Analysis
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max time kernel
303s -
max time network
308s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
16-04-2024 13:37
General
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Target
7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe
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Size
7.2MB
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MD5
318b2f34fe665928280456b1d22c0390
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SHA1
12b169796c8974eef2907b0e0f856896063484ad
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SHA256
7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d
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SHA512
2a1a67016f7c183b7821df4518e0ca45c74232ac2638fe9ee8aca7781d883bbfca8ee955aa66810ae202e56138585b69b7ab3a43cbf9a07a90ad0bf8e69430c3
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SSDEEP
6144:rGnJDaCOoSEmkWeILer9bqKuFkB20VzcgcLIa:caCOfVkWeAeMHFkVV6LIa
Malware Config
Signatures
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Detect Gurcu Stealer V3 payload 3 IoCs
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Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 7 IoCs
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Loads dropped DLL 8 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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 Microsoft Outlook profiles 1 TTPs 3 IoCs
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 7 IoCs
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Suspicious use of WriteProcessMemory 29 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe"C:\Users\Admin\AppData\Local\Temp\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe" &&START "" "C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\system32\schtasks.exeschtasks /create /tn "7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe"C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\6pd9qgil4r\tor\tor-real.exe"C:\Users\Admin\AppData\Local\6pd9qgil4r\tor\tor-real.exe" -f "C:\Users\Admin\AppData\Local\6pd9qgil4r\tor\torrc.txt"4⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650015⤵
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C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵
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C:\Windows\system32\findstr.exefindstr /R /C:"[ ]:[ ]"5⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650015⤵
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C:\Windows\system32\netsh.exenetsh wlan show networks mode=bssid5⤵
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C:\Windows\system32\findstr.exefindstr "SSID BSSID Signal"5⤵
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exeC:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exeC:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exeC:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exeC:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exeC:\Users\Admin\AppData\Local\WindowsSecurity\7b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5457ded6f20b28feb21b9bca73c498671
SHA1ea6190388589e118da000561d056bbecf8142f4c
SHA256c5e0562a087a92f624baa0dc01f1dbc0bf906bc9e1355cb9adbe8cb5faa7f23f
SHA512fb46c803c939c8f846a1728b1e4f95843700bbe36c31b63c78744d3ef2512ef7ee28778e1c40b0443821c58517e34d2f71ae6dd69f697f81c81196f93f27aa9e
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Filesize
2.6MB
MD519a1ff4739901b80c88834cf7d4925eb
SHA175dec3747387d1a54035c9ae1ce7bc7488bec125
SHA2561f23e720888ae52453dfe0df103aa9fd98e6e77f9ceba6c8798ba64339b26e61
SHA512e3e0302c24bc98b07d640492a691a6d6d31a8345cf443a00d086eb91ae8a8bc26e90b3daf38288d6e2da0098097c60fb05e2e94971a4ba1c45654b357d060ac1
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Filesize
10.9MB
MD5054fa203147bffa4a487382a9b9fb0f1
SHA1979f6652d8c78b65b61035a8952e7bf320f8374e
SHA2561b17c84fd773eb53c80f0e93b1726bffe0a21eeae6805b1f6702345388594f42
SHA512eb903a76ba7c492cb4fd6be415632b6230a41ed1292af82a0c1dc5ab08b33ec53176d0268b228b6247b054ce93fcf6804d7b78205beee9957f269921b07f42b6
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Filesize
64B
MD556f01a11f6261f47f037c8c484783990
SHA134e679113338f5d1fbe504e9692a33a0538a179d
SHA25618996a270f65a673789ab2bf8868b8d98c159ed5d57ba631f24538185258c4a9
SHA5125ddb8ef9ab7b6484e04606809263397486316e7fc5c4141033f564d92d6b2167f8d7575db87ca58779e11a9a1e524c1e3eea076f003d93b568d61b9c2abfe4be
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Filesize
3.5MB
MD56d48d76a4d1c9b0ff49680349c4d28ae
SHA11bb3666c16e11eff8f9c3213b20629f02d6a66cb
SHA2563f08728c7a67e4998fbdc7a7cb556d8158efdcdaf0acf75b7789dccace55662d
SHA51209a4fd7b37cf52f6a0c3bb0a7517e2d2439f4af8e03130aed3296d7448585ea5e3c0892e1e1202f658ef2d083ce13c436779e202c39620a70a17b026705c65c9
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Filesize
1.1MB
