Analysis
-
max time kernel
133s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:36
Static task
static1
Behavioral task
behavioral1
Sample
Quotation_2817.PDF....exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Quotation_2817.PDF....exe
Resource
win10v2004-20220414-en
General
-
Target
Quotation_2817.PDF....exe
-
Size
833KB
-
MD5
92f3335d62d0fd3237481ee357c5c4b0
-
SHA1
2b1dcc3d5076af52f78befbf332d56349d1a6b0f
-
SHA256
c9a1de280156ec597ed843bb47c13fcc149914f9e7740604a1d834a9d033beb7
-
SHA512
5d7ea8d48f3c99205ce781ddf3d59175ac10f47421c34885f6384b521622820a7a130223f661e860197b2f7f73008a2c670835776f2f09c888465cba58d5e33e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bosut.mk - Port:
587 - Username:
[email protected] - Password:
0XsKEemhd6EE
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1960-65-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla behavioral1/memory/1960-66-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla behavioral1/memory/1960-64-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla behavioral1/memory/1960-67-0x000000000045FC2E-mapping.dmp family_agenttesla behavioral1/memory/1960-71-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla behavioral1/memory/1960-69-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Quotation_2817.PDF....exedescription pid process target process PID 1556 set thread context of 1960 1556 Quotation_2817.PDF....exe RegSvcs.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:
RegSvcs.exepid process 1960 RegSvcs.exe 1960 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1960 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Quotation_2817.PDF....exedescription pid process target process PID 1556 wrote to memory of 572 1556 Quotation_2817.PDF....exe schtasks.exe PID 1556 wrote to memory of 572 1556 Quotation_2817.PDF....exe schtasks.exe PID 1556 wrote to memory of 572 1556 Quotation_2817.PDF....exe schtasks.exe PID 1556 wrote to memory of 572 1556 Quotation_2817.PDF....exe schtasks.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe PID 1556 wrote to memory of 1960 1556 Quotation_2817.PDF....exe RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe"C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bvEQvLDvFAJqv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC746.tmp"2⤵
- Creates scheduled task(s)
PID:572
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5e61454d216af5e0dfa41e30cc3d33bdd
SHA132b37e3eaaf01b6bd21c091e6943cbe8f9fc0658
SHA2565efc891e090965f573c4a9c149a61fb2e4f3a7a26a29be23a3278461e57eafc0
SHA512452029656882e09c88bebf4f9cbaeb1aebdf2cd8c6731b4c7c92074194f634725c122575070ce18741e6dc4997c890f01f55ff378bda025d2770d3b04f92ab99