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Analysis
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max time kernel
138s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
Approved E-DO PDF.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Approved E-DO PDF.exe
Resource
win10v2004-20240419-en
General
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Target
Approved E-DO PDF.exe
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Size
698KB
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MD5
ccd1edccbd14c9c0245099ac2920be83
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SHA1
77a57f47e0660da5a2a1969392cf0aa962c5eed8
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SHA256
56f69825010da76642ee25cf55098c51f6ded6f6fe2718b6c69c1c4b74b57c65
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SHA512
af3b651c6cbd0752b001264b0ecbf7f254af2ae832b9d862f99b5fa818f540254c878b7b64d0f422e12029890584094fef73cf56c1ed5aa82dfe1e2fd77a0c47
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SSDEEP
12288:JO3/T3/fVrTtK3/y32K4J8wqCfqIP5Otr7VnYixibuRtgiTn+aEoQG527KCHftop:srXVrTtKqmfqClP5OVdY0iqRKuEG52er
Malware Config
Extracted
Protocol: smtp- Host:
mail.cojosem.com - Port:
587 - Username:
[email protected] - Password:
ZARHLOULBOSS123
Extracted
agenttesla
Protocol: smtp- Host:
mail.cojosem.com - Port:
587 - Username:
[email protected] - Password:
ZARHLOULBOSS123 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2780 powershell.exe 4628 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation Approved E-DO PDF.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VmkjVd = "C:\\Users\\Admin\\AppData\\Roaming\\VmkjVd\\VmkjVd.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 25 api.ipify.org 26 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2868 set thread context of 2852 2868 Approved E-DO PDF.exe 102 -
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.
pid Process 556 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2780 powershell.exe 4628 powershell.exe 2852 RegSvcs.exe 2852 RegSvcs.exe 4628 powershell.exe 2780 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2780 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 2852 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2852 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2868 wrote to memory of 2780 2868 Approved E-DO PDF.exe 96 PID 2868 wrote to memory of 2780 2868 Approved E-DO PDF.exe 96 PID 2868 wrote to memory of 2780 2868 Approved E-DO PDF.exe 96 PID 2868 wrote to memory of 4628 2868 Approved E-DO PDF.exe 98 PID 2868 wrote to memory of 4628 2868 Approved E-DO PDF.exe 98 PID 2868 wrote to memory of 4628 2868 Approved E-DO PDF.exe 98 PID 2868 wrote to memory of 556 2868 Approved E-DO PDF.exe 100 PID 2868 wrote to memory of 556 2868 Approved E-DO PDF.exe 100 PID 2868 wrote to memory of 556 2868 Approved E-DO PDF.exe 100 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102 PID 2868 wrote to memory of 2852 2868 Approved E-DO PDF.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\Approved E-DO PDF.exe"C:\Users\Admin\AppData\Local\Temp\Approved E-DO PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2868 -
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\Approved E-DO PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IPKNiuIoxa.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IPKNiuIoxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6428.tmp"2⤵
- Creates scheduled task(s)
PID:556
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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
- Suspicious use of SetWindowsHookEx
PID:2852
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD54680bc763a9d43d6bba30cc17fcc04fe
SHA1214aadf9e4c3e9e5e13d37f388b59595ef5c6ed9
SHA2563a5fa6f6bba606f0c353913f1c272e0a82df58e7d9b6387832560e5f26cd9cf5
SHA5120d16d3079d1913e0358551ddd3d0d0ea30af82149d2cda30de533803d0617686232c61e50c52ca1d30823ce8e12b80a6194f90680197dd892b6d1c2e822cebab
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c06d6ceab1764e0fbb52c2c992e2a478
SHA16771b45ab70d9d690f3c2b49c163a0785b8ce8c5
SHA2566defe8584bac9612f980cced6f2f5446ea3314453e3b970af7c8ccf8d6b5df74
SHA51286bd08b628ac7d62420b2e28aae478ad425be711a19ac413121d78b3aede1efab1b00a9b61c9096c5acfc782a865027eb46c17e53dd249aa873ff663a9f9a8f8