Analysis
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max time kernel
127s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:45
Static task
static1
Behavioral task
behavioral1
Sample
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe
Resource
win10v2004-20240508-en
General
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Target
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe
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Size
2.7MB
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MD5
df9b85d2e11f42d4c6b838c9bb020d3d
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SHA1
6cba8338b2c9edf292cc56419ddf42b4cf5e8a7b
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SHA256
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c
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SHA512
e499132408b1467149a27199925a76ad0c380f7e1b14bdd6612ac162228a43dc5f244ae8bf77cbbe6344e963810dd4206c4176aca8218510fd0b39841e2fa26e
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SSDEEP
49152:roB4Q+jF9U9LbNOc0nllaFROSRGT093HsZxcgZ1F+qmOiEEiwfYLLHaCjPx:EGQ6F9U9vNJM6BR9MZ9FdIZp+6CjZ
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
dU*wU0)yR;?4q|-#
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
dU*wU0)yR;?4q|-# - 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. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1436-1-0x0000000000200000-0x00000000004BC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3620-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 19 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exedescription pid Process procid_target PID 1436 set thread context of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exepid Process 3620 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 3620 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exea9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exedescription pid Process Token: SeDebugPrivilege 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe Token: SeDebugPrivilege 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe Token: SeDebugPrivilege 3620 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exedescription pid Process procid_target PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88 PID 1436 wrote to memory of 3620 1436 a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe"C:\Users\Admin\AppData\Local\Temp\a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Users\Admin\AppData\Local\Temp\a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe"C:\Users\Admin\AppData\Local\Temp\a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a9acdedbcc185292379f90b97ab6f584461d59aba50542a8fb50f1c2948d8d8c.exe.log
Filesize805B
MD54b74e933d78bd5e8fb1cc4653fb2133c
SHA1f6e931eec700fa325bd40c3adc6f1c0eba806066
SHA256fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3
SHA512b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec