Analysis
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max time kernel
124s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
rQUu2eHuvuSOA1L.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
rQUu2eHuvuSOA1L.exe
Resource
win10v2004-20240802-en
General
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Target
rQUu2eHuvuSOA1L.exe
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Size
652KB
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MD5
999c2c940d0c49ab173cd107e6d5323c
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SHA1
8e14d16e2a7ca0e253203fbb9c44814d7ed6b3f4
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SHA256
3b318399e094b9024f2b6c8d92eff595a636b147b4bf240752e92a6bcd7b7fd8
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SHA512
5b3d480b1569a8780098cfe80a9ae3fda010d601979ed0973d1e86a1ee34003eedd21d5d1fe8c98fdba059da7ae7c6bd20f3c6cdbb309a2fc3c9e7d094e85d4d
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SSDEEP
12288:+SaxzV17d704jDHWOkAJbH4aQDbRE8hUrHmAxOqZysQpryO0Nsy9i72l:KzV1R7RH9kAZARUjSz3yOysykE
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
%qroUozO;(C2Rlyb
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
%qroUozO;(C2Rlyb - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4692 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation rQUu2eHuvuSOA1L.exe -
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.
flow ioc 19 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 4684 1728 rQUu2eHuvuSOA1L.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rQUu2eHuvuSOA1L.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rQUu2eHuvuSOA1L.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1728 rQUu2eHuvuSOA1L.exe 1728 rQUu2eHuvuSOA1L.exe 4684 rQUu2eHuvuSOA1L.exe 4684 rQUu2eHuvuSOA1L.exe 4692 powershell.exe 4692 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1728 rQUu2eHuvuSOA1L.exe Token: SeDebugPrivilege 4684 rQUu2eHuvuSOA1L.exe Token: SeDebugPrivilege 4692 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1728 wrote to memory of 4692 1728 rQUu2eHuvuSOA1L.exe 93 PID 1728 wrote to memory of 4692 1728 rQUu2eHuvuSOA1L.exe 93 PID 1728 wrote to memory of 4692 1728 rQUu2eHuvuSOA1L.exe 93 PID 1728 wrote to memory of 3688 1728 rQUu2eHuvuSOA1L.exe 95 PID 1728 wrote to memory of 3688 1728 rQUu2eHuvuSOA1L.exe 95 PID 1728 wrote to memory of 3688 1728 rQUu2eHuvuSOA1L.exe 95 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96 PID 1728 wrote to memory of 4684 1728 rQUu2eHuvuSOA1L.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"2⤵PID:3688
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C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82