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Analysis
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max time kernel
143s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2023, 14:30
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe
Resource
win10v2004-20230220-en
General
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Target
SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe
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Size
1.7MB
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MD5
b590f332b0fa48f20e7c9876fd2ec185
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SHA1
3914b5911e3265d50d81b700ff980c7013030eb4
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SHA256
afaa75058c4de5013c9a5dafba07e7952b354152719d373e18a226de484b7a46
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SHA512
421972f8fff817a2f1371d95f11cea5ae85555d4a5fe207e9e3b2d45ef2593580802493a1853043f725a58a88acad8c3610e1a3822370e3cbd11472599ab9ac8
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SSDEEP
24576:mGgTwzGtL5DmOlHCeEzyjDjXZCX5OBHCGds9L:m5tNvCeEccX5OEl
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.donadorotea.com - Port:
587 - Username:
[email protected] - Password:
$TH!4vHd2ymR - 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EtEIU = "C:\\Users\\Admin\\AppData\\Roaming\\EtEIU\\EtEIU.exe" RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3984 set thread context of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4160 powershell.exe 4160 powershell.exe 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe Token: SeDebugPrivilege 4128 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3984 wrote to memory of 4160 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 86 PID 3984 wrote to memory of 4160 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 86 PID 3984 wrote to memory of 4160 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 86 PID 3984 wrote to memory of 4364 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 96 PID 3984 wrote to memory of 4364 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 96 PID 3984 wrote to memory of 4364 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 96 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 PID 3984 wrote to memory of 4128 3984 SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Inject4.30942.29613.29881.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4160
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵PID:4364
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4128
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82