Analysis
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max time kernel
94s -
max time network
123s -
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 02:40
Static task
static1
Behavioral task
behavioral1
Sample
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe
Resource
win10v2004-20240226-en
General
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Target
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe
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Size
822KB
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MD5
b1f42dab84b254f5595d45fd7282496f
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SHA1
71af03e51bbdded888dbb714c67c38809802a1c0
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SHA256
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558
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SHA512
70e855d62ec53c434306b2f2c63f988cef0c8ac2b7ba44ff0f88da26656f9c272e481aa4e6e42655bd23854b3e523418f8c4bd8f7d8375fe8588a24e90db8189
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SSDEEP
12288:ZfB+0YOwqOpd95DFtfxIX/kl1goC9yRqt42SfZqLxjAOLbz53bnO2Frs5r0U6+/H:yO7mTfxE/MlRp2SfZqLxUOLB3DO
Malware Config
Extracted
Protocol: smtp- Host:
mail.sintecno.gr - Port:
587 - Username:
[email protected] - Password:
k$&v8@,q0Pf#
Extracted
agenttesla
Protocol: smtp- Host:
mail.sintecno.gr - Port:
587 - Username:
[email protected] - Password:
k$&v8@,q0Pf# - 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/3960-10-0x0000000000400000-0x0000000000442000-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/3960-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4288-7-0x00000000053A0000-0x00000000053AC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3960-10-0x0000000000400000-0x0000000000442000-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/3960-10-0x0000000000400000-0x0000000000442000-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/3960-10-0x0000000000400000-0x0000000000442000-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/3960-10-0x0000000000400000-0x0000000000442000-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cUsRDu = "C:\\Users\\Admin\\AppData\\Roaming\\cUsRDu\\cUsRDu.exe" d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe -
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 34 api.ipify.org 35 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exedescription pid process target process PID 4288 set thread context of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exed0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exepid process 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe 3960 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe 3960 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exed0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exedescription pid process Token: SeDebugPrivilege 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe Token: SeDebugPrivilege 3960 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exepid process 3960 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exedescription pid process target process PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe PID 4288 wrote to memory of 3960 4288 d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe"C:\Users\Admin\AppData\Local\Temp\d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe"C:\Users\Admin\AppData\Local\Temp\d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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\d0dcfea187c2da840bfeba21de0b50952c97dc101065a93d94909e2975bfe558.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/3960-10-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3960-20-0x00000000057D0000-0x00000000057E0000-memory.dmpFilesize
64KB
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memory/3960-19-0x0000000074430000-0x0000000074BE0000-memory.dmpFilesize
7.7MB
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memory/3960-18-0x0000000006CE0000-0x0000000006D30000-memory.dmpFilesize
320KB
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memory/3960-15-0x00000000057D0000-0x00000000057E0000-memory.dmpFilesize
64KB
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memory/3960-16-0x00000000057E0000-0x0000000005846000-memory.dmpFilesize
408KB
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memory/3960-13-0x0000000074430000-0x0000000074BE0000-memory.dmpFilesize
7.7MB
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memory/4288-4-0x0000000007FB0000-0x0000000007FC0000-memory.dmpFilesize
64KB
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memory/4288-9-0x0000000006B70000-0x0000000006C0C000-memory.dmpFilesize
624KB
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memory/4288-8-0x0000000009330000-0x00000000093B2000-memory.dmpFilesize
520KB
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memory/4288-7-0x00000000053A0000-0x00000000053AC000-memory.dmpFilesize
48KB
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memory/4288-6-0x0000000005380000-0x000000000539A000-memory.dmpFilesize
104KB
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memory/4288-14-0x0000000074430000-0x0000000074BE0000-memory.dmpFilesize
7.7MB
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memory/4288-5-0x0000000007FE0000-0x0000000007FEA000-memory.dmpFilesize
40KB
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memory/4288-0-0x0000000000E90000-0x0000000000F64000-memory.dmpFilesize
848KB
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memory/4288-3-0x0000000007E20000-0x0000000007EB2000-memory.dmpFilesize
584KB
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memory/4288-2-0x00000000082D0000-0x0000000008874000-memory.dmpFilesize
5.6MB
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memory/4288-1-0x0000000074430000-0x0000000074BE0000-memory.dmpFilesize
7.7MB