Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12-03-2024 02:20
Behavioral task
behavioral1
Sample
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
Resource
win10v2004-20240226-en
General
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Target
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
-
Size
948KB
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MD5
1f5d33b971e55161344c939113e5e319
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SHA1
da15607e443200fa55d7d0a174db42fbd3e79039
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SHA256
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636
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SHA512
438ecb39c80cc618b813bef917eddcb268b9ec15f6518f7dbb50187fae37601c0ddc8d847f34a462b4628dca2db458b253171e64a723b15701397dc86f9a1139
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SSDEEP
24576:djdIX5Ea8gGNkPRCrYJBSTagnZ3juezrkIUhjmjbdTh7:fIPRPKauu0rYh8bdd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
ipvN$BhoDv7c(DqD - 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 ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral1/memory/2904-4-0x0000000004B50000-0x0000000004C0A000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-5-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-6-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-8-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-10-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-12-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-14-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-16-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-18-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-20-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-22-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-24-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-26-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-28-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-30-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-32-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-34-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-36-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-38-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-40-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-42-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-44-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-46-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-48-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-50-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-52-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-54-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-56-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-58-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-60-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-62-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-68-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-66-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 behavioral1/memory/2904-64-0x0000000004B50000-0x0000000004C03000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2904-0-0x0000000000AB0000-0x0000000000BA4000-memory.dmp family_purelog_stealer -
Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-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 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2140-1140-0x0000000004B30000-0x0000000004B70000-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 2 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process target process PID 2904 set thread context of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exepid process 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2140 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2140 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process Token: SeDebugPrivilege 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe Token: SeDebugPrivilege 2140 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process target process PID 2904 wrote to memory of 808 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 808 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 808 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 808 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 900 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 900 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 900 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 900 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 2904 wrote to memory of 2140 2904 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵PID:808
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C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵PID:900
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C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140