Analysis
- max time kernel
83s - max time network
148s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:56
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target gunzipped.exe
- Size 651KB
- Sample201109-xtk7src6va
- SHA256 0d2a1e1ae63f88fe43639ddcec25db83eef70cc09ed98403f570fb61293fcf2f
- MD5 056779505e918821f7c8eea853a3aede
- SHA1 50547be0f9807212ad045cbde8b95ead9abc56bd
- SHA512 e6dab6cb7942936ce04952261853d89a3c5eb657035d015221456292fa29330a98d27c76a5faf1069101acc9e545e2f375258ef0325e83b25e061b41d7afd9fc
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.flood-protection.org
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Port
587
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Username
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Password
sepp2424@
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.flood-protection.org
-
Port
587
-
Username
-
Password
sepp2424@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/1316-10-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/1316-11-0x000000000044C98E-mapping.dmp family_agenttesla - Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral2/memory/3412-3-0x00000000015A0000-0x00000000015AF000-memory.dmp agile_net - 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 3412 set thread context of 1316 3412 gunzipped.exe 79 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3412 gunzipped.exe 3412 gunzipped.exe 3412 gunzipped.exe 1316 gunzipped.exe 1316 gunzipped.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3412 gunzipped.exe Token: SeDebugPrivilege 1316 gunzipped.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 3412 wrote to memory of 1316 3412 gunzipped.exe 79 PID 1316 wrote to memory of 3492 1316 gunzipped.exe 81 PID 1316 wrote to memory of 3492 1316 gunzipped.exe 81 PID 1316 wrote to memory of 3492 1316 gunzipped.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3492
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