MD5a3bf8e33948d94d490d4613441685eee
SHA175ed7f6e2855a497f45b15270c3ad4aed6ad02e2
SHA25691c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585
SHA512c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28
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Filesize
1.0MB
MD5bd40ff3d0ce8d338a1fe4501cd8e9a09
SHA13aae8c33bf0ec9adf5fbf8a361445969de409b49
SHA256ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c
SHA512404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1
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Filesize
1.1MB
MD5945d225539becc01fbca32e9ff6464f0
SHA1a614eb470defeab01317a73380f44db669100406
SHA256c697434857a039bf27238c105be0487a0c6c611dd36cb1587c3c6b3bf582718a
SHA512409f8f1e6d683a3cbe7954bce37013316dee086cdbd7ecda88acb5d94031cff6166a93b641875116327151823cce747bcf254c0185e0770e2b74b7c5e067bc4a
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Filesize
246KB
MD5b77328da7cead5f4623748a70727860d
SHA113b33722c55cca14025b90060e3227db57bf5327
SHA25646541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7
SHA5122f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2
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Filesize
512KB
MD519d7cc4377f3c09d97c6da06fbabc7dc
SHA13a3ba8f397fb95ed5df22896b2c53a326662fcc9
SHA256228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d
SHA51223711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a
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Filesize
4.0MB
MD507244a2c002ffdf1986b454429eace0b
SHA1d7cd121caac2f5989aa68a052f638f82d4566328
SHA256e9522e6912a0124c0a8c9ff9bb3712b474971376a4eb4ca614bb1664a2b4abcf
SHA5124a09db85202723a73703c5926921fef60c3dddae21528a01936987306c5e7937463f94a2f4a922811de1f76621def2a8a597a8b38a719dd24e6ff3d4e07492ca
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Filesize
226B
MD5bdabe60ab4bbb86e8674c370e98c8ca0
SHA108251ff9ae6fcb82ea6f4de97cc8db34de98efd7
SHA25626c1cf23099e2238047eda9d519fbf09990ceee4ef7f5f904f951fedbcbc8a5f
SHA512d8d1aa25c1e8ba48d8034991eb4aad81804ad0f4c1a7f8e84d45e11cd91404630fc5d4c60d3f21b547c8dd893c6af16fda9de22f8653bcd43d0b918390eed0ba
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Filesize
121KB
MD56f98da9e33cd6f3dd60950413d3638ac
SHA1e630bdf8cebc165aa81464ff20c1d55272d05675
SHA256219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773
SHA5122983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c
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Filesize
847B
MD53308a84a40841fab7dfec198b3c31af7
SHA14e7ab6336c0538be5dd7da529c0265b3b6523083
SHA256169bc31a8d1666535977ca170d246a463e6531bb21faab6c48cb4269d9d60b2e
SHA51297521d5fb94efdc836ea2723098a1f26a7589a76af51358eee17292d29c9325baf53ad6b4496c5ca3e208d1c9b9ad6797a370e2ae378072fc68f5d6e8b73b198
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Filesize
7.2MB
MD5318b2f34fe665928280456b1d22c0390
SHA112b169796c8974eef2907b0e0f856896063484ad
SHA2567b271f5de5b2fbb7b2dada7b93ea925b199bbef2462f527409ae62249c1d102d
SHA5122a1a67016f7c183b7821df4518e0ca45c74232ac2638fe9ee8aca7781d883bbfca8ee955aa66810ae202e56138585b69b7ab3a43cbf9a07a90ad0bf8e69430c3
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Filesize
10.8MB
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Filesize
64KB
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Filesize
248KB
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Filesize
10.8MB
-
Filesize
1.0MB
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Filesize
1004KB
-
Filesize
152KB
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Filesize
4.1MB
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Filesize
3.0MB
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Filesize
4.1MB
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Filesize
152KB
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Filesize
4.1MB
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Filesize
1004KB
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Filesize
516KB
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Filesize
920KB
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Filesize
4.1MB
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Filesize
272KB
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Filesize
3.0MB
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Filesize
1004KB
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Filesize
4.1MB
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Filesize
4.1MB
-
Filesize
4.1MB
-
Filesize
4.1MB
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Filesize
4.1MB
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Filesize
4.1MB
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Filesize
920KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
64KB
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Filesize
1.7MB
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Filesize
10.8MB