Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 01:11
Static task
static1
Behavioral task
behavioral1
Sample
Sipariş PO #408232023_ZNG İstanbul_pdf.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Sipariş PO #408232023_ZNG İstanbul_pdf.exe
Resource
win10v2004-20240508-en
General
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Target
Sipariş PO #408232023_ZNG İstanbul_pdf.exe
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Size
2.5MB
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MD5
f55d77a9d704af55b0797de1435706e3
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SHA1
93010de39c5e434291a439b65f6eb381b741edf3
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SHA256
5302c416b0abd845fe3145f910e82440588c11219940fe89fd68722260a9b508
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SHA512
0ad087c8a2290f890cb58535958566cf6a814415c58f20742d3074d27cd0e4e31f5f3d3a0a4945ec675c84ad99f9894c184ff69fcb702d19443a83729b19bddb
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SSDEEP
49152:VP6hSrcCPT0J6Lg31+mYGnKDVTXShVr7oL:2ujRmYGnKDVTOr
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
BTwcMq@2 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2948-3-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Sipariş PO #408232023_ZNG İstanbul_pdf.exedescription pid process target process PID 1364 set thread context of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CasPol.exepid process 2948 CasPol.exe 2948 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CasPol.exedescription pid process Token: SeDebugPrivilege 2948 CasPol.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Sipariş PO #408232023_ZNG İstanbul_pdf.exedescription pid process target process PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe PID 1364 wrote to memory of 2948 1364 Sipariş PO #408232023_ZNG İstanbul_pdf.exe CasPol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sipariş PO #408232023_ZNG İstanbul_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Sipariş PO #408232023_ZNG İstanbul_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948