Analysis
- max time kernel
107s - max time network
31s - platform
windows7_x64 - resource
win7 - submitted
19/10/2020, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
ebuka.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ebuka.exe
Resource
win10
0 signatures
0 seconds
General
- Target ebuka.exe
- Size 212KB
- Sample201019-p5wymc9fc2
- SHA256 a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d
- MD5 c1c88b89126cf3d8666400275d2f6b8c
- SHA1 0fdabb2ab789e43f6f6b0b2ac38616e7e7e3c153
- SHA512 dfc3387de5ae338abbfd504407b027eff3fd89baa89dce8f12eb60defdf18063430104ecf9b22dfc37e3cbfc70d64e230b8ffde002270c388044cf75d186b024
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.soaluga.pt
-
Port
587
-
Username
-
Password
Vw6@hLn7i^Ed
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1904-5-0x000000000043754E-mapping.dmp family_agenttesla behavioral1/memory/1904-4-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1904-6-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1904-7-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
pid Process 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1072 set thread context of 1904 1072 ebuka.exe 30 - Program crash 1 IoCs
pid pid_target Process procid_target 1868 1072 WerFault.exe 23 - Delays execution with timeout.exe 1 IoCs
pid Process 1544 timeout.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1072 ebuka.exe 1072 ebuka.exe 1072 ebuka.exe 1904 ebuka.exe 1904 ebuka.exe 1868 WerFault.exe 1868 WerFault.exe 1868 WerFault.exe 1868 WerFault.exe 1868 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1072 ebuka.exe Token: SeDebugPrivilege 1904 ebuka.exe Token: SeDebugPrivilege 1868 WerFault.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1072 wrote to memory of 1544 1072 ebuka.exe 25 PID 1072 wrote to memory of 1544 1072 ebuka.exe 25 PID 1072 wrote to memory of 1544 1072 ebuka.exe 25 PID 1072 wrote to memory of 1544 1072 ebuka.exe 25 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1904 1072 ebuka.exe 30 PID 1072 wrote to memory of 1868 1072 ebuka.exe 31 PID 1072 wrote to memory of 1868 1072 ebuka.exe 31 PID 1072 wrote to memory of 1868 1072 ebuka.exe 31 PID 1072 wrote to memory of 1868 1072 ebuka.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebuka.exe"C:\Users\Admin\AppData\Local\Temp\ebuka.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
PID:1544
-
-
C:\Users\Admin\AppData\Local\Temp\ebuka.exe"C:\Users\Admin\AppData\Local\Temp\ebuka.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 15482⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868
-