Analysis
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max time kernel
119s -
max time network
56s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
22-07-2021 08:02
Static task
static1
Behavioral task
behavioral1
Sample
a5da6bea30981185e9dadaaa06ccf45b.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
a5da6bea30981185e9dadaaa06ccf45b.exe
Resource
win10v20210410
General
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Target
a5da6bea30981185e9dadaaa06ccf45b.exe
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Size
493KB
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MD5
a5da6bea30981185e9dadaaa06ccf45b
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SHA1
3166d96dc5c719df87abc726ee1b8785ef8ee7d8
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SHA256
efb3cc17330b519d970353a2f8da8ab9a10abbed7fb5ac099bd4ed575ba21fa5
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SHA512
e96090c6cd989cccb310d40401bde54eb5db77a2311d5d12b04471cce56d7af589d079230566f0dab873ff80d89319f846a2c6f4e9adfdf9a925361c19df33f0
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument
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/524-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/524-69-0x000000000043774E-mapping.dmp family_agenttesla behavioral1/memory/524-70-0x0000000000400000-0x000000000043C000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
a5da6bea30981185e9dadaaa06ccf45b.exedescription pid process target process PID 1208 set thread context of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
a5da6bea30981185e9dadaaa06ccf45b.exea5da6bea30981185e9dadaaa06ccf45b.exepid process 1208 a5da6bea30981185e9dadaaa06ccf45b.exe 1208 a5da6bea30981185e9dadaaa06ccf45b.exe 524 a5da6bea30981185e9dadaaa06ccf45b.exe 524 a5da6bea30981185e9dadaaa06ccf45b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
a5da6bea30981185e9dadaaa06ccf45b.exea5da6bea30981185e9dadaaa06ccf45b.exedescription pid process Token: SeDebugPrivilege 1208 a5da6bea30981185e9dadaaa06ccf45b.exe Token: SeDebugPrivilege 524 a5da6bea30981185e9dadaaa06ccf45b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a5da6bea30981185e9dadaaa06ccf45b.exedescription pid process target process PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe PID 1208 wrote to memory of 524 1208 a5da6bea30981185e9dadaaa06ccf45b.exe a5da6bea30981185e9dadaaa06ccf45b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5da6bea30981185e9dadaaa06ccf45b.exe"C:\Users\Admin\AppData\Local\Temp\a5da6bea30981185e9dadaaa06ccf45b.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\a5da6bea30981185e9dadaaa06ccf45b.exeC:\Users\Admin\AppData\Local\Temp\a5da6bea30981185e9dadaaa06ccf45b.exe2⤵
- 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/524-68-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-69-0x000000000043774E-mapping.dmp
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memory/524-70-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/524-72-0x00000000048A0000-0x00000000048A1000-memory.dmpFilesize
4KB
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memory/524-73-0x00000000048A1000-0x00000000048A2000-memory.dmpFilesize
4KB
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memory/1208-59-0x0000000000330000-0x0000000000331000-memory.dmpFilesize
4KB
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memory/1208-61-0x0000000004CB0000-0x0000000004CB1000-memory.dmpFilesize
4KB
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memory/1208-62-0x0000000002080000-0x00000000020D4000-memory.dmpFilesize
336KB
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memory/1208-67-0x0000000005A80000-0x0000000005AEB000-memory.dmpFilesize
428KB