Analysis
- max time kernel
141s - max time network
147s - platform
windows10_x64 - resource
win10 - submitted
06/08/2020, 06:45
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE SHEET.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
INVOICE SHEET.exe
Resource
win10
0 signatures
0 seconds
General
- Target INVOICE SHEET.exe
- Size 844KB
- Sample200806-1dkn3z3fle
- SHA256 ec548e982f61e9ef1045cf3e0b8abdbc4f4cf6297d08a0dadf2ef9632a717708
- MD5 221fad7c972089dafdcc4ef8e09e6e00
- SHA1 fe88ddcf5de91b85c2641976d8391c5aed93050e
- SHA512 25aeb81d1e6ed1d26f408e6b33aafd03132fe806bcbbae54458d5fa3b77ca1c74a469b7044d64d95540f78fb4ca6679840870528c4727489a8a69692fbe19f9b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.makezimbetter.com
-
Port
587
-
Username
-
Password
Mah3r@34
Signatures
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1588 INVOICE SHEET.exe Token: SeDebugPrivilege 2932 INVOICE SHEET.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1588 INVOICE SHEET.exe 1588 INVOICE SHEET.exe 1588 INVOICE SHEET.exe 1588 INVOICE SHEET.exe 1588 INVOICE SHEET.exe 1588 INVOICE SHEET.exe 2932 INVOICE SHEET.exe 2932 INVOICE SHEET.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1588 set thread context of 2932 1588 INVOICE SHEET.exe 68 -
resource yara_rule behavioral2/memory/2932-1-0x000000000044705E-mapping.dmp agent_tesla behavioral2/memory/2932-0-0x0000000000400000-0x000000000044C000-memory.dmp agent_tesla behavioral2/memory/2932-0-0x0000000000400000-0x000000000044C000-memory.dmp agent_tesla - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1588 wrote to memory of 1008 1588 INVOICE SHEET.exe 67 PID 1588 wrote to memory of 1008 1588 INVOICE SHEET.exe 67 PID 1588 wrote to memory of 1008 1588 INVOICE SHEET.exe 67 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 PID 1588 wrote to memory of 2932 1588 INVOICE SHEET.exe 68 - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2932 INVOICE SHEET.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe"{path}"2⤵PID:1008
-
-
C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2932
-