Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-ja -
resource tags
-
submitted
01-10-2024 05:26
General
-
Target
お見積り依頼.exe
-
Size
630KB
-
MD5
728097746e8c33931674db66a3e707a1
-
SHA1
b3370f0d1f3627ef07e1f0a5ca0ecb29ba1d51b4
-
SHA256
40ea892bdc93f4572d6bf98bcfe64444b304d3295ac956b24756152fed8ed97e
-
SHA512
dd33fa59a0bfa914c55edcc15db3e5220f75cdae4dcf0ae549792970e558b80e486a9942c93d9f7673edc17a33ddb184ea65445b8ae001d2155620da36a4dcf8
-
SSDEEP
12288:/R1/lvG0+2fXd+aP7zsCbgZpsLIStlsZifh:/zQ9VaPExeISwa
Malware Config
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
-
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory 1 IoCs
-
Suspicious use of SetThreadContext 2 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious behavior: EnumeratesProcesses 12 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of FindShellTrayWindow 1 IoCs
-
Suspicious use of SetWindowsHookEx 2 IoCs
-
Suspicious use of WriteProcessMemory 22 IoCs
-
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.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
-
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\お見積り依頼.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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\お見積り依頼.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
18KB
MD595b2d7fd09b29a61b22507510808f410
SHA172fed74412badf9c36f47a5bc08de437c2e1116d
SHA256fb664305d0df1f1368072607955e95984888a7bee49c76699dd58926798a81de
SHA5128d7c4291f58d87f0ce6ae5786db562179d58ca19905ee41706f88ac43cf025fc10647cc58d262275ad99dd36db3173ed3570dac34007245d31bc83fadeb09931
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
136KB
-
Filesize
1.1MB
-
Filesize
56KB
-
Filesize
1.6MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
1.8MB
-
Filesize
152KB
-
Filesize
7.7MB
-
Filesize
80KB
-
Filesize
4KB
-
Filesize
1.1MB
-
Filesize
648KB
-
Filesize
5.6MB
-
Filesize
584KB
-
Filesize
40KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
4KB
-
Filesize
624KB
-
Filesize
424KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
3.3MB
-
Filesize
80KB
-
Filesize
304KB
-
Filesize
304KB
-
Filesize
652KB
-
Filesize
68KB
-
Filesize
216KB
-
Filesize
40KB
-
Filesize
320KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
-
Filesize
32KB
-
Filesize
7.7MB
-
Filesize
104KB
-
Filesize
6.5MB
-
Filesize
652KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
64KB
-
Filesize
3.3MB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
7.7MB
-
Filesize
584KB
-
Filesize
6.2MB
-
Filesize
7.7MB