Analysis
-
max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2023 12:56
Static task
static1
Behavioral task
behavioral1
Sample
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Resource
win10v2004-20220812-en
General
-
Target
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
-
Size
910KB
-
MD5
e2f700dd4f26b02938dabb237b0dbe46
-
SHA1
b7f8e51419c9c0d1669bb5f447274697b4548c4c
-
SHA256
656b4aca18598d0fc4b53fa2585745d48498ced7d027e115643c7e50a5d92b9d
-
SHA512
2b88e4041fd1c9de4d5b618529cb100d7e63623a432fed3f205b8aa3bab3e95a47c864c86635cb040463b621435188a1c8c9103c0c1ba6cb851f861886df2a70
-
SSDEEP
12288:nE/V28nss0h0Pj9ggKdG+PVogHOpi5L7P++FrdvhXuJl9PsMgGTmy9Ph0:nEN28e6JIdGxq7P+wBhOeyM
Malware Config
Extracted
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
sales@qualitysolutions.co.in - Password:
9873335231
Extracted
agenttesla
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
sales@qualitysolutions.co.in - Password:
9873335231 - Email To:
marketing@shaktiinstrumentations.in
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Drops file in Drivers directory 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation b7f8e51419c9c0d1669bb5f447274697b4548c4c.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
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe" b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription pid process target process PID 448 set thread context of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
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.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exepid process 4292 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe 4292 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription pid process Token: SeDebugPrivilege 4292 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription pid process target process PID 448 wrote to memory of 2000 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe schtasks.exe PID 448 wrote to memory of 2000 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe schtasks.exe PID 448 wrote to memory of 2000 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe schtasks.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe PID 448 wrote to memory of 4292 448 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
outlook_office_path 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe -
outlook_win_path 1 IoCs
Processes:
b7f8e51419c9c0d1669bb5f447274697b4548c4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe"C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OiDoZiiA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF36D.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe.logFilesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
-
C:\Users\Admin\AppData\Local\Temp\tmpF36D.tmpFilesize
1KB
MD54864784c8f5567e40fbdf0cf6bca6e58
SHA153ffa70bd6dd228f12df44db8fe282f33ae89e63
SHA256cf151623080040f7c096abfa4bceff851d20acce2f2f6abc2c92a91fa88441ef
SHA51263fca57b5b39e29d5e536bf483e82db6b1c588b9182a70927d020e7d74efd67a9381f67860152e56badf6eec4aaf11c715101e18870e2f3ea19fb73fb6a2a0c1
-
memory/448-133-0x00000000057F0000-0x000000000588C000-memory.dmpFilesize
624KB
-
memory/448-134-0x00000000060C0000-0x0000000006664000-memory.dmpFilesize
5.6MB
-
memory/448-135-0x00000000059C0000-0x0000000005A52000-memory.dmpFilesize
584KB
-
memory/448-136-0x00000000058C0000-0x00000000058CA000-memory.dmpFilesize
40KB
-
memory/448-137-0x0000000005A60000-0x0000000005AB6000-memory.dmpFilesize
344KB
-
memory/448-132-0x0000000000DB0000-0x0000000000E9A000-memory.dmpFilesize
936KB
-
memory/2000-138-0x0000000000000000-mapping.dmp
-
memory/4292-141-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/4292-140-0x0000000000000000-mapping.dmp
-
memory/4292-143-0x0000000006520000-0x0000000006586000-memory.dmpFilesize
408KB
-
memory/4292-144-0x0000000006C30000-0x0000000006C80000-memory.dmpFilesize
320KB