Analysis
- max time kernel
139s - max time network
110s - platform
windows10_x64 - resource
win10v200722 - submitted
06/10/2020, 12:04
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Proforma Invoice.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target Proforma Invoice.exe
- Size 652KB
- Sample201006-ya3a6lr2v2
- SHA256 d5e9d940acb96f85e1adb23b7ba12ef45487b995e304f3b2a5b577b4b37d52fd
- MD5 ae9e5015de3a59abc45ba174db8afe59
- SHA1 0cacfc7662d0c5d84317f214cd90d6170a1d291c
- SHA512 df244a857cb6cdb35f94ce8c4feb75020f7be17fd030ae20fe788688592362f0a0b755e2aa9da9b8d13a440b7be2a21ccd8f31faee8e033d324572d6d6ae8581
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.hybridgroupco.com
-
Port
587
-
Username
-
Password
Obinna123@@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3380-3-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3380-4-0x00000000004374CE-mapping.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 SetThreadContext 1 IoCs
description pid Process procid_target PID 3816 set thread context of 3380 3816 Proforma Invoice.exe 77 - 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.
pid Process 3940 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3816 Proforma Invoice.exe 3816 Proforma Invoice.exe 3816 Proforma Invoice.exe 3380 Proforma Invoice.exe 3380 Proforma Invoice.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3816 Proforma Invoice.exe Token: SeDebugPrivilege 3380 Proforma Invoice.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3816 wrote to memory of 3940 3816 Proforma Invoice.exe 75 PID 3816 wrote to memory of 3940 3816 Proforma Invoice.exe 75 PID 3816 wrote to memory of 3940 3816 Proforma Invoice.exe 75 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77 PID 3816 wrote to memory of 3380 3816 Proforma Invoice.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zZgzBDVv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F9A.tmp"2⤵
- Creates scheduled task(s)
PID:3940
-
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3380
-