Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-04-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe
Resource
win10v2004-20240412-en
General
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Target
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe
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Size
1.1MB
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MD5
fc5d306d786d34136c984321c136fb9b
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SHA1
93afd9cf02c428d506ab20649f953978025ce74a
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SHA256
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b
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SHA512
177b0af31ec6d2d740941f9e693d0c889c1f2414360065ca81ee70a82bfc51f763d18f313a40f096c8c572823ab32a09408d2c8db2d0627875d9f22441bff695
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SSDEEP
24576:zqDEvCTbMWu7rQYlBQcBiT6rprG8aPIo9OW1P/g0Fa:zTvC/MTQYxsWR7aPNP/g0F
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cash4cars.nz - Port:
587 - Username:
[email protected] - Password:
logs2024! - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" RegSvcs.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.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exedescription pid process target process PID 2884 set thread context of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2340 RegSvcs.exe 2340 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exepid process 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2340 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exepid process 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exepid process 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exedescription pid process target process PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe PID 2884 wrote to memory of 2340 2884 b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe"C:\Users\Admin\AppData\Local\Temp\b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\b92992bf42b574b3807fe52ffca445b0ad8d054d452e465c60afd03f8e05d49b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2340-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2340-13-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2340-15-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2340-16-0x00000000740E0000-0x00000000747CE000-memory.dmpFilesize
6.9MB
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memory/2340-17-0x0000000004BD0000-0x0000000004C10000-memory.dmpFilesize
256KB
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memory/2340-19-0x00000000740E0000-0x00000000747CE000-memory.dmpFilesize
6.9MB
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memory/2340-20-0x0000000004BD0000-0x0000000004C10000-memory.dmpFilesize
256KB
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memory/2884-10-0x00000000000B0000-0x00000000000B4000-memory.dmpFilesize
16KB