Analysis
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max time kernel
134s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 02:28
Static task
static1
Behavioral task
behavioral1
Sample
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
Resource
win7-20240221-en
General
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Target
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
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Size
659KB
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MD5
55e015f998bcf91ac5984298d41de7ba
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SHA1
bcab84326176900d85ce740486c9498a8d23ebd5
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SHA256
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d
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SHA512
6b490994dd0ac4038da850c0af9019f3d683c2df7bcc5d76292ee01f8c70098df15d8e74127610eae64d471de55edbd67f39dcc064d2f42ccb25857e169ba172
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SSDEEP
12288:BQgzi8LkpEa4qAvIZX5cNIixfPdORFIK0x7+2qYxUunx6TPZaty3k3SKlonmfSL2:BQg2jEFqhZX5O3xHdWD+q2j7Es43ek3y
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7171896485:AAHBPgJTIceKNYXu1ygNkvPPqrgHeOG7q7k/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription pid process target process PID 3152 set thread context of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.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 4 IoCs
Processes:
powershell.execdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exepid process 1280 powershell.exe 4480 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe 4480 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe 1280 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.execdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription pid process Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 4480 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exedescription pid process target process PID 3152 wrote to memory of 1280 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 3152 wrote to memory of 1280 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 3152 wrote to memory of 1280 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe powershell.exe PID 3152 wrote to memory of 740 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 3152 wrote to memory of 740 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 3152 wrote to memory of 740 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe schtasks.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe PID 3152 wrote to memory of 4480 3152 cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NyKHuE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1280 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyKHuE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE2D.tmp"2⤵
- Creates scheduled task(s)
PID:740 -
C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"C:\Users\Admin\AppData\Local\Temp\cdc1d4a0a6ee88e02e56cd34b06c49adb88a650924d0f3be4e3bc8f47aaef86d.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4480
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pypr5dlr.1v2.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmpCE2D.tmpFilesize
1KB
MD59bfa79169a09b53b573538d7cb777b60
SHA1d0b3d696523e2fcc6b980713054efcd906226080
SHA256f952e5a0c300606974617830f8bf8bdf0160e9b3f9c86cd249eb4d1c3da1745d
SHA5120131e081da272a0956cf99676bd690b33950741cb43642eea9275b1fdeaf1b2b995b65e55cf127b6359a1dc033ca35c655d33ac897ebfa01d7687dfd2d11e666
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memory/1280-43-0x0000000070EB0000-0x0000000070EFC000-memory.dmpFilesize
304KB
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memory/1280-62-0x00000000071B0000-0x00000000071C4000-memory.dmpFilesize
80KB
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memory/1280-61-0x00000000071A0000-0x00000000071AE000-memory.dmpFilesize
56KB
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memory/1280-26-0x0000000005610000-0x0000000005964000-memory.dmpFilesize
3.3MB
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memory/1280-59-0x00000000071F0000-0x0000000007286000-memory.dmpFilesize
600KB
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memory/1280-58-0x0000000006FE0000-0x0000000006FEA000-memory.dmpFilesize
40KB
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memory/1280-57-0x0000000006F70000-0x0000000006F8A000-memory.dmpFilesize
104KB
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memory/1280-56-0x00000000075C0000-0x0000000007C3A000-memory.dmpFilesize
6.5MB
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memory/1280-67-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/1280-15-0x0000000002320000-0x0000000002356000-memory.dmpFilesize
216KB
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memory/1280-63-0x00000000072B0000-0x00000000072CA000-memory.dmpFilesize
104KB
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memory/1280-18-0x0000000004FA0000-0x00000000055C8000-memory.dmpFilesize
6.2MB
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memory/1280-54-0x0000000006C90000-0x0000000006D33000-memory.dmpFilesize
652KB
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memory/1280-19-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/1280-21-0x0000000004D70000-0x0000000004D92000-memory.dmpFilesize
136KB
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memory/1280-23-0x0000000004E80000-0x0000000004EE6000-memory.dmpFilesize
408KB
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memory/1280-53-0x00000000061E0000-0x00000000061FE000-memory.dmpFilesize
120KB
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memory/1280-27-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/1280-42-0x0000000006220000-0x0000000006252000-memory.dmpFilesize
200KB
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memory/1280-60-0x0000000007170000-0x0000000007181000-memory.dmpFilesize
68KB
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memory/1280-40-0x0000000005C40000-0x0000000005C5E000-memory.dmpFilesize
120KB
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memory/1280-25-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/1280-22-0x0000000004E10000-0x0000000004E76000-memory.dmpFilesize
408KB
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memory/1280-64-0x0000000007290000-0x0000000007298000-memory.dmpFilesize
32KB
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memory/1280-41-0x0000000005C70000-0x0000000005CBC000-memory.dmpFilesize
304KB
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memory/3152-2-0x0000000005360000-0x0000000005904000-memory.dmpFilesize
5.6MB
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memory/3152-1-0x0000000000350000-0x00000000003FA000-memory.dmpFilesize
680KB
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memory/3152-13-0x0000000074E2E000-0x0000000074E2F000-memory.dmpFilesize
4KB
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memory/3152-3-0x0000000004E50000-0x0000000004EE2000-memory.dmpFilesize
584KB
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memory/3152-28-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/3152-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmpFilesize
4KB
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memory/3152-17-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/3152-7-0x0000000005330000-0x0000000005340000-memory.dmpFilesize
64KB
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memory/3152-8-0x0000000006480000-0x0000000006504000-memory.dmpFilesize
528KB
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memory/3152-9-0x0000000008AC0000-0x0000000008B5C000-memory.dmpFilesize
624KB
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memory/3152-6-0x0000000005200000-0x000000000521A000-memory.dmpFilesize
104KB
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memory/3152-5-0x0000000004E00000-0x0000000004E0A000-memory.dmpFilesize
40KB
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memory/3152-4-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/4480-30-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/4480-55-0x00000000064A0000-0x00000000064F0000-memory.dmpFilesize
320KB
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memory/4480-20-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4480-29-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB
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memory/4480-68-0x0000000074E20000-0x00000000755D0000-memory.dmpFilesize
7.7MB