Analysis
- max time kernel
64s - max time network
69s - platform
windows7_x64 - resource
win7 - submitted
10/07/2020, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
Contract.exe
Resource
win7
0 signatures
0 seconds
General
- Target Contract.exe
- Size 819KB
- Sample200710-84g7fevete
- SHA256 e47f1419ace154d1aa7057058e82c5cc21326f1e9502328588261cb31eb0a372
- MD5 d0d324c74d99f0c66256b0143a65f78b
- SHA1 c0685e909a2662a1f37733a710a9b9be5ca0c92a
- SHA512 a3859b8681838a4535143aa03b49f5a6239f427b6414b4677c2ad281e1e57ad5cda8900efd15fcd51624f192e7aa6579caa3e6ce050765a09ed41a62820266f8
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.kgroupindia.com
-
Port
587
-
Username
-
Password
KgrP@764.@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/308-3-0x0000000000400000-0x00000000004A4000-memory.dmp family_agenttesla behavioral1/memory/308-4-0x00000000003B0000-0x00000000003FC000-memory.dmp family_agenttesla behavioral1/memory/308-6-0x00000000002C0000-0x0000000000306000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/308-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral1/memory/308-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral1/memory/308-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx - 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 SetThreadContext 1 IoCs
description pid Process procid_target PID 284 set thread context of 308 284 Contract.exe 24 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 284 Contract.exe 308 Contract.exe 308 Contract.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 284 Contract.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 308 Contract.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 284 wrote to memory of 308 284 Contract.exe 24 PID 284 wrote to memory of 308 284 Contract.exe 24 PID 284 wrote to memory of 308 284 Contract.exe 24 PID 284 wrote to memory of 308 284 Contract.exe 24
Processes
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:284 -
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:308
-