Analysis
- max time kernel
143s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
15/05/2023, 11:39
Static task
static1
Behavioral task
behavioral1
Sample
Rh95MTKkXe3KdYO.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Rh95MTKkXe3KdYO.exe
Resource
win10v2004-20230220-en
General
- Target Rh95MTKkXe3KdYO.exe
- Size 563KB
- Sample230515-nsawesfb22
- SHA256 27981353e3464d563e3395e623e4a3207f4f9bb968a4e207bc8e6cac2971af98
- MD5 0063c31e4e44a7d174e28814cce651f2
- SHA1 72c8cf972f99c47e898d056dc0c5337f5bfb2503
- SHA512 cbe3bb595bb0f022549db88d833ca7624de8b530ddcf4ecec1bf188765519216c68f16ef8ba9a742eaea480e69e56921562f863f074f0d38f1ced364a25f01c7
- SSDEEP 12288:MNysSBo8qEnIraYmRd7IqQHeqRo26WIa:b6EtRdkjHFoZWI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5474174071:AAHlV4cw4zvSgwgRjR7s8E5ZbyzghXny9w4/sendMessage?chat_id=6143595836
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3824-146-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - 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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation Rh95MTKkXe3KdYO.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rh95MTKkXe3KdYO.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rh95MTKkXe3KdYO.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rh95MTKkXe3KdYO.exe - 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 65 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3344 set thread context of 3824 3344 Rh95MTKkXe3KdYO.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2280 schtasks.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3344 Rh95MTKkXe3KdYO.exe 3344 Rh95MTKkXe3KdYO.exe 3344 Rh95MTKkXe3KdYO.exe 3344 Rh95MTKkXe3KdYO.exe 3344 Rh95MTKkXe3KdYO.exe 3824 Rh95MTKkXe3KdYO.exe 5084 powershell.exe 5084 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3344 Rh95MTKkXe3KdYO.exe Token: SeDebugPrivilege 3824 Rh95MTKkXe3KdYO.exe Token: SeDebugPrivilege 5084 powershell.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3344 wrote to memory of 5084 3344 Rh95MTKkXe3KdYO.exe 91 PID 3344 wrote to memory of 5084 3344 Rh95MTKkXe3KdYO.exe 91 PID 3344 wrote to memory of 5084 3344 Rh95MTKkXe3KdYO.exe 91 PID 3344 wrote to memory of 2280 3344 Rh95MTKkXe3KdYO.exe 93 PID 3344 wrote to memory of 2280 3344 Rh95MTKkXe3KdYO.exe 93 PID 3344 wrote to memory of 2280 3344 Rh95MTKkXe3KdYO.exe 93 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 PID 3344 wrote to memory of 3824 3344 Rh95MTKkXe3KdYO.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rh95MTKkXe3KdYO.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rh95MTKkXe3KdYO.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Rh95MTKkXe3KdYO.exe"C:\Users\Admin\AppData\Local\Temp\Rh95MTKkXe3KdYO.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EahJbcQtoPlapT.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EahJbcQtoPlapT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp513D.tmp"2⤵
- Creates scheduled task(s)
PID:2280
-
-
C:\Users\Admin\AppData\Local\Temp\Rh95MTKkXe3KdYO.exe"C:\Users\Admin\AppData\Local\Temp\Rh95MTKkXe3KdYO.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3824
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iu1p033k.eo1.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp513D.tmp
- Size 1KB
- SHA256 bf50859784469e4336b1306855ffed473f0e286af40230f88b11f6eee82f72ce
- MD5 7bade41a98690fdf600146b574f0003a
- SHA1 90c233b51e92478fd4304d4b9b816af67f82226b
- SHA512 7a33ac392de64cf8ca96aadcc572eb25e4f9f484cdc2cac1cba02cd2aa5a33adbefdc9cc061b4abe15cda74e8c64a8f3ffc478c2a58f12ad6259a608789ee884
- MD5 SHA1 SHA512