Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe
Resource
win10v2004-20240226-en
General
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Target
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe
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Size
1.1MB
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MD5
2a07051d44440cd3c25081da8e13937d
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SHA1
cf8c01d5bf1208ab2f8806fef2cb735a53486e36
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SHA256
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68
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SHA512
8862d95a3903c66bf0b71d36e4748d192e730301efef6092f86565d6eff543266799c5b571f62d985174e26e50f4da842e17bb3fc4269f238d71442c29f97b0c
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SSDEEP
24576:EqDEvCTbMWu7rQYlBQcBiT6rprG8aIvgpkO6qHAYDb:ETvC/MTQYxsWR7aIvgNVHTD
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6776344622:AAE2QGMduuZ12VrNAxC91B7E3v-RBpjCMNI/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exedescription pid process target process PID 2624 set thread context of 4316 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 4316 RegSvcs.exe 4316 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exepid process 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4316 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exepid process 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exepid process 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exedescription pid process target process PID 2624 wrote to memory of 4316 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe RegSvcs.exe PID 2624 wrote to memory of 4316 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe RegSvcs.exe PID 2624 wrote to memory of 4316 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe RegSvcs.exe PID 2624 wrote to memory of 4316 2624 af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe"C:\Users\Admin\AppData\Local\Temp\af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\af4c8dace0ca65db170c11477a3794af2ad3feb706bda810988a22ce72af5a68.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2624-10-0x0000000000970000-0x0000000000974000-memory.dmpFilesize
16KB
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memory/4316-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4316-12-0x0000000074100000-0x00000000748B0000-memory.dmpFilesize
7.7MB
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memory/4316-13-0x00000000058E0000-0x0000000005E84000-memory.dmpFilesize
5.6MB
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memory/4316-14-0x00000000054E0000-0x00000000054F0000-memory.dmpFilesize
64KB
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memory/4316-15-0x00000000054F0000-0x0000000005556000-memory.dmpFilesize
408KB
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memory/4316-16-0x0000000006690000-0x00000000066E0000-memory.dmpFilesize
320KB
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memory/4316-17-0x0000000006780000-0x0000000006812000-memory.dmpFilesize
584KB
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memory/4316-18-0x0000000006700000-0x000000000670A000-memory.dmpFilesize
40KB
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memory/4316-19-0x0000000074100000-0x00000000748B0000-memory.dmpFilesize
7.7MB
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memory/4316-20-0x00000000054E0000-0x00000000054F0000-memory.dmpFilesize
64KB