Analysis
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max time kernel
150s -
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
29-03-2024 02:59
Static task
static1
Behavioral task
behavioral1
Sample
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
Resource
win7-20240215-en
General
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Target
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
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Size
2.8MB
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MD5
388a85182dd3fe6c6e9d96617d8a8149
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SHA1
8685e212db44fbf7df85e6e12b9ac973418e33b5
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SHA256
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e
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SHA512
831c79bbf936a400078c39d90e60ca0753c9e8bdffc5872096d9171362c0fdeef06d7433316385b827595c0c6c0e1422aaa53b50f5ee4967778db74c2ffca1a2
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SSDEEP
49152:rUbVXnEoeQV8oI3BosehgnxlEstphJyle5Hdfd1HtYA3Fr:rUZ8CenXyiHdfnHtr1r
Malware Config
Extracted
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[ - 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/3840-2-0x0000000004DB0000-0x0000000004FE0000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-3-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-4-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-6-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-8-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-10-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-12-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-14-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-16-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-18-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-20-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-22-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-24-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-26-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-28-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-30-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-32-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-34-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-36-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-38-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-40-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-42-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-44-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-46-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-48-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-50-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-52-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-54-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-56-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-58-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-60-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-62-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-64-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 behavioral2/memory/3840-66-0x0000000004DB0000-0x0000000004FDA000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/756-4895-0x0000000000400000-0x0000000000442000-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/756-4895-0x0000000000400000-0x0000000000442000-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/756-4895-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/756-4895-0x0000000000400000-0x0000000000442000-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/756-4895-0x0000000000400000-0x0000000000442000-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/756-4895-0x0000000000400000-0x0000000000442000-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/756-4895-0x0000000000400000-0x0000000000442000-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 28 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exedescription pid process target process PID 3840 set thread context of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exepid process 756 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe 756 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exefe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exedescription pid process Token: SeDebugPrivilege 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe Token: SeDebugPrivilege 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe Token: SeDebugPrivilege 756 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exedescription pid process target process PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe PID 3840 wrote to memory of 756 3840 fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe.logFilesize
716B
MD54f9cc40b2bfe17ac6d8f4e67dad23157
SHA1f3a7e90a2af422f14a8913e2cf03cb5b639fdb18
SHA2563be33b92192f6b439c3b03172670dfd25018b775a0de1bde5f1e81e22a49ab20
SHA512d3d7c1b1fc70cbd7cc4ebe8649bee97a33476e4a0bd67928b124685d793b463208b78982ce592d352ae5a351eaef4d96fde3b02e69860a1c63ab0e53a8a5fa94
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memory/756-4893-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/756-4895-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/756-4897-0x0000000005740000-0x00000000057A6000-memory.dmpFilesize
408KB
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memory/756-4896-0x00000000057C0000-0x00000000057D0000-memory.dmpFilesize
64KB
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memory/756-4903-0x00000000057C0000-0x00000000057D0000-memory.dmpFilesize
64KB
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memory/756-4902-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/756-4901-0x0000000007270000-0x000000000727A000-memory.dmpFilesize
40KB
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memory/756-4900-0x0000000006FA0000-0x000000000703C000-memory.dmpFilesize
624KB
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memory/756-4899-0x0000000006EB0000-0x0000000006F00000-memory.dmpFilesize
320KB
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memory/756-4898-0x0000000006E10000-0x0000000006EA2000-memory.dmpFilesize
584KB
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memory/3840-38-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-50-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-12-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-14-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-16-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-18-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-20-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-22-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-24-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-26-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-28-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-30-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-32-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-34-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-36-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-8-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-40-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-42-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-44-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-46-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-48-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-10-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-52-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-54-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-56-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-58-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-60-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-62-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-64-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-66-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-3633-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/3840-4884-0x0000000002790000-0x00000000027A0000-memory.dmpFilesize
64KB
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memory/3840-4885-0x0000000005400000-0x0000000005401000-memory.dmpFilesize
4KB
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memory/3840-6-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-4-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-3-0x0000000004DB0000-0x0000000004FDA000-memory.dmpFilesize
2.2MB
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memory/3840-2-0x0000000004DB0000-0x0000000004FE0000-memory.dmpFilesize
2.2MB
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memory/3840-1-0x0000000000170000-0x0000000000448000-memory.dmpFilesize
2.8MB
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memory/3840-0-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/3840-4886-0x0000000005540000-0x00000000055AC000-memory.dmpFilesize
432KB
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memory/3840-4887-0x00000000055B0000-0x00000000055FC000-memory.dmpFilesize
304KB
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memory/3840-4888-0x0000000005E90000-0x0000000006434000-memory.dmpFilesize
5.6MB
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memory/3840-4889-0x00000000056D0000-0x0000000005724000-memory.dmpFilesize
336KB
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memory/3840-4894-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB