Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 02:01
Static task
static1
Behavioral task
behavioral1
Sample
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
Resource
win10v2004-20240508-en
General
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Target
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
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Size
755KB
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MD5
69eb8a758814ce93b09578f47aba4c19
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SHA1
66850a40b2b77f8f89f8882a5f8aecc87110945e
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SHA256
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
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SHA512
df1d61ea9f993b311949e7cef7137c52fe367c75fe6bfa1a6c524376c5894f3c8f94b687814a769a44e83e626556bcf4b8b12f5d72b7924e220012d332eaaeae
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SSDEEP
12288:4bKDA7hW9s72Rw4iJQPxUCbwlM5cd39KKcZuoni5Y2rKDEbnv77PACR5leZlN2b:4bPWO7D4iJq0lM5EQzjngLHDDA+erob
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.alitextile.com - Port:
587 - Username:
[email protected] - Password:
Myname@321 - 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/4372-10-0x0000000000400000-0x0000000000442000-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/4372-10-0x0000000000400000-0x0000000000442000-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/4372-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4372-10-0x0000000000400000-0x0000000000442000-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/4372-10-0x0000000000400000-0x0000000000442000-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/4372-10-0x0000000000400000-0x0000000000442000-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/4372-10-0x0000000000400000-0x0000000000442000-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.
Processes:
flow ioc 6 api.ipify.org 10 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exedescription pid process target process PID 2900 set thread context of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exepid process 4372 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe 4372 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exedescription pid process Token: SeDebugPrivilege 4372 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exepid process 4372 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exedescription pid process target process PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe PID 2900 wrote to memory of 4372 2900 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4372
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4604,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:81⤵PID:4036
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\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3