Analysis
- max time kernel
120s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
20/01/2025, 17:33
Static task
static1
Behavioral task
behavioral1
Sample
df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe
Resource
win10v2004-20241007-en
General
- Target df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe
- Size 769KB
- Sample250120-v5cdca1jfp
- SHA256 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6
- MD5 e1ad7b88425a157fdd0b00ad4d8fe290
- SHA1 c7608e796fff101e223c6a30ba79f2f177866474
- SHA512 06877c7c994a907c916991ee1c980c13f051428f7fc703e2d1c039a5257cbe5013fe3369a69aef94e3e236a6bcf087da63efcd3327bba87c947f348472692497
- SSDEEP 6144:9WusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N13728:9z7IFjvelQypyfy7z6u7+4D3728
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Boy12345#
Signatures
- 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation app.exe - Executes dropped EXE 3 IoCs
pid Process 444 app.exe 2064 app.exe 4608 My.RawFile.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 My.RawFile.exe Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 My.RawFile.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe" df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 checkip.dyndns.org - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 444 set thread context of 4892 444 app.exe 89 PID 444 set thread context of 3176 444 app.exe 90 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language app.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language app.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language My.RawFile.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 2064 app.exe 2064 app.exe 2064 app.exe 2064 app.exe 2064 app.exe 2064 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 4608 My.RawFile.exe 4608 My.RawFile.exe 4608 My.RawFile.exe 4608 My.RawFile.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe 444 app.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe Token: SeDebugPrivilege 444 app.exe Token: SeDebugPrivilege 2064 app.exe Token: SeDebugPrivilege 4608 My.RawFile.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4608 My.RawFile.exe - Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3952 wrote to memory of 444 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 84 PID 3952 wrote to memory of 444 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 84 PID 3952 wrote to memory of 444 3952 df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe 84 PID 444 wrote to memory of 2064 444 app.exe 85 PID 444 wrote to memory of 2064 444 app.exe 85 PID 444 wrote to memory of 2064 444 app.exe 85 PID 444 wrote to memory of 4608 444 app.exe 88 PID 444 wrote to memory of 4608 444 app.exe 88 PID 444 wrote to memory of 4608 444 app.exe 88 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 4892 444 app.exe 89 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 3176 444 app.exe 90 PID 444 wrote to memory of 3176 444 app.exe 90 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 My.RawFile.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 My.RawFile.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe"C:\Users\Admin\AppData\Local\Temp\df90c7882198365af165f71ffb0c1f1a8300adca4a04e3e8fa2746f98ba600f6N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Users\Admin\AppData\Roaming\app.exe"C:\Users\Admin\AppData\Roaming\app.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:444 -
C:\Users\Admin\AppData\Roaming\app.exe"C:\Users\Admin\AppData\Roaming\app.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2064
-
-
C:\Users\Admin\AppData\Roaming\My.RawFile.exe"C:\Users\Admin\AppData\Roaming\My.RawFile.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4608
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"3⤵
- System Location Discovery: System Language Discovery
PID:4892
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"3⤵
- System Location Discovery: System Language Discovery
PID:3176
-
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\aspnet_compiler.exe.log
- Size 20B
- SHA256 7a23c6e7ccd8811ecdf038d3a89d5c7d68ed37324bae2d4954125d9128fa9432
- MD5 b3ac9d09e3a47d5fd00c37e075a70ecb
- SHA1 ad14e6d0e07b00bd10d77a06d68841b20675680b
- SHA512 09b609ee1061205aa45b3c954efc6c1a03c8fd6b3011ff88cf2c060e19b1d7fd51ee0cb9d02a39310125f3a66aa0146261bdee3d804f472034df711bc942e316
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\My.RawFile.exe
- Size 142KB
- SHA256 a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7
- MD5 5a733ef0de5e31e2e4b4abb016c0f251
- SHA1 28644040a6deac35c20fa931b5d003a97293363e
- SHA512 9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9
- SSDEEP 3072:L4OYPSgVp7HL47S87U5uMkH+jNbMJnvJ/I+H8kCanU4dKE4P:L4rp7HL4W87U5uCAJnrc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\app.exe
- Size 778KB
- SHA256 e8de4f80df866617be4fcc6369cea14a200793538bffee950a1b42cd79508036
- MD5 0a66dd0d0517851e7d665b8766136c67
- SHA1 84273dc24f60509b7cfe2a1f041ea16561dfae09
- SHA512 2916265948a6d42b46d491b58b205563a0c9fc9cde42d6c8ec4dcc55ee57ead077bafa21d69f3f7e932ac170a38c2304d5b0264cb7008bd975da1c5f77358cdd
- SSDEEP 6144:CWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1372+7:Cz7IFjvelQypyfy7z6u7+4D372+7
- MD5 SHA1 SHA512 SSDEEP