Analysis
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max time kernel
102s -
max time network
56s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
22-07-2021 12:10
Static task
static1
Behavioral task
behavioral1
Sample
Swift-pdf.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
Swift-pdf.exe
Resource
win10v20210410
General
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Target
Swift-pdf.exe
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Size
13KB
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MD5
81afa08f1a1acfa3fd9f52ecadda2f55
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SHA1
dd5d7f7638848ef8ae9d682d821a003b00bba6af
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SHA256
de49258994a651e41ea2b519ae39eb815b8d26cb3097fab2dd0e1ee5c9ea37b1
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SHA512
1b68179d972ba84cd692823be1e3745e377155a73c335f317bd32ec96a3b3e038c2fc76c8a72ac4ce180fc120f295d23c52b22c18271fafebcdfa1ce83b7e2bc
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pss.net.pk - Port:
587 - Username:
[email protected] - Password:
AnisAhmed1980
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1580-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1580-64-0x000000000043749E-mapping.dmp family_agenttesla behavioral1/memory/1580-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Swift-pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\xepul = "C:\\Users\\Admin\\AppData\\Roaming\\xepul\\xepul.exe" Swift-pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Swift-pdf.exedescription pid process target process PID 1636 set thread context of 1580 1636 Swift-pdf.exe Swift-pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Swift-pdf.exepid process 1580 Swift-pdf.exe 1580 Swift-pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Swift-pdf.exeSwift-pdf.exedescription pid process Token: SeDebugPrivilege 1636 Swift-pdf.exe Token: SeDebugPrivilege 1580 Swift-pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Swift-pdf.exepid process 1580 Swift-pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Swift-pdf.exedescription pid process target process PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe PID 1636 wrote to memory of 1580 1636 Swift-pdf.exe Swift-pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1580
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1580-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1580-64-0x000000000043749E-mapping.dmp
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memory/1580-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1580-67-0x00000000003B0000-0x00000000003B1000-memory.dmpFilesize
4KB
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memory/1580-68-0x00000000003B1000-0x00000000003B2000-memory.dmpFilesize
4KB
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memory/1636-59-0x00000000012F0000-0x00000000012F1000-memory.dmpFilesize
4KB
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memory/1636-61-0x0000000000D50000-0x0000000000D51000-memory.dmpFilesize
4KB
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memory/1636-62-0x00000000004F0000-0x00000000004F9000-memory.dmpFilesize
36KB