Analysis
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max time kernel
137s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 15:46
Static task
static1
Behavioral task
behavioral1
Sample
5fb3fc06922cf2e8d88beb2566b8a1bb.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
5fb3fc06922cf2e8d88beb2566b8a1bb.exe
Resource
win10v20210410
General
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Target
5fb3fc06922cf2e8d88beb2566b8a1bb.exe
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Size
810KB
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MD5
5fb3fc06922cf2e8d88beb2566b8a1bb
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SHA1
8dfefde2ed3ccc6a27f3d5e3ad873126e54b0103
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SHA256
bb8f297b69b83f67d611e5d0fd966efc9116a79598044c02e9a691a30fb7c07d
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SHA512
1881a375c1e84157bfc53cead2f7ee59ac3b6598808394ff464e115c27984a05432793028ecfb80dc983376835e187118c7d04de9fb9ee7882d6e65bbfbb9ae1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ccsp-india.com - Port:
587 - Username:
vehicle@ccsp-india.com - Password:
Lkp$CcsP1008
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 behavioral2/memory/1576-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1576-125-0x000000000043769E-mapping.dmp family_agenttesla behavioral2/memory/1576-130-0x0000000004D20000-0x000000000521E000-memory.dmp family_agenttesla behavioral2/memory/1576-135-0x0000000004D20000-0x000000000521E000-memory.dmp family_agenttesla -
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
Processes:
resource yara_rule behavioral2/memory/4056-121-0x0000000000A50000-0x0000000000A5B000-memory.dmp CustAttr -
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:
5fb3fc06922cf2e8d88beb2566b8a1bb.exedescription pid process target process PID 4056 set thread context of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
5fb3fc06922cf2e8d88beb2566b8a1bb.exe5fb3fc06922cf2e8d88beb2566b8a1bb.exepid process 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 1576 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 1576 5fb3fc06922cf2e8d88beb2566b8a1bb.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
5fb3fc06922cf2e8d88beb2566b8a1bb.exe5fb3fc06922cf2e8d88beb2566b8a1bb.exedescription pid process Token: SeDebugPrivilege 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe Token: SeDebugPrivilege 1576 5fb3fc06922cf2e8d88beb2566b8a1bb.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
5fb3fc06922cf2e8d88beb2566b8a1bb.exedescription pid process target process PID 4056 wrote to memory of 2660 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 2660 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 2660 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe PID 4056 wrote to memory of 1576 4056 5fb3fc06922cf2e8d88beb2566b8a1bb.exe 5fb3fc06922cf2e8d88beb2566b8a1bb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"C:\Users\Admin\AppData\Local\Temp\5fb3fc06922cf2e8d88beb2566b8a1bb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1576-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1576-135-0x0000000004D20000-0x000000000521E000-memory.dmpFilesize
5.0MB
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memory/1576-132-0x0000000005A80000-0x0000000005A81000-memory.dmpFilesize
4KB
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memory/1576-131-0x00000000051F0000-0x00000000051F1000-memory.dmpFilesize
4KB
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memory/1576-130-0x0000000004D20000-0x000000000521E000-memory.dmpFilesize
5.0MB
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memory/1576-125-0x000000000043769E-mapping.dmp
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memory/4056-118-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/4056-122-0x0000000008300000-0x0000000008382000-memory.dmpFilesize
520KB
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memory/4056-123-0x00000000083D0000-0x000000000840D000-memory.dmpFilesize
244KB
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memory/4056-121-0x0000000000A50000-0x0000000000A5B000-memory.dmpFilesize
44KB
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memory/4056-120-0x0000000004B60000-0x000000000505E000-memory.dmpFilesize
5.0MB
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memory/4056-119-0x0000000004A50000-0x0000000004A51000-memory.dmpFilesize
4KB
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memory/4056-114-0x0000000000160000-0x0000000000161000-memory.dmpFilesize
4KB
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memory/4056-117-0x0000000004A70000-0x0000000004A71000-memory.dmpFilesize
4KB
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memory/4056-116-0x0000000005060000-0x0000000005061000-memory.dmpFilesize
4KB