cc6eacba2da1cf1b204c1dd95d979db5306ec78bae5cd73f15dcc7e4a4fa1f
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Filesize
568.9MB
MD5f481f8fdd00e96adae2bb92f08dba898
SHA16191769fa86a4bdc347eda436be67f5b54e9669f
SHA256855a3b5c7ae7ab588454982286115f0f31927bcba989154b4afdca23579488a1
SHA512d88c8e60cf26684602bd70d527202749e719b1af1dc775a1259b9bb0eef3d3fb9f3b1cf17a1519aaeabe7af00fec46ceaa178518b4d2273643f153906644a4d2
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Filesize
475.8MB
MD5908a32580ea9e8d01bdbc15fc49c731d
SHA1d5c45a99d016054032c5f498925dc21d0bfb07d2
SHA2565f1e33d81ff7c7d45a2f0a6e07d0b946000fee94e36dfed2db6e97f5306255f2
SHA5124931241b220e5ca8ae70639b08c04afe6d49e986b2fec241364cbf1164238fcf59b04c83f5c4a9b65f00514efcb4bb5e03c28dabc5c90666e0f8363ab4ec3976
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Filesize
529.4MB
MD59aa1a8fcb71146892b8bf0d2873a5047
SHA174515d1912fa0b00a8e8499574b1cc80908ee246
SHA25637e266a2baafeaa93a5e9f6335ccc78736118f98eb9ac9e1e52ffbfaf22cde4c
SHA512c761c38524873c3cd3016931009897f06fd97fafa241f1a2e869ccc58d4ab0adef3702d13eeb16cff1a76a69e4f7864c638086942f87b7bd93e7913801413478