Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13-02-2024 02:48
Static task
static1
Behavioral task
behavioral1
Sample
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
Resource
win10v2004-20231215-en
General
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Target
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
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Size
745KB
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MD5
8a944460181bc7450e02a40c14eb8833
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SHA1
2c92ae1e51efea2fd46e9274a0a2e19c8f214d4a
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SHA256
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879
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SHA512
f21a9045b18c7c2741aab440038db43e2a519513770d7ac02b4d179b4afb27f0d5ae5e2236d2c595646d118cecfe6d931fc99f24790ca25d48a2b1ed4605b435
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SSDEEP
12288:3SqEIqkzqHKMbj18vVWw1cdSFVX1hzpGNTzmFG5v6p7MVvXOa3GX6MZI8ddwf+Xi:38IJz87bh8vVV1ciVzzp6uF46+fOa3G2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.afconnl.com - Port:
587 - Username:
[email protected] - Password:
ah!kfC@0 - 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. 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-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 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
resource yara_rule behavioral1/memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2716-18-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1044 set thread context of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2716 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 2716 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2716 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28 PID 1044 wrote to memory of 2716 1044 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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