Analysis
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max time kernel
140s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2023 02:39
Static task
static1
Behavioral task
behavioral1
Sample
Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe
Resource
win10v2004-20231130-en
General
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Target
Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe
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Size
5KB
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MD5
307250be963257c7e18a3252e4bd74d4
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SHA1
568d3fd58dfbd7140aae6a7840460b343c83c13f
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SHA256
9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6
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SHA512
71bbc3c7013730683d33c594613dc831c337ca0298975f42705e92afeb2c34b78b166820f4f4b05480f4673c626d0f81c40372090627a76562454e1a8fade484
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SSDEEP
48:6Qi+hmUGDJrNHIjfe6DSfAEnwgKgwoWz6Ao/CIjfdUhLQIfhsFwQpsVtiOlSDqFQ:G7lrZIjG6DSfA/dgwo/pf8Bhrt0ozNt
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6414995176:AAGuFTS3tKhdeIu6sCNhCNw8cv7vkPJh1TQ/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\calender = "C:\\Users\\Admin\\AppData\\Roaming\\calender.exe" Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 49 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4600 set thread context of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2416 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 2416 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe Token: SeDebugPrivilege 2416 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe Token: SeManageVolumePrivilege 3156 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68 PID 4600 wrote to memory of 2416 4600 Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe 68
Processes
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C:\Users\Admin\AppData\Local\Temp\Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:3912
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3156
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Our Inquiry_RFQ Details_Heap lee chan Trading_Pdf.exe.log
Filesize1KB
MD5489c7565f9b029ba9fadff774073cc98
SHA156c05089b33ee7e7dfa9e6a2d098164efd8e1150
SHA25610bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4
SHA512ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac