Analysis
-
max time kernel
114s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:46
Static task
static1
Behavioral task
behavioral1
Sample
Invoice 2078654.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Invoice 2078654.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
Invoice 4907856.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
Invoice 4907856.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral5
Sample
pictures.exe
Resource
win7-20220414-en
Behavioral task
behavioral6
Sample
pictures.exe
Resource
win10v2004-20220414-en
General
-
Target
Invoice 4907856.exe
-
Size
598KB
-
MD5
cfe01269c178fea11b28130dd457c43e
-
SHA1
589c257ca5f0be53af4160bbd67c6a4dd01c8ae6
-
SHA256
40cf3214cd412e73955af3a64b3e61691ec44f3ee6bd8031ea37e69dce07b393
-
SHA512
7077c264debdbc5aa67e5d183eeaeb827360ecd886cce8bb24a7d93733bb33fad392dff3d2aa5a8854d9ecef70cde94510504e9eed7a5c8bb2d5145763374087
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.privateemail.com - Port:
587 - Username:
[email protected] - Password:
coronavirus2020
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral3/memory/1300-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral3/memory/1300-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral3/memory/1300-65-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral3/memory/1300-66-0x000000000044767E-mapping.dmp family_agenttesla behavioral3/memory/1300-68-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral3/memory/1300-70-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice 4907856.exedescription pid process target process PID 1016 set thread context of 1300 1016 Invoice 4907856.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 1300 RegSvcs.exe 1300 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1300 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Invoice 4907856.exedescription pid process target process PID 1016 wrote to memory of 952 1016 Invoice 4907856.exe schtasks.exe PID 1016 wrote to memory of 952 1016 Invoice 4907856.exe schtasks.exe PID 1016 wrote to memory of 952 1016 Invoice 4907856.exe schtasks.exe PID 1016 wrote to memory of 952 1016 Invoice 4907856.exe schtasks.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe PID 1016 wrote to memory of 1300 1016 Invoice 4907856.exe RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice 4907856.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 4907856.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SvmSwTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9BD3.tmp"2⤵
- Creates scheduled task(s)
PID:952
-
-
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:1300
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD548769d93a79063b9e72e48d0d6ca9647
SHA1f093726a11041071e2f3fdaa65c579e81b3357ff
SHA256e63e9582b5b18f4c6fdceabf1183a5806bea51646221501229416eeb024a6ca0
SHA5120896aba51389d118b9c09d0176afd6fad9e77b9fe15decbb2060e9887bb0b40235666639febc6df35601784460e3f866d83a4659d6e276a46e86b59f23be6b85