Analysis
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max time kernel
147s -
max time network
152s -
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 02:12
Static task
static1
Behavioral task
behavioral1
Sample
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe
Resource
win10v2004-20240226-en
General
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Target
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe
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Size
1.1MB
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MD5
b498d010f13c60756817426770386b7f
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SHA1
17f91021c16decd629940650599f28dde95f7b8f
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SHA256
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4
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SHA512
7de06b1ae7b9edace7577c0b71e007d9a8b8c3cebe722f74dffaac6ee83a349b4af3e18804e55063fa8145f353167a9806d5c72b45ff876fcfff8691d456e459
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SSDEEP
24576:RqDEvCTbMWu7rQYlBQcBiT6rprG8a9/5bFAXdTiM2zE:RTvC/MTQYxsWR7a9dkdLO
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/4252-11-0x0000000000400000-0x0000000000442000-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/4252-11-0x0000000000400000-0x0000000000442000-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/4252-11-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4252-11-0x0000000000400000-0x0000000000442000-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/4252-11-0x0000000000400000-0x0000000000442000-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/4252-11-0x0000000000400000-0x0000000000442000-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/4252-11-0x0000000000400000-0x0000000000442000-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 27 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exedescription pid process target process PID 2148 set thread context of 4252 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 4252 RegSvcs.exe 4252 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exepid process 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4252 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exepid process 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exepid process 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exedescription pid process target process PID 2148 wrote to memory of 4252 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe RegSvcs.exe PID 2148 wrote to memory of 4252 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe RegSvcs.exe PID 2148 wrote to memory of 4252 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe RegSvcs.exe PID 2148 wrote to memory of 4252 2148 3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe"C:\Users\Admin\AppData\Local\Temp\3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.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\3a130b306b03d9d0d402d9bd69f4234e4e5edf0e72f3c4a6bf534dddb51f4da4.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2148-10-0x0000000000ED0000-0x0000000000ED4000-memory.dmpFilesize
16KB
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memory/4252-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4252-12-0x0000000073760000-0x0000000073F10000-memory.dmpFilesize
7.7MB
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memory/4252-13-0x0000000005390000-0x0000000005934000-memory.dmpFilesize
5.6MB
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memory/4252-14-0x0000000004CF0000-0x0000000004D00000-memory.dmpFilesize
64KB
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memory/4252-15-0x0000000004EE0000-0x0000000004F46000-memory.dmpFilesize
408KB
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memory/4252-16-0x00000000062A0000-0x00000000062F0000-memory.dmpFilesize
320KB
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memory/4252-17-0x0000000006390000-0x0000000006422000-memory.dmpFilesize
584KB
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memory/4252-18-0x0000000006310000-0x000000000631A000-memory.dmpFilesize
40KB
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memory/4252-19-0x0000000073760000-0x0000000073F10000-memory.dmpFilesize
7.7MB
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memory/4252-20-0x0000000004CF0000-0x0000000004D00000-memory.dmpFilesize
64KB