Analysis
- max time kernel
140s - max time network
13s - platform
windows7_x64 - resource
win7v20201028 - submitted
08/04/2021, 08:56
Static task
static1
Behavioral task
behavioral1
Sample
Bank Details.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Bank Details.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target Bank Details.exe
- Size 841KB
- Sample210408-731bs8c4a6
- SHA256 9e06dbc31da0f0538f26c66ccb165bab4ae9107794e62b0f9047e50866e2d183
- MD5 54ff3faefd69018f97f5e8daff8cf153
- SHA1 62fa9f5929c5a7d4165914fe0a0e5ad3ca696b5f
- SHA512 30215298a177a2e00afe07a7c0533ab6ec24b3dc33742766e3af8676c8e11bd3b40855a8dcb541b139fd7cdf77d53fb345b5318e0e2c94920765e2648a000263
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot1696339592:AAGbaDjD3IHi9kBkuqadzmBZMoM8jpnGAUI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/636-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/636-69-0x0000000000436C7E-mapping.dmp family_agenttesla behavioral1/memory/636-70-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 636 1680 Bank Details.exe 32 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1596 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1680 Bank Details.exe 1680 Bank Details.exe 1680 Bank Details.exe 636 RegSvcs.exe 636 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1680 Bank Details.exe Token: SeDebugPrivilege 636 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 636 RegSvcs.exe - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1680 wrote to memory of 1596 1680 Bank Details.exe 29 PID 1680 wrote to memory of 1596 1680 Bank Details.exe 29 PID 1680 wrote to memory of 1596 1680 Bank Details.exe 29 PID 1680 wrote to memory of 1596 1680 Bank Details.exe 29 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 1460 1680 Bank Details.exe 31 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32 PID 1680 wrote to memory of 636 1680 Bank Details.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IvoDRYveFKhjT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB367.tmp"2⤵
- Creates scheduled task(s)
PID:1596
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:1460
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:636
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