Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2023, 10:03
Static task
static1
Behavioral task
behavioral1
Sample
6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe
Resource
win10v2004-20230220-en
General
-
Target
6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe
-
Size
881KB
-
MD5
9323f6766a811d050994e2b7b257ed15
-
SHA1
08164a5234d1ae8cee32c6ce2de87eeeadf370e5
-
SHA256
6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32
-
SHA512
67f7b3369bd4cc11c7fdecdcf476ecf21eba2d344dad46885800dbfec6a30058a527b9d3a79fa8154be375815f59c8020082f4901c8f87fd1977c89c2b589458
-
SSDEEP
12288:LtqcgTfx4QRBzk4VKk5k5PESZ/Yb0WH76ZNJwcedWtDS8kdm4S:Ltq3ZTkBSK8SxjXZNJwceAtOTdm
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5485592061:AAFXLAJZi00wLSmwdnQ11cTy0wiGRMBvIbc/
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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.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 36 api.ipify.org 37 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1944 set thread context of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 -
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 1280 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4168 powershell.exe 4168 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 3760 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3760 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1944 wrote to memory of 4168 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 94 PID 1944 wrote to memory of 4168 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 94 PID 1944 wrote to memory of 4168 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 94 PID 1944 wrote to memory of 1280 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 96 PID 1944 wrote to memory of 1280 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 96 PID 1944 wrote to memory of 1280 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 96 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 PID 1944 wrote to memory of 3760 1944 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe"C:\Users\Admin\AppData\Local\Temp\6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oEgQjYzx.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oEgQjYzx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B96.tmp"2⤵
- Creates scheduled task(s)
PID:1280
-
-
C:\Users\Admin\AppData\Local\Temp\6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe"C:\Users\Admin\AppData\Local\Temp\6b6b85844a881ca03a5b863660a18a9085714135b0bc25c5db9db98ab5a0cc32.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3760
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5ee36d4d255fc5b26cf75270fbc837402
SHA1164ad6a3843d867dc874b823b5d5478306c41849
SHA256ffb77120a00a94e2243d9f74ddc2cf12c2a5fc7ec24a333526fe95101c3e6cf7
SHA512ed8ffb9a91f0b31dce672c714f7c9a5a4b88a6c99c98a51bf5a378716d935828f576eeeae9de7bb73f19b5702c299b5e171eb6a1520df04084815c6285ba6dfc