Analysis
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max time kernel
129s -
max time network
136s -
platform
windows7_x64 -
resource
win7 -
submitted
07-07-2020 08:39
Static task
static1
Behavioral task
behavioral1
Sample
Order_0720PDF.exe
Resource
win7
Behavioral task
behavioral2
Sample
Order_0720PDF.exe
Resource
win10
General
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Target
Order_0720PDF.exe
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Size
708KB
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MD5
bb74242d80d141d6314cf151c7db88db
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SHA1
ed713dd9f9d036801b328ce98d66f76bfee3e19a
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SHA256
7a6ca5fc154848fb338acb8c6ed9643b99d94df75a198133cf779353a84014b1
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SHA512
220c444d9f1fd136f9db6650a1796bcdd8285de17400e8286814d5d0754f6bdb69d472d8bc2be32c78211e185bde9b4257629ac085fee415af9da9bf4bdff18a
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.solarcenter.ro/ - Port:
21 - Username:
[email protected] - Password:
RSv%AL{k~wATNN@ossyguru@00998877
Protocol: ftp- Host:
ftp://ftp.solarcenter.ro/ - Port:
21 - Username:
[email protected] - Password:
RSv%AL{k~wATNN@ossyguru@00998877
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1840-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1840-5-0x000000000044C87E-mapping.dmp family_agenttesla behavioral1/memory/1840-7-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1840-8-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
RegAsm.exepid process 1840 RegAsm.exe -
Loads dropped DLL 2 IoCs
Processes:
Order_0720PDF.exeRegAsm.exepid process 1668 Order_0720PDF.exe 1840 RegAsm.exe -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Order_0720PDF.exedescription pid process target process PID 1668 set thread context of 1840 1668 Order_0720PDF.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Order_0720PDF.exeRegAsm.exepid process 1668 Order_0720PDF.exe 1668 Order_0720PDF.exe 1668 Order_0720PDF.exe 1840 RegAsm.exe 1840 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Order_0720PDF.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1668 Order_0720PDF.exe Token: SeDebugPrivilege 1840 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Order_0720PDF.exeRegAsm.exedescription pid process target process PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1668 wrote to memory of 1840 1668 Order_0720PDF.exe RegAsm.exe PID 1840 wrote to memory of 1544 1840 RegAsm.exe netsh.exe PID 1840 wrote to memory of 1544 1840 RegAsm.exe netsh.exe PID 1840 wrote to memory of 1544 1840 RegAsm.exe netsh.exe PID 1840 wrote to memory of 1544 1840 RegAsm.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Order_0720PDF.exe"C:\Users\Admin\AppData\Local\Temp\Order_0720PDF.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1544
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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MD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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MD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab
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MD5
b58b926c3574d28d5b7fdd2ca3ec30d5
SHA1d260c4ffd603a9cfc057fcb83d678b1cecdf86f9
SHA2566e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3
SHA512b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab