Analysis
-
max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16/02/2023, 11:30
Static task
static1
Behavioral task
behavioral1
Sample
1f2cb6c9e03a40c8192769aa22098b5e.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
1f2cb6c9e03a40c8192769aa22098b5e.exe
Resource
win10v2004-20220812-en
General
-
Target
1f2cb6c9e03a40c8192769aa22098b5e.exe
-
Size
952KB
-
MD5
1f2cb6c9e03a40c8192769aa22098b5e
-
SHA1
671df2a28df26142a5c01dc9424e2c3e6b1cd6a5
-
SHA256
d47f545cf0b1dc2ad2418cbba327adad7ac578feebb219fa9084b7ea55ef2e79
-
SHA512
c93b99cb2f859bb723a1a1599f2a4711520bac1cc131fea07abe84bc4f04339e245edbd6c7e43ea2e68563678e7207358b38182a2fe7525b425ceda75b92f0c7
-
SSDEEP
12288:E6nffydd+FLAu1PD6Sww1xjOKQPY/DXUabhEXsx68eEQmYc9XVmTdcMEBAUZMybW:E6nnyaueDyKQPSDh8E0cRPMXyUS5Q
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5693068931:AAGSQSNIWDJM1FzeZVNHS020I9wVBrQdkRM/
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 1f2cb6c9e03a40c8192769aa22098b5e.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f2cb6c9e03a40c8192769aa22098b5e.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f2cb6c9e03a40c8192769aa22098b5e.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f2cb6c9e03a40c8192769aa22098b5e.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 46 api.ipify.org 47 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3016 set thread context of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2300 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5060 powershell.exe 4312 powershell.exe 5060 powershell.exe 4312 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 3380 1f2cb6c9e03a40c8192769aa22098b5e.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3016 wrote to memory of 4312 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 89 PID 3016 wrote to memory of 4312 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 89 PID 3016 wrote to memory of 4312 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 89 PID 3016 wrote to memory of 5060 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 91 PID 3016 wrote to memory of 5060 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 91 PID 3016 wrote to memory of 5060 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 91 PID 3016 wrote to memory of 2300 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 93 PID 3016 wrote to memory of 2300 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 93 PID 3016 wrote to memory of 2300 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 93 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 PID 3016 wrote to memory of 3380 3016 1f2cb6c9e03a40c8192769aa22098b5e.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f2cb6c9e03a40c8192769aa22098b5e.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f2cb6c9e03a40c8192769aa22098b5e.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f2cb6c9e03a40c8192769aa22098b5e.exe"C:\Users\Admin\AppData\Local\Temp\1f2cb6c9e03a40c8192769aa22098b5e.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3016 -
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\1f2cb6c9e03a40c8192769aa22098b5e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\csaumDXDY.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\csaumDXDY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA671.tmp"2⤵
- Creates scheduled task(s)
PID:2300
-
-
C:\Users\Admin\AppData\Local\Temp\1f2cb6c9e03a40c8192769aa22098b5e.exe"C:\Users\Admin\AppData\Local\Temp\1f2cb6c9e03a40c8192769aa22098b5e.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3380
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
18KB
MD5335c46dc530f5ee4db16c1408d7e37ca
SHA1aac9fbad9ed20b72d8141a14d920dae2427705d1
SHA2560766c885dba68805923a649b05adb6e390ed9a20dcca0c08d4a73fd3f80c64d7
SHA51258c2ca84c68f26cb46b5e4c79897286a4b1efbc7b0f4d93423be0e5dc0580ce56a679568e7131e47427c89bda4323d56295364588a507a85cdc7f733ae47d629
-
Filesize
1KB
MD598a30b5da11a676b271ea7b0df172187
SHA1c0e4da90c53846f858e0a46744da4a73c321947a
SHA2563b54f09f83411231ef4867a70ec4d8c0229e7fe87b4db13067a32ce39ab1b3fc
SHA51252f879d9261de6d5b828d41a66a9fc926a681ab3836975d993e7ba7033db9105d9da6220ba0182fe779a014c17fca2ff0acd320a26707c1f98c41d2a585f3b49