Analysis
- max time kernel
152s - max time network
214s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/11/2022, 12:49
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe
Resource
win7-20221111-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe
Resource
win10v2004-20220812-en
12 signatures
150 seconds
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe
- Size 921KB
- Sample221129-p2cxtaaf33
- SHA256 36143d6674053884d6bf2ce1e5bc8dd6f31b9d6b4d2fae272e37ac5649d00520
- MD5 d55d9c72b27c17af9a53847bec4dad00
- SHA1 dbfa157d95af9d351b7051802e5e80a0a78daa05
- SHA512 e4be587979e4d0496ccbfe158fb4577b0cbdc8b28b938575a513e852232a2e055ad99f2c731d2aa3efe2fb86f36a9b03ee61a556e389467d316adeb4f33f2413
- SSDEEP 12288:e2UqU+5xyB55eq8/XzIutu3GpEqqJCLkLdVBm9DuN3TnQT8QzDdzoa1cfN:RIe7/st3cEqqgkZ/mINj0rDdEPf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5083863399:AAH9g72QTdN88jNOd6_tBrE8gEd-FpXnfHE/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/4952-138-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4144 set thread context of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4952 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 4952 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4952 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 PID 4144 wrote to memory of 4952 4144 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe 82 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4952
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.CrypterX-gen.23740.23288.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512