Analysis
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max time kernel
77s -
max time network
57s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 07:41
Static task
static1
Behavioral task
behavioral1
Sample
cd6c7cebe32c01a2efca4ce22ba7ac8f.exe
Resource
win7
Behavioral task
behavioral2
Sample
cd6c7cebe32c01a2efca4ce22ba7ac8f.exe
Resource
win10
General
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Target
cd6c7cebe32c01a2efca4ce22ba7ac8f.exe
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Size
545KB
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MD5
cd6c7cebe32c01a2efca4ce22ba7ac8f
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SHA1
d5952b41f903a3e980c9b9e2fbf8a1de3bc431cf
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SHA256
ee5571110d6b005c3de5cbe9672640254c3129f2b523a357da6f163a1b827c47
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SHA512
4dde74d0d010d0b8d80028ffab54c5f59bb525f69aa10b9443af0a3e130fc105487920e868d830c8613266d092dc9000f5a3fd2832859cb732aa4cb5139075dd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
bh-58.webhostbox.net - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
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/788-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/788-1-0x0000000000446D6E-mapping.dmp family_agenttesla behavioral1/memory/788-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/788-3-0x0000000000400000-0x000000000044C000-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:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\chekwa = "C:\\Users\\Admin\\AppData\\Local\\Temp\\chekwa\\chekwa.exe" cd6c7cebe32c01a2efca4ce22ba7ac8f.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exedescription pid process target process PID 1424 set thread context of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exepid process 788 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe 788 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exedescription pid process Token: SeDebugPrivilege 788 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exepid process 788 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
cd6c7cebe32c01a2efca4ce22ba7ac8f.exedescription pid process target process PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe PID 1424 wrote to memory of 788 1424 cd6c7cebe32c01a2efca4ce22ba7ac8f.exe cd6c7cebe32c01a2efca4ce22ba7ac8f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd6c7cebe32c01a2efca4ce22ba7ac8f.exe"C:\Users\Admin\AppData\Local\Temp\cd6c7cebe32c01a2efca4ce22ba7ac8f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\cd6c7cebe32c01a2efca4ce22ba7ac8f.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:788