Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 13:43
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
Resource
win10v2004-20241007-en
General
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Target
Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
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Size
868KB
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MD5
2327e5c20b3cce0be582dbe461480cc2
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SHA1
42d14ae8b60e22f36f487d8c3bee1ad43199170f
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SHA256
97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1
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SHA512
01f3c2ee422ccb7db9acbedc078d0d485508443de3366959df5ab9c4cd5eb67ee5d0dca29ee45c9a09a1adc8509e6bd4b28bdfc325c2310091e960338273009e
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SSDEEP
24576:zBXaePxOLRTgnZZSS+5VKGIUuZfEfCk7nXFGxR3X3N:9XaePxOLJgnZ0SQVKGSYCGYxRH3N
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
nXe0M~WkW&nJ
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
nXe0M~WkW&nJ
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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 3552 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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 3 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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.
flow ioc 19 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1120 set thread context of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 -
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 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 1972 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 1972 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 3552 powershell.exe 3552 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe Token: SeDebugPrivilege 1972 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe Token: SeDebugPrivilege 3552 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1972 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1120 wrote to memory of 3552 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 89 PID 1120 wrote to memory of 3552 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 89 PID 1120 wrote to memory of 3552 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 89 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91 PID 1120 wrote to memory of 1972 1120 Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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:1120 -
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\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1972
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential 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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82