Analysis
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max time kernel
83s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2023, 20:53
Static task
static1
Behavioral task
behavioral1
Sample
order02390021.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
order02390021.pdf.exe
Resource
win10v2004-20230220-en
General
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Target
order02390021.pdf.exe
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Size
577KB
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MD5
9b97c94ca5dfdfc77b75477e4eebe867
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SHA1
af95d435b3cd20e787e3aa0f50ff6437dc68ced9
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SHA256
0494623f46dee59028737fd272af2a35b144c38bd2a0a5f8ebcb131a45aaf71c
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SHA512
7cef268740957fc3537b91c9420d29b5765464d1cb90b382b90a3a1155a5657a041068e5c55573fc540190a9f5b6a00ddf5dd1ff45065252dfae3b1881edc23b
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SSDEEP
12288:HxMHFzrA/lsELhbTmbwBspjGP+P4MrEyTQ+K/4mIB9Y6PL:qrA/+ELha0/mPfDQ+KgmITY6PL
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5547723454:AAHqewaHCTcN2ZyoJn_xzOGn7Rzrt3kXyY8/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detects Redline Stealer samples 2 IoCs
This rule detects the presence of Redline Stealer samples based on their unique strings.
resource yara_rule behavioral2/memory/964-148-0x0000000005460000-0x0000000005A88000-memory.dmp redline_stealer behavioral2/memory/964-154-0x0000000005C20000-0x0000000005C86000-memory.dmp redline_stealer -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation order02390021.pdf.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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 order02390021.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 order02390021.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 order02390021.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GsHLJkZ = "C:\\Users\\Admin\\AppData\\Roaming\\GsHLJkZ\\GsHLJkZ.exe" order02390021.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4256 set thread context of 4592 4256 order02390021.pdf.exe 88 -
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 2508 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 964 powershell.exe 4592 order02390021.pdf.exe 4592 order02390021.pdf.exe 964 powershell.exe 4592 order02390021.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 4592 order02390021.pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4256 wrote to memory of 964 4256 order02390021.pdf.exe 84 PID 4256 wrote to memory of 964 4256 order02390021.pdf.exe 84 PID 4256 wrote to memory of 964 4256 order02390021.pdf.exe 84 PID 4256 wrote to memory of 2508 4256 order02390021.pdf.exe 86 PID 4256 wrote to memory of 2508 4256 order02390021.pdf.exe 86 PID 4256 wrote to memory of 2508 4256 order02390021.pdf.exe 86 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 PID 4256 wrote to memory of 4592 4256 order02390021.pdf.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 order02390021.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 order02390021.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qWuJJOTZmSL.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qWuJJOTZmSL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E53.tmp"2⤵
- Creates scheduled task(s)
PID:2508
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C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"C:\Users\Admin\AppData\Local\Temp\order02390021.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4592
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD533d62ef2c354f839a8b2b987e6ee41e7
SHA1d76f64ac411a61f3f232f7f9f7b179bd34042226
SHA256f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9
SHA512d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5db264ec7a58cf38309e23e4dd272893d
SHA1c20ef09b9fe722ba5a1d63741c78d1dfe0a8cb78
SHA2569589de96c4e1e8d8c47ce2cfc4cfdcd475b406edce1dbb76b0a604a3873485fb
SHA51293c272b16982bbc988d1bfc8bbb59df31095a53e7c926415e691ccaca9abc6d7b8d3409f10eee9446fee8801093525971256e7616e474b8ee1b96deeb38f17ff
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Filesize
577KB
MD59b97c94ca5dfdfc77b75477e4eebe867
SHA1af95d435b3cd20e787e3aa0f50ff6437dc68ced9
SHA2560494623f46dee59028737fd272af2a35b144c38bd2a0a5f8ebcb131a45aaf71c
SHA5127cef268740957fc3537b91c9420d29b5765464d1cb90b382b90a3a1155a5657a041068e5c55573fc540190a9f5b6a00ddf5dd1ff45065252dfae3b1881edc23b