Analysis
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max time kernel
140s -
max time network
149s -
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 13:35
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe
Resource
win10v2004-20231130-en
General
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Target
SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe
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Size
34KB
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MD5
f11f4091d6316cc4cc359c411d014df5
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SHA1
0586fcf24376475f42ebcbb4cd9ea017a0450ac4
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SHA256
aa3d6760a1c5dbfcf7407c4e69f853b33f882cfc17daee6f18e037ed3a763e11
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SHA512
770ace08649a7f9862fb57e241dceae4ddafb8f501e0e732b3de7f1392371d49faf987437f649e45839d6425085c7e4224beb103679d84009b5403ba793d1704
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SSDEEP
384:5Z4c1yx/Et5nYPLpFzDGiFzDGe8JN77hh+b:LyxMt5EBDGiBDGZ3h0b
Malware Config
Extracted
Protocol: smtp- Host:
server1.sqsendy.shop - Port:
587 - Username:
[email protected] - Password:
{f];qthoiBBW
Extracted
agenttesla
Protocol: smtp- Host:
server1.sqsendy.shop - Port:
587 - Username:
[email protected] - Password:
{f];qthoiBBW - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/4568-3-0x0000000005BD0000-0x0000000005C78000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-4-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-13-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-15-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-11-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-19-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-17-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-21-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-9-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-29-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-27-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-25-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-23-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-7-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-33-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-31-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-37-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-49-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-51-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-53-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-47-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-45-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-43-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-41-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-59-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-67-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-65-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-63-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-61-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-57-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-55-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-39-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-35-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 behavioral2/memory/4568-5-0x0000000005BD0000-0x0000000005C73000-memory.dmp family_zgrat_v1 -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Polsglj = "C:\\Users\\Admin\\AppData\\Roaming\\Polsglj.exe" SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 37 api.ipify.org 38 api.ipify.org 40 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4568 set thread context of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4336 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 4336 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe Token: SeDebugPrivilege 4336 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97 PID 4568 wrote to memory of 4336 4568 SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4336
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.DownLoaderNET.887.13436.exe.log
Filesize1KB
MD5489c7565f9b029ba9fadff774073cc98
SHA156c05089b33ee7e7dfa9e6a2d098164efd8e1150
SHA25610bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4
SHA512ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac