Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
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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
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
ipvN$BhoDv7c(DqD
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
ipvN$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 behavioral2/memory/4492-4-0x0000000004C40000-0x0000000004CFA000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-7-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-8-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-10-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-12-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-14-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-16-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-18-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-20-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-22-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-24-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-26-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-28-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-32-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-30-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-34-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-36-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-38-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-40-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-42-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-44-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-46-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-48-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-50-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-52-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-54-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-56-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-58-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-60-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-62-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-64-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-66-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-68-0x0000000004C40000-0x0000000004CF3000-memory.dmp family_zgrat_v1 behavioral2/memory/4492-70-0x0000000004C40000-0x0000000004CF3000-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 behavioral2/memory/4492-0-0x00000000000B0000-0x00000000001A4000-memory.dmp family_purelog_stealer -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2824-1129-0x0000000000400000-0x0000000000442000-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/2824-1129-0x0000000000400000-0x0000000000442000-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/2824-1129-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2824-1129-0x0000000000400000-0x0000000000442000-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/2824-1129-0x0000000000400000-0x0000000000442000-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/2824-1129-0x0000000000400000-0x0000000000442000-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/2824-1129-0x0000000000400000-0x0000000000442000-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 28 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process target process PID 4492 set thread context of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exepid process 2824 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2824 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process Token: SeDebugPrivilege 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe Token: SeDebugPrivilege 2824 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exedescription pid process target process PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe 2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe PID 4492 wrote to memory of 2824 4492 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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exeC:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824
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\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe.log
Filesize1KB
MD5af8c9fba281902e31952a5af3eaf3a86
SHA1edf070b0b1cf7dc7b47a4f7dded9b0e79af5c310
SHA2569645c41bff7a4cf3fff5b529c5808c4b083b002416c82d8a899fdef72189f802
SHA5125a3ae9d7a7e94da720ac91f6f11d98e1d46773f576bb84ad03cea3731b9babbb61b7a7d1b96449b9bd1375a019ab0c4691ea2c6c5a452c10222460bd87a1b0dd