Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19/07/2024, 20:49
Static task
static1
Behavioral task
behavioral1
Sample
99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe
Resource
win10v2004-20240709-en
General
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Target
99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe
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Size
5.3MB
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MD5
496d60dac38d7cc0df82e6d94e2ba7c5
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SHA1
1ecbaba1caa209afaf3749d30a7f13bfa04d37e0
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SHA256
99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81
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SHA512
69fb8f41da9454d8cf989e4823c4b41d84a0eaa9289b8baf744e494f7b8fac5c2279ad08decae7c75cc8c466c0b5369251142697ec939adb5efb1f275853b149
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SSDEEP
98304:oeV2RdpF0BIsndGaX6tJJQv2FKA75OpVclc02vDRZTEo:1V2fpF0imo3u0jc02vVZoo
Malware Config
Signatures
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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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation nemu-downloader.exe -
Executes dropped EXE 4 IoCs
pid Process 2628 nemu-downloader.exe 2636 ColaBoxChecker.exe 960 HyperVChecker.exe 840 HyperVChecker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2628 nemu-downloader.exe 2628 nemu-downloader.exe 2628 nemu-downloader.exe 2628 nemu-downloader.exe -
Suspicious behavior: LoadsDriver 4 IoCs
pid Process 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4124 wrote to memory of 2628 4124 99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe 87 PID 4124 wrote to memory of 2628 4124 99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe 87 PID 4124 wrote to memory of 2628 4124 99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe 87 PID 2628 wrote to memory of 2636 2628 nemu-downloader.exe 98 PID 2628 wrote to memory of 2636 2628 nemu-downloader.exe 98 PID 2628 wrote to memory of 2636 2628 nemu-downloader.exe 98 PID 2628 wrote to memory of 960 2628 nemu-downloader.exe 101 PID 2628 wrote to memory of 960 2628 nemu-downloader.exe 101 PID 2628 wrote to memory of 840 2628 nemu-downloader.exe 103 PID 2628 wrote to memory of 840 2628 nemu-downloader.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe"C:\Users\Admin\AppData\Local\Temp\99bc60d0975ce5dc3ef53a6db87c55b512cdf9d3b937350ecb4dd88287b64c81.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Users\Admin\AppData\Local\Temp\7z79EA201C\nemu-downloader.exeC:\Users\Admin\AppData\Local\Temp\7z79EA201C\nemu-downloader.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\7z79EA201C\ColaBoxChecker.exe"C:\Users\Admin\AppData\Local\Temp\7z79EA201C\ColaBoxChecker.exe" checker /baseboard3⤵
- Executes dropped EXE
PID:2636
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C:\Users\Admin\AppData\Local\Temp\7z79EA201C\HyperVChecker.exe"C:\Users\Admin\AppData\Local\Temp\7z79EA201C\HyperVChecker.exe"3⤵
- Executes dropped EXE
PID:960
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C:\Users\Admin\AppData\Local\Temp\7z79EA201C\HyperVChecker.exe"C:\Users\Admin\AppData\Local\Temp\7z79EA201C\HyperVChecker.exe"3⤵
- Executes dropped EXE
PID:840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.0MB
MD5839708e3f96cf055436fa08d6205263c
SHA1a4579f8cb6b80fe3fd50099794f63eb51be3292f
SHA2561373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752
SHA512ece67e031e06a0442d935e7d81d0eed57ae92b348b5d104423577478ce226e4a4bde834c54e31d33bfe6f574fb7798ba96886d9e8edb738edee6e7c9c43054cd
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Filesize
117KB
MD5dbd84c6083e4badf4741d95ba3c9b5f8
SHA14a555adf8e0459bfd1145d9bd8d91b3fff94aad0
SHA2569ff467bc5a1c377102d25da9fa9c24dcc4375f456510f71584f0714fdfb2af39
SHA512fb5fe74f64254609e07d6642acf904562bb905cd7c14c6f85ba31bcdbaf06686c0586609ec4f5d2f8f55ff90334dcbb774a3a6e78df74bf1b1d0cd03dec21870
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Filesize
115B
MD5286d402fd7041be449af0b5cc1c3a5f1
SHA1ca1961a3bcd0ae0697c1d303f824862d7998ca5a
SHA256f3e88232c249794599fd757ee05ab72294d5bf23baba0520ee49e0c028ae214e
SHA512cdfd032ede5f88df1d3e648f4448c28153067b75dec00c1734b72768e8bd32a86bc6138ddf2d41b82603020dcae9fdb991ee55bd2aeb4a969e8f7b7fc035d2ca
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Filesize
353B
MD5d07d0cbdc62effb1028505d0a4c8fa0f
SHA17013e566476d899e883109d5f52522d95e97ccb4
SHA2562787e6215c962e58a1c80fd01a78e63437c7c6995d6cdd7f1e3a89393793552d
SHA512f2907720de4a45adde7b9a9d02ed900d52f6d56c6c22c84c4b47782d1c621d7cc0ea1d936d7820255af3048ec5baa4f363b19e711f53c3dc8ff01f5f9ac29dbc
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Filesize
3.2MB
MD5c972d67cc128640dadceb178940080ce
SHA15a4a8a5eb7cd498397dfea938cf82372f27443f1
SHA25617fadeae847897edce01db445632899da7314e05244327e4d88d828c8275be80
SHA512725ecd661fb17681b2d26bac5f23de6d4503ccd004e8359ba6f772644e2b6b21f3ca4c9c2d7be8ae30881deabaf34419d2a5f9a15acdc447c89db9a9e81c71fe
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Filesize
508KB
MD5e7230d7304337bb3184cdd3fa3da051a
SHA159f0de7785874d02071a855df81f9ba6e6e8f0ec
SHA256c3a8d7a715099ea60a3e6142f880e0be6737ed920f90bea391c75cb7625e513d
SHA5127273a59f0486431003190a8d2d0dfc6799a4f28666ba144219afa5956742d15c1ba277a69d16e18891bfddffe562527714e2240fea8ce3498822d96b57672abd