Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 01:21
Static task
static1
Behavioral task
behavioral1
Sample
CREDIT NOTE.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
CREDIT NOTE.exe
Resource
win10v2004-20240412-en
General
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Target
CREDIT NOTE.exe
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Size
827KB
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MD5
44b581457172335dd3903c5bf659a035
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SHA1
9415e8affeae395c04046a9189414b4787291f14
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SHA256
8b3133696ef1e7609974f8084f6ca977ab74db7c688fa7b8df83b2e9231f1764
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SHA512
e76c5f05cc83f43f6adfe490df29e6514c1f5b8428ac878a92300b36053fcef1bd987969ddcc8c3ea7c25ffa58cf287456b462f1cbba39f5e3392cc65403035a
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SSDEEP
12288:T9CF9WMGkyCehy9LdriuW3hny6SNZX2/paka16cMRTjfxwNGNUt842vB8x8xqirq:ZC2MreQLMrF/pa1yRTbNey42vudgZM
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.unitechautomations.com - Port:
587 - Username:
[email protected] - Password:
Unitech@123 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CREDIT NOTE.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation CREDIT NOTE.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GUIVTme = "C:\\Users\\Admin\\AppData\\Roaming\\GUIVTme\\GUIVTme.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CREDIT NOTE.exedescription pid process target process PID 5100 set thread context of 2308 5100 CREDIT NOTE.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
CREDIT NOTE.exepowershell.exepowershell.exeRegSvcs.exepid process 5100 CREDIT NOTE.exe 5100 CREDIT NOTE.exe 5100 CREDIT NOTE.exe 4308 powershell.exe 4308 powershell.exe 3556 powershell.exe 3556 powershell.exe 5100 CREDIT NOTE.exe 5100 CREDIT NOTE.exe 2308 RegSvcs.exe 2308 RegSvcs.exe 2308 RegSvcs.exe 4308 powershell.exe 3556 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
CREDIT NOTE.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 5100 CREDIT NOTE.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 2308 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
CREDIT NOTE.exedescription pid process target process PID 5100 wrote to memory of 3556 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 3556 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 3556 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 4308 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 4308 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 4308 5100 CREDIT NOTE.exe powershell.exe PID 5100 wrote to memory of 1260 5100 CREDIT NOTE.exe schtasks.exe PID 5100 wrote to memory of 1260 5100 CREDIT NOTE.exe schtasks.exe PID 5100 wrote to memory of 1260 5100 CREDIT NOTE.exe schtasks.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe PID 5100 wrote to memory of 2308 5100 CREDIT NOTE.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CREDIT NOTE.exe"C:\Users\Admin\AppData\Local\Temp\CREDIT NOTE.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\CREDIT NOTE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\itqsdfDZLZo.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\itqsdfDZLZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D4E.tmp"2⤵
- Creates scheduled task(s)
PID:1260 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308
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\powershell.exe.logFilesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
18KB
MD585751f31cdd1a606cb149d93550a80a2
SHA101cccd213df1fed1393e05db36c033a966219976
SHA256d7f992c03c35cf2b9beb8bdd407712005d4c3c19ecfb5310df07b81ad4318ebe
SHA512b4b67118bfca85db6cbb09ff33f14711c2471297d02822b6e35ccffb71373b05e49d210b58136cd0e3132fe1dfff416339302a94817e0cb16b996a4d7345b26c
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_230cf4n4.b5p.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp7D4E.tmpFilesize
1KB
MD5e941758a3da617c95eabd74a04e43f28
SHA191cf29487702576ae7154ddb7375969e5f1a7c8e
SHA256111d3930ec45607eaf44ccecbb4a14ff17838e1ca9214ea97a3892b13357258a
SHA512b7a6ed49f0a2fd89cc44ec1b3bce693ca01183dcde120353d57eeaf57775fa9a96b0b9e35577f549282e0e9098da38958ec4d1c5708dacc6f3ea8c248e5e6010
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memory/2308-99-0x0000000005500000-0x0000000005510000-memory.dmpFilesize
64KB
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memory/2308-98-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/2308-97-0x00000000063A0000-0x00000000063F0000-memory.dmpFilesize
320KB
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memory/2308-50-0x0000000005500000-0x0000000005510000-memory.dmpFilesize
64KB
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memory/2308-49-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/2308-46-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3556-18-0x00000000059F0000-0x0000000006018000-memory.dmpFilesize
6.2MB
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memory/3556-84-0x0000000007D00000-0x0000000007D11000-memory.dmpFilesize
68KB
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memory/3556-16-0x0000000002F10000-0x0000000002F46000-memory.dmpFilesize
216KB
