Analysis
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max time kernel
48s -
max time network
57s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17-03-2024 18:34
Static task
static1
Behavioral task
behavioral1
Sample
Installer.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Installer.exe
Resource
win10v2004-20240226-en
General
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Target
Installer.exe
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Size
7.7MB
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MD5
9f4f298bcf1d208bd3ce3907cfb28480
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SHA1
05c1cfde951306f8c6e9d484d3d88698c4419c62
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SHA256
bf7057293d871cac087daab42daf22c1737a1df6adc7b7963989658f3b65f4cc
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SHA512
4c763c3b6d4884f77083db5ccada59bc57803b3226294eff2ec3db8f2121ac01ee240b0e822cb090f5320ce40df545b477e323efabdbca31722731adc4b46806
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SSDEEP
98304:Rgl47z3Aldea5a/OhtJeq+4NK+dG7M0mWZsE6+YhU+dbkh4yiMP0Q:H/wld79ht+j1M0mWZsE6+YASy10Q
Malware Config
Extracted
blackguard
https://api.telegram.org/bot6540906397:AAG08fPgT-V7I17vtz49STaZEuwqXqKshuM/sendMessage?chat_id=5445185021
Signatures
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BlackGuard
Infostealer first seen in Late 2021.
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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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation Installer.exe -
Executes dropped EXE 1 IoCs
pid Process 2248 v2.exe -
Loads dropped DLL 5 IoCs
pid Process 2248 v2.exe 2248 v2.exe 2248 v2.exe 2248 v2.exe 2248 v2.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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 32 freegeoip.app 33 freegeoip.app 44 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 v2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier v2.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2248 v2.exe 2248 v2.exe 2248 v2.exe 2248 v2.exe 2248 v2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2248 v2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4420 wrote to memory of 2248 4420 Installer.exe 97 PID 4420 wrote to memory of 2248 4420 Installer.exe 97 PID 4420 wrote to memory of 2248 4420 Installer.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\Installer.exe"C:\Users\Admin\AppData\Local\Temp\Installer.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Users\Admin\AppData\Local\Temp\v2.exe"C:\Users\Admin\AppData\Local\Temp\v2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4004 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:81⤵PID:4144
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
571KB
MD5169b6d383b7c650ab3ae2129397a6cf3
SHA1fcaef7defb04301fd55fb1421bb15ef96d7040d6
SHA256b896083feb2bdedc1568b62805dbd354c55e57f2d2469a52aec6c98f4ec2dedf
SHA5127a7a7bdb508b8bf177249251c83b65a2ef4a5d8b29397cab130cb8444b23888678673a9a2e4b1c74cc095b358f923b9e7e5a91bfa8c240412d95765851f1dd87
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Filesize
1.3MB
MD50a1e95b0b1535203a1b8479dff2c03ff
SHA120c4b4406e8a3b1b35ca739ed59aa07ba867043d
SHA256788d748b4d35dfd091626529457d91e9ebc8225746211086b14fb4a25785a51e
SHA512854abcca8d807a98a9ad0ca5d2e55716c3ce26fae7ee4642796baf415c3cfad522b658963eafe504ecaed6c2ecdcdf332c9b01e43dfa342fcc5ca0fbedfe600e
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Filesize
410KB
MD5056d3fcaf3b1d32ff25f513621e2a372
SHA1851740bca46bab71d0b1d47e47f3eb8358cbee03
SHA25666b64362664030bff1596cda2ec5bd5df48cc7c8313c32f771db4aa30a3f86f9
SHA512ce47c581538f48a46d70279a62c702195beacbfafb48a5a862b3922625fe56f6887d1679c6d9366f946d3d2124cb31c2a3eacbbd14d601ea56e66575cdf46180
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Filesize
271KB
MD53f62213d184b639a0a62bcb1e65370a8
SHA1bbf50b3c683550684cdb345d348e98fbe2fcafe0
SHA256c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34
SHA5120cd40d714e6a6ebd60cc0c8b0e339905a5f1198a474a531b1794fb562f27053f118718cc68b9652fef3411906f9d8ad22d0253af256fa1922133e9907298e803
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Filesize
105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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Filesize
1KB
MD55f50831ee9bf59a09be6cf5ed8b0b0d3
SHA161a331966c40990604432851811609838e528392
SHA25648aeb25fcc0a70081d74dd81c8ca484f6ff84d24ae5e0601833d4de4086635a7
SHA5122dcc3afdfb587721fa57d4fa3054f3ca0da4d7d68c4c547be3c6f8355a6e18037c8f2643ba67eac99cb8c99b203356a1981d6d3b0fb3e3ffb60d443a92410203