Analysis
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max time kernel
131s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 10:13
Static task
static1
Behavioral task
behavioral1
Sample
39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
Resource
win7-20240903-en
General
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Target
39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
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Size
1.5MB
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MD5
3711d493ece51189015ae9e2da25bef9
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SHA1
0235c2c6fd65a6ba5ba656c8d3fdbbc88e427126
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SHA256
39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a
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SHA512
b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64
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SSDEEP
49152:ajVdg/P5S41dgMOjs5Ljda/pB2zhPX1jqKoe:uVq/P5XP9Ojada/WzhPFjqKoe
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4744 powershell.exe 2548 powershell.exe 4820 powershell.exe 4368 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.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 3 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 21 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 828 set thread context of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 1920 set thread context of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2076 schtasks.exe 3976 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4744 powershell.exe 2548 powershell.exe 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 2548 powershell.exe 4744 powershell.exe 4820 powershell.exe 4368 powershell.exe 4608 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 4608 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 4368 powershell.exe 4820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 4608 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 828 wrote to memory of 4744 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 86 PID 828 wrote to memory of 4744 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 86 PID 828 wrote to memory of 4744 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 86 PID 828 wrote to memory of 2548 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 88 PID 828 wrote to memory of 2548 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 88 PID 828 wrote to memory of 2548 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 88 PID 828 wrote to memory of 2076 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 90 PID 828 wrote to memory of 2076 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 90 PID 828 wrote to memory of 2076 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 90 PID 828 wrote to memory of 4152 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 92 PID 828 wrote to memory of 4152 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 92 PID 828 wrote to memory of 4152 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 92 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 828 wrote to memory of 1920 828 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 93 PID 1920 wrote to memory of 4820 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 94 PID 1920 wrote to memory of 4820 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 94 PID 1920 wrote to memory of 4820 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 94 PID 1920 wrote to memory of 4368 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 96 PID 1920 wrote to memory of 4368 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 96 PID 1920 wrote to memory of 4368 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 96 PID 1920 wrote to memory of 3976 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 98 PID 1920 wrote to memory of 3976 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 98 PID 1920 wrote to memory of 3976 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 98 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100 PID 1920 wrote to memory of 4608 1920 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828 -
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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4744
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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\ywHNQkbNkv.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ywHNQkbNkv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9BB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2076
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C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"2⤵PID:4152
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C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920 -
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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820
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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\wlBldyvi.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF04B.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3976
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C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4608
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe.log
Filesize2KB
MD58b4735243e327a8021d7dfd1fb26dff6
SHA1586e761a185eaafc4fedccfcccaef900c44490a4
SHA2562c6d9da0c0c25fbbefb6c18eeb0396f42a2ba0895fc21618b33f6ed5f03be666
SHA512309b5bda0d0d27e7fb7730cb2f64d859d5ef3b742e0416898d369dfb105d258b7f879601bdfd53330e2bb3998a1645f1f0f7f7ea2b3b40acf0df0ee3b9e0125e
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD569be5efa7dc5a289775e91eba9ea6738
SHA1d9f393a7e8a6d93294b402d7ec0156e042ac205e
SHA256ccbc87a55c8547fad6a7fce7800463c4f469b840ca36ba53ba4b569da5e22533
SHA512f215bbd5d56e0b00fbb70a18fbade506b74913d6a1088b2f984c94e0c31eee79b0fc9504ee2869508be80ff8c1522d0aebb855477564d59b77fd9d04e99ff2c0
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Filesize
18KB
MD5c66d0c3e56203217fcf5aecc4882d295
SHA1259ce42de3a00a7fc700057af7dfa1da851b134a
SHA2563476564d7ad9dc4ded36dade943b8c3928c6a37c608c1d67511200b831d661d2
SHA51293cfa41afa1d243330cc0b5d938c27ed652baeee94343bba0ed3572991aeafc1db2f3ae826aa375e40b27d999d701af7b2c5a58e1f4b048536c0ec6418d1abef
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b8a4f03687a00ac05c9663c5ba221dc3
SHA1eaaacd63c1c6d7081720532b1ef4fb22c1913b32
SHA256bf169283084c5e752f8f31981213cfdca3740e40b61247ead222beaadb1fba3b
SHA512a470d1d113f23dcbb74f4e3cfb30602bbc97e393b28dd47564155247ee9fa5d2fb8eec36aa6dbc2e76d380ee6d91b6c7a95942a03da74a276548559301e14959
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Filesize
1KB
MD533792992066fd3689f65873068f126d9
SHA1621cbb6d9ad90e32453e577697b69311cd8ab86a
SHA25622ee216a1fef90f9c3476c2b20c240c6759f376e6f03d55642e6bb2a3d46b558
SHA512246ad0f7f8ec4091127d648dd2cddc0876d200b7bf2ea55b03ba32fc6a893f5bc7776d60dc297ee614e12069978ea3eb93a3f2b3478f72d103912c91b2a9e8c9
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Filesize
1.5MB
MD53711d493ece51189015ae9e2da25bef9
SHA10235c2c6fd65a6ba5ba656c8d3fdbbc88e427126
SHA25639454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a
SHA512b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64