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 16:26
Static task
static1
Behavioral task
behavioral1
Sample
7b4a2a3b79f2550149cda6141c9fcbba.exe
Resource
win7-20230220-en
General
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Target
7b4a2a3b79f2550149cda6141c9fcbba.exe
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Size
296KB
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MD5
7b4a2a3b79f2550149cda6141c9fcbba
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SHA1
ce4641a31e538ea05a53574de2c12d5ab2cf580d
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SHA256
61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd
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SHA512
9bc54e51bc6ac30b257ed0ca8820e12adb7abe3c88c958990bb702bbbb2694690e67757af3546e6f0c358bbf5784fc45b6a3f149aa2f3d1b7a6119aeaeefbaf3
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SSDEEP
6144:GcwSLJmySBx5DhTkxjgN1pOnaloCtDnu:jwSFmykPFgxjgNIqnu
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 7b4a2a3b79f2550149cda6141c9fcbba.exe -
Executes dropped EXE 2 IoCs
pid Process 3920 HJJEGIEHIJ.exe 1044 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 4832 7b4a2a3b79f2550149cda6141c9fcbba.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" HJJEGIEHIJ.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 3184 4832 WerFault.exe 83 -
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 7b4a2a3b79f2550149cda6141c9fcbba.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7b4a2a3b79f2550149cda6141c9fcbba.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2876 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 46 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4832 wrote to memory of 760 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 84 PID 4832 wrote to memory of 760 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 84 PID 4832 wrote to memory of 760 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 84 PID 4832 wrote to memory of 2340 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 86 PID 4832 wrote to memory of 2340 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 86 PID 4832 wrote to memory of 2340 4832 7b4a2a3b79f2550149cda6141c9fcbba.exe 86 PID 2340 wrote to memory of 2876 2340 cmd.exe 89 PID 2340 wrote to memory of 2876 2340 cmd.exe 89 PID 2340 wrote to memory of 2876 2340 cmd.exe 89 PID 760 wrote to memory of 3920 760 cmd.exe 90 PID 760 wrote to memory of 3920 760 cmd.exe 90 PID 760 wrote to memory of 3920 760 cmd.exe 90 PID 3920 wrote to memory of 1044 3920 HJJEGIEHIJ.exe 96 PID 3920 wrote to memory of 1044 3920 HJJEGIEHIJ.exe 96 PID 3920 wrote to memory of 1044 3920 HJJEGIEHIJ.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\7b4a2a3b79f2550149cda6141c9fcbba.exe"C:\Users\Admin\AppData\Local\Temp\7b4a2a3b79f2550149cda6141c9fcbba.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HJJEGIEHIJ.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\AppData\Local\Temp\HJJEGIEHIJ.exe"C:\Users\Admin\AppData\Local\Temp\HJJEGIEHIJ.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:1044
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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\7b4a2a3b79f2550149cda6141c9fcbba.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:2876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 23522⤵
- Program crash
PID:3184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4832 -ip 48321⤵PID:628
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
726.8MB
MD536f86f463509234e5fbfc3e08553d1d4
SHA122d883e294a7428781b82627cd4ef04ea26ea47c
SHA25624d7f1740905e78bc6a2715961e93156bd7f9bf92ae16bc3679dae7f6cb313f3
SHA5120177cc2484c1f35d70298ff839bdea3f70cec0c19081bd0fd8366fe35d6543c3307f96788fa6fece13af760a30cd79122fab3c06bf8a10583fdc68954eb322c2
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Filesize
726.8MB
MD536f86f463509234e5fbfc3e08553d1d4
SHA122d883e294a7428781b82627cd4ef04ea26ea47c
SHA25624d7f1740905e78bc6a2715961e93156bd7f9bf92ae16bc3679dae7f6cb313f3
SHA5120177cc2484c1f35d70298ff839bdea3f70cec0c19081bd0fd8366fe35d6543c3307f96788fa6fece13af760a30cd79122fab3c06bf8a10583fdc68954eb322c2
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Filesize
726.8MB
MD536f86f463509234e5fbfc3e08553d1d4
SHA122d883e294a7428781b82627cd4ef04ea26ea47c
SHA25624d7f1740905e78bc6a2715961e93156bd7f9bf92ae16bc3679dae7f6cb313f3
SHA5120177cc2484c1f35d70298ff839bdea3f70cec0c19081bd0fd8366fe35d6543c3307f96788fa6fece13af760a30cd79122fab3c06bf8a10583fdc68954eb322c2