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memory/3556-17-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/3556-95-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/3556-19-0x0000000002F00000-0x0000000002F10000-memory.dmpFilesize
64KB
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memory/3556-89-0x0000000007E20000-0x0000000007E28000-memory.dmpFilesize
32KB
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memory/3556-88-0x0000000007E40000-0x0000000007E5A000-memory.dmpFilesize
104KB
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memory/3556-87-0x0000000007D40000-0x0000000007D54000-memory.dmpFilesize
80KB
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memory/3556-23-0x0000000002F00000-0x0000000002F10000-memory.dmpFilesize
64KB
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memory/3556-83-0x0000000007D80000-0x0000000007E16000-memory.dmpFilesize
600KB
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memory/3556-81-0x0000000008140000-0x00000000087BA000-memory.dmpFilesize
6.5MB
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memory/3556-26-0x0000000006020000-0x0000000006086000-memory.dmpFilesize
408KB
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memory/3556-68-0x0000000007A00000-0x0000000007AA3000-memory.dmpFilesize
652KB
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memory/3556-67-0x000000007F120000-0x000000007F130000-memory.dmpFilesize
64KB
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memory/3556-65-0x0000000006DA0000-0x0000000006DBE000-memory.dmpFilesize
120KB
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memory/3556-54-0x0000000070F70000-0x0000000070FBC000-memory.dmpFilesize
304KB
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memory/3556-52-0x0000000006870000-0x00000000068BC000-memory.dmpFilesize
304KB
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memory/4308-96-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/4308-51-0x00000000060E0000-0x00000000060FE000-memory.dmpFilesize
120KB
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memory/4308-80-0x0000000007400000-0x000000000741A000-memory.dmpFilesize
104KB
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memory/4308-25-0x0000000005000000-0x0000000005022000-memory.dmpFilesize
136KB
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memory/4308-53-0x0000000007050000-0x0000000007082000-memory.dmpFilesize
200KB
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memory/4308-66-0x0000000070F70000-0x0000000070FBC000-memory.dmpFilesize
304KB
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memory/4308-20-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/4308-86-0x0000000007630000-0x000000000763E000-memory.dmpFilesize
56KB
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memory/4308-78-0x0000000002760000-0x0000000002770000-memory.dmpFilesize
64KB
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memory/4308-27-0x0000000005AB0000-0x0000000005B16000-memory.dmpFilesize
408KB
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memory/4308-55-0x000000007F0D0000-0x000000007F0E0000-memory.dmpFilesize
64KB
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memory/4308-79-0x0000000002760000-0x0000000002770000-memory.dmpFilesize
64KB
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memory/4308-21-0x0000000002760000-0x0000000002770000-memory.dmpFilesize
64KB
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memory/4308-82-0x0000000007470000-0x000000000747A000-memory.dmpFilesize
40KB
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memory/4308-22-0x0000000002760000-0x0000000002770000-memory.dmpFilesize
64KB
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memory/5100-9-0x0000000005810000-0x0000000005824000-memory.dmpFilesize
80KB
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memory/5100-11-0x000000000D860000-0x000000000D8FC000-memory.dmpFilesize
624KB
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memory/5100-10-0x000000000A740000-0x000000000A7C4000-memory.dmpFilesize
528KB
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memory/5100-3-0x00000000053B0000-0x0000000005442000-memory.dmpFilesize
584KB
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memory/5100-0-0x0000000000870000-0x0000000000944000-memory.dmpFilesize
848KB
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memory/5100-8-0x0000000005800000-0x000000000580E000-memory.dmpFilesize
56KB
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memory/5100-6-0x0000000005390000-0x000000000539A000-memory.dmpFilesize
40KB
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memory/5100-1-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/5100-5-0x0000000005610000-0x0000000005620000-memory.dmpFilesize
64KB
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memory/5100-4-0x0000000005E70000-0x00000000061C4000-memory.dmpFilesize
3.3MB
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memory/5100-48-0x0000000074C30000-0x00000000753E0000-memory.dmpFilesize
7.7MB
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memory/5100-2-0x00000000058C0000-0x0000000005E64000-memory.dmpFilesize
5.6MB
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memory/5100-7-0x00000000056B0000-0x00000000056C8000-memory.dmpFilesize
96KB