Analysis
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max time kernel
140s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 01:05
Static task
static1
Behavioral task
behavioral1
Sample
94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe
Resource
win7-20231129-en
General
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Target
94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe
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Size
225KB
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MD5
d3fd0e798deff5aa9393c62e5c8a65ea
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SHA1
e1258548f0852d61e74edf2309b33677cb5f46f4
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SHA256
94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043
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SHA512
d0704aab4eaf0dfb5b8c0985a4127de4ed06c57e5c0e0ebcf6286b36d2be48fd43aaad45c53c295fdc88f4c2fcdfc15ddeb4116a86bcb2ea3f79c211f74536ab
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SSDEEP
3072:nyAGbQw5tKM/717/wUPnS21mQbnc+BR0pKREX/WONBuwrhmc7U1iIyxmIhNXOXcU:b5+d6uwrhmFkrFjn3AgeV
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
LYGKMOPuBVzZ
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
LYGKMOPuBVzZ - 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/4640-3-0x0000000005EF0000-0x0000000006120000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-15-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-13-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-29-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-33-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-55-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-59-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-69-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-67-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-65-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-63-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-61-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-57-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-53-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-51-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-49-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-47-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-45-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-43-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-41-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-39-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-37-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-35-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-31-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-25-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-27-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-19-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-17-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-11-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-9-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-7-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-23-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-21-0x0000000005EF0000-0x000000000611A000-memory.dmp family_zgrat_v1 behavioral2/memory/4640-6-0x0000000005EF0000-0x000000000611A000-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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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 31 api.ipify.org 32 api.ipify.org 33 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4640 set thread context of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4936 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 4936 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe Token: SeDebugPrivilege 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe Token: SeDebugPrivilege 4936 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95 PID 4640 wrote to memory of 4936 4640 94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe.log
Filesize1KB
MD5f3eb81974dc5933681e933f07209ff5f
SHA17af8cae0f1d03e82daaf784df9886705685baac7
SHA256e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2
SHA512d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff