Analysis
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max time kernel
120s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-05-2024 14:34
Static task
static1
Behavioral task
behavioral1
Sample
RFQ10675000162Doc.7z
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
RFQ10675000162Doc.7z
Resource
win10v2004-20240508-en
General
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Target
RFQ10675000162Doc.7z
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Size
1.7MB
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MD5
2471e9d267119c5e303ac4ba7cf13806
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SHA1
9a3bba80df896eaf7e7e3cd77ffb50a2ff1d2d6a
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SHA256
00e715ce64eb10038453c97389c966f1940251b4422bc488b782fd8af4c761ed
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SHA512
3eef3cb75acf7875a7d62ef88177ee6f0287f1022a50085dcb997e119a6c4091e539912e81bafc0f093fbf1867f61a29950aedb591e8a57103d3179171e31923
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SSDEEP
49152:/hCphg4tRB+dFk6toKYB1j2Ca608LI/JoCROC:/hCpL+db2KmVgCI3R/
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
d9GOyTceXsMT - 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 behavioral1/memory/2596-37-0x0000000006110000-0x0000000006340000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-38-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-45-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-47-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-51-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-101-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-99-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-97-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-95-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-93-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-91-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-89-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-87-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-85-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-83-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-81-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-79-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-77-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-75-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-73-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-71-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-69-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-67-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-65-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-63-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-61-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-59-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-57-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-55-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-53-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-49-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-43-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-42-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 behavioral1/memory/2596-39-0x0000000006110000-0x000000000633A000-memory.dmp family_zgrat_v1 -
Executes dropped EXE 2 IoCs
pid Process 2596 RFQ10675000162.exe 3188 RFQ10675000162.exe -
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\oouvef = "C:\\Users\\Admin\\AppData\\Roaming\\oouvef.exe" RFQ10675000162.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 5 api.ipify.org 6 api.ipify.org 7 ip-api.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2596 set thread context of 3116 2596 RFQ10675000162.exe 31 PID 3188 set thread context of 1836 3188 RFQ10675000162.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2564 7zFM.exe 3116 RegAsm.exe 3116 RegAsm.exe 2564 7zFM.exe 1836 RegAsm.exe 1836 RegAsm.exe 2564 7zFM.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2564 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeRestorePrivilege 2564 7zFM.exe Token: 35 2564 7zFM.exe Token: SeSecurityPrivilege 2564 7zFM.exe Token: SeDebugPrivilege 2596 RFQ10675000162.exe Token: SeSecurityPrivilege 2564 7zFM.exe Token: SeDebugPrivilege 2596 RFQ10675000162.exe Token: SeDebugPrivilege 3116 RegAsm.exe Token: SeDebugPrivilege 3188 RFQ10675000162.exe Token: SeDebugPrivilege 3188 RFQ10675000162.exe Token: SeDebugPrivilege 1836 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2564 7zFM.exe 2564 7zFM.exe 2564 7zFM.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1340 wrote to memory of 2564 1340 cmd.exe 29 PID 1340 wrote to memory of 2564 1340 cmd.exe 29 PID 1340 wrote to memory of 2564 1340 cmd.exe 29 PID 2564 wrote to memory of 2596 2564 7zFM.exe 30 PID 2564 wrote to memory of 2596 2564 7zFM.exe 30 PID 2564 wrote to memory of 2596 2564 7zFM.exe 30 PID 2564 wrote to memory of 2596 2564 7zFM.exe 30 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2596 wrote to memory of 3116 2596 RFQ10675000162.exe 31 PID 2564 wrote to memory of 3188 2564 7zFM.exe 32 PID 2564 wrote to memory of 3188 2564 7zFM.exe 32 PID 2564 wrote to memory of 3188 2564 7zFM.exe 32 PID 2564 wrote to memory of 3188 2564 7zFM.exe 32 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36 PID 3188 wrote to memory of 1836 3188 RFQ10675000162.exe 36
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\RFQ10675000162Doc.7z1⤵
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\RFQ10675000162Doc.7z"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Users\Admin\AppData\Local\Temp\7zO40A72986\RFQ10675000162.exe"C:\Users\Admin\AppData\Local\Temp\7zO40A72986\RFQ10675000162.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3116
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C:\Users\Admin\AppData\Local\Temp\7zO40A4EAF6\RFQ10675000162.exe"C:\Users\Admin\AppData\Local\Temp\7zO40A4EAF6\RFQ10675000162.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1836
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.6MB
MD5bdac6ecf5c7f3ae57414eb01e643f96b
SHA1a931d7d7b4471c39e37c14369373aa0bc4d5ad2e
SHA25650e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a
SHA5129a021ae8bf9bb33a7055224bc50a7206bc16fc2358299b52b31837c106195eec4c1695260307a7a95c919d3fd9cb21c28112ed3c9f9c51490191ee0b4159a27e