Analysis
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max time kernel
130s -
max time network
136s -
platform
windows7_x64 -
resource
win7 -
submitted
07/07/2020, 13:07
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice.exe
Resource
win7
Behavioral task
behavioral2
Sample
Proforma Invoice.exe
Resource
win10v200430
General
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Target
Proforma Invoice.exe
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Size
452KB
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MD5
74adf498c96c634627cc0a4e6fe08710
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SHA1
46c86e64e6d92f475ba1b04fbde7a67aeeccf7cb
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SHA256
4f975bf5421b35152c4408ad831df3d1bac81e684ad15bd1e3209a987cf9c01a
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SHA512
750e99195dee7a7327af30732655e449858a83bdaf8f91cb7f3a3b226186e78b315145d7953e9646f3dbd6692abe21abde6b03027d4b3207d122a8e4ed4719ae
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ikem123456789
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
resource yara_rule behavioral1/memory/1428-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1428-1-0x0000000000446DFE-mapping.dmp family_agenttesla behavioral1/memory/1428-3-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1428-2-0x0000000000400000-0x000000000044C000-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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1164 set thread context of 1428 1164 Proforma Invoice.exe 24 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1428 Proforma Invoice.exe 1428 Proforma Invoice.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1428 Proforma Invoice.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24 PID 1164 wrote to memory of 1428 1164 Proforma Invoice.exe 24
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428
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