Analysis
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max time kernel
57s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 09:02
Static task
static1
Behavioral task
behavioral1
Sample
statement and invoices.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
statement and invoices.exe
Resource
win10v2004-20240419-en
General
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Target
statement and invoices.exe
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Size
828KB
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MD5
7ca522120ba2f516eeabd3d3979c14eb
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SHA1
3da00a3e7c38b1cab49e7a443a33de11dbd642fc
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SHA256
9da495f395181d2188e798281ad85b82acdf6d1185c28885fe193c6c48f78a93
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SHA512
2eb76c682e5f86f6148750003e4b51375d7ac58e3486157b0c55da98073fb6f852fa0ef209115f0c8223e2f081df4ecff56e181af540da49fd0819a832cb73b8
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SSDEEP
24576:bDPjKr5BND8Vqr4MYBt7xa42c//Bs9zEi:vk5BNggrzia7c3SF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.probending.co.th - Port:
587 - Username:
[email protected] - Password:
9aglmaj6C5hF - 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:
statement and invoices.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation statement and invoices.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
statement and invoices.exedescription pid process target process PID 3488 set thread context of 1620 3488 statement and invoices.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 13 IoCs
Processes:
statement and invoices.exepowershell.exepowershell.exeRegSvcs.exepid process 3488 statement and invoices.exe 3488 statement and invoices.exe 3488 statement and invoices.exe 3488 statement and invoices.exe 3488 statement and invoices.exe 3488 statement and invoices.exe 2176 powershell.exe 2988 powershell.exe 3488 statement and invoices.exe 2176 powershell.exe 1620 RegSvcs.exe 1620 RegSvcs.exe 2988 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
statement and invoices.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3488 statement and invoices.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 1620 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
statement and invoices.exedescription pid process target process PID 3488 wrote to memory of 2176 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 2176 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 2176 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 2988 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 2988 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 2988 3488 statement and invoices.exe powershell.exe PID 3488 wrote to memory of 1712 3488 statement and invoices.exe schtasks.exe PID 3488 wrote to memory of 1712 3488 statement and invoices.exe schtasks.exe PID 3488 wrote to memory of 1712 3488 statement and invoices.exe schtasks.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe PID 3488 wrote to memory of 1620 3488 statement and invoices.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"C:\Users\Admin\AppData\Local\Temp\statement and invoices.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488 -
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\statement and invoices.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yrkroc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2988 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yrkroc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82FB.tmp"2⤵
- Creates scheduled task(s)
PID:1712 -
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:1620
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
MD5321b8213dccb069ffc41c5ecff8b13ac
SHA107c20c5471ca5de2720fe595fc337f20d7747495
SHA2566a078daf49e6816ff9e1b420023fc7bc5c45b7ddc8416772b03e02937b0954fc
SHA51267b552f738a77dd2eb8afd3ba7aa32ba81d1602ea9de401e9d2dcdd911aa155ca88c9b5e0f613de6adccaee7e7b046bca19f71d743e9caea6520c36dc0ce14a9
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wibajdbf.43h.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp82FB.tmpFilesize
1KB
MD5cf0b28a1a337d8fc9d3c27da822def1f
SHA13756b0fef450611bef02e9fd79e985dcd065e153
SHA256771fa924af09d0c361bacc0c1b94b717dd86368290894e1b8b5f6b0f93cf5a5f
SHA512e064bab14aa183e5ad78b26ef4737e3eee2ac0091777a698c2533426d9c76e64607b9ef637028b34329642fd84843a7359d9c83dec02857d2fe52b132def6016
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memory/1620-91-0x0000000005FA0000-0x0000000005FF0000-memory.dmpFilesize
320KB
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memory/1620-46-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2176-76-0x0000000007710000-0x000000000771A000-memory.dmpFilesize
40KB
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memory/2176-77-0x0000000007920000-0x00000000079B6000-memory.dmpFilesize
600KB
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memory/2176-90-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/2176-82-0x00000000079E0000-0x00000000079FA000-memory.dmpFilesize
104KB
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memory/2176-14-0x0000000002A20000-0x0000000002A56000-memory.dmpFilesize
216KB
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memory/2176-78-0x00000000078A0000-0x00000000078B1000-memory.dmpFilesize
68KB
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memory/2176-16-0x0000000005450000-0x0000000005A78000-memory.dmpFilesize
6.2MB
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memory/2176-18-0x0000000002A10000-0x0000000002A20000-memory.dmpFilesize
64KB
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memory/2176-17-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/2176-64-0x0000000007CE0000-0x000000000835A000-memory.dmpFilesize
6.5MB
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memory/2176-66-0x00000000076A0000-0x00000000076BA000-memory.dmpFilesize
104KB
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memory/2176-63-0x0000000007590000-0x0000000007633000-memory.dmpFilesize
652KB
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memory/2176-26-0x0000000005BF0000-0x0000000005C56000-memory.dmpFilesize
408KB
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memory/2176-62-0x0000000007570000-0x000000000758E000-memory.dmpFilesize
120KB
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memory/2176-25-0x0000000005A80000-0x0000000005AE6000-memory.dmpFilesize
408KB
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memory/2176-23-0x0000000005370000-0x0000000005392000-memory.dmpFilesize
136KB
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memory/2176-52-0x00000000715D0000-0x000000007161C000-memory.dmpFilesize
304KB
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memory/2176-51-0x0000000007530000-0x0000000007562000-memory.dmpFilesize
200KB
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memory/2176-50-0x00000000068D0000-0x000000000691C000-memory.dmpFilesize
304KB
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memory/2176-49-0x0000000006370000-0x000000000638E000-memory.dmpFilesize
120KB
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memory/2988-80-0x00000000077B0000-0x00000000077BE000-memory.dmpFilesize
56KB
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memory/2988-89-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/2988-45-0x0000000005B20000-0x0000000005E74000-memory.dmpFilesize
3.3MB
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memory/2988-19-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/2988-20-0x0000000004EB0000-0x0000000004EC0000-memory.dmpFilesize
64KB
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memory/2988-83-0x00000000078A0000-0x00000000078A8000-memory.dmpFilesize
32KB
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memory/2988-81-0x00000000077C0000-0x00000000077D4000-memory.dmpFilesize
80KB
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memory/2988-65-0x00000000715D0000-0x000000007161C000-memory.dmpFilesize
304KB
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memory/2988-21-0x0000000004EB0000-0x0000000004EC0000-memory.dmpFilesize
64KB
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memory/3488-0-0x00000000005D0000-0x00000000006A0000-memory.dmpFilesize
832KB
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memory/3488-48-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/3488-7-0x0000000005440000-0x0000000005454000-memory.dmpFilesize
80KB
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memory/3488-15-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/3488-22-0x00000000052A0000-0x00000000052B0000-memory.dmpFilesize
64KB
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memory/3488-6-0x00000000053E0000-0x0000000005400000-memory.dmpFilesize
128KB
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memory/3488-9-0x000000000C020000-0x000000000C0BC000-memory.dmpFilesize
624KB
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memory/3488-5-0x0000000005050000-0x000000000505A000-memory.dmpFilesize
40KB
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memory/3488-3-0x00000000050C0000-0x0000000005152000-memory.dmpFilesize
584KB
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memory/3488-2-0x00000000055D0000-0x0000000005B74000-memory.dmpFilesize
5.6MB
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memory/3488-4-0x00000000052A0000-0x00000000052B0000-memory.dmpFilesize
64KB
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memory/3488-8-0x0000000008F00000-0x0000000008F82000-memory.dmpFilesize
520KB
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memory/3488-1-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB