Analysis
-
max time kernel
45s -
max time network
57s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 16:18
Static task
static1
General
-
Target
92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe
-
Size
614KB
-
MD5
a759e8c16420ac111730b3d85455c256
-
SHA1
884078bf38588730be94b28b8d5c3ada281a301f
-
SHA256
92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c
-
SHA512
cff0141b03ea3d995de2820070de6987560428d97b3be587194bf2cc3abf912576aea0a72c635f9784b9ae436ec2334ba63ca9ed2ffef2ae50dfd4cf6a1f9a9a
-
SSDEEP
12288:A3IU8S6eUdxD4vtaoAxdL3xgeLNu63RVJSw5KJ9rYT6IVva1Ec:+ItSAdxEjAxdDx3Nu63R9KvrY/Xc
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tecnosilos.com.py - Port:
587 - Username:
[email protected] - Password:
dX,@;SPvm;h{ - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 1 IoCs
resource yara_rule behavioral1/memory/712-6-0x0000000006240000-0x0000000006258000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Control Panel\International\Geo\Nation 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe -
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 712 set thread context of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5016 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3756 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 3756 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 3756 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 3756 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 3712 powershell.exe 3712 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3756 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe Token: SeDebugPrivilege 3712 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 712 wrote to memory of 3712 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 90 PID 712 wrote to memory of 3712 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 90 PID 712 wrote to memory of 3712 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 90 PID 712 wrote to memory of 5016 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 93 PID 712 wrote to memory of 5016 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 93 PID 712 wrote to memory of 5016 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 93 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94 PID 712 wrote to memory of 3756 712 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe"C:\Users\Admin\AppData\Local\Temp\92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:712 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UmViskfCi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3712
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UmViskfCi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7743.tmp"2⤵
- Creates scheduled task(s)
PID:5016
-
-
C:\Users\Admin\AppData\Local\Temp\92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe"C:\Users\Admin\AppData\Local\Temp\92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3756
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD504524fb8006bc1240de05ba4e0780e96
SHA128aaf826a486ddeea21dceb0a257e945e0718834
SHA256c830ec06d90ced611a7f0961f3f926fbb9eb7474f7f141d97cb4ed201d4d1e61
SHA51256199d3c36979dc190c441cfa9c4699643300c427913cd1c447669e85ba2cd390bc052cd2b9803604c20e99441b721a9599908cbc4bcde67945bd54747ca68e7