Analysis
- max time kernel
123s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
07/06/2024, 01:51
Static task
static1
Behavioral task
behavioral1
Sample
7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe
Resource
win7-20240221-en
16 signatures
150 seconds
General
- Target 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe
- Size 717KB
- Sample240607-b9ybtsff8s
- SHA256 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd
- MD5 16e91d71a5145bde0815aa01bf34f167
- SHA1 3395291ac790f821f531810471b0864d237b2a7e
- SHA512 14f7367d64765886244528c41fec9d6920abc189fdac4245344119db03f880f52301d37d71cfe0bfb02369b8ab5673b455422f0926ca351fc075b619ae27c18d
- SSDEEP 12288:B3qyJMGFKub3iccP0ZalFxB6375LHhrqVp6lnyc30CSJlRwn8YHcWYbrXkkR:B6OeuHcP0IlJUNBuVklnypCSxw8vrbrD
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
-
Username
-
Password
Asaprocky11
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 - Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers - Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID - Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store - Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients - Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/3820-37-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients - 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 3728 powershell.exe 5084 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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.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 20 api.ipify.org 21 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3380 set thread context of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2572 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3728 powershell.exe 5084 powershell.exe 3820 RegSvcs.exe 3820 RegSvcs.exe 5084 powershell.exe 3728 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 3820 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3820 RegSvcs.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3380 wrote to memory of 5084 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 91 PID 3380 wrote to memory of 5084 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 91 PID 3380 wrote to memory of 5084 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 91 PID 3380 wrote to memory of 3728 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 93 PID 3380 wrote to memory of 3728 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 93 PID 3380 wrote to memory of 3728 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 93 PID 3380 wrote to memory of 2572 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 95 PID 3380 wrote to memory of 2572 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 95 PID 3380 wrote to memory of 2572 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 95 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97 PID 3380 wrote to memory of 3820 3380 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe"C:\Users\Admin\AppData\Local\Temp\7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3380 -
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\7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KWwZbXu.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KWwZbXu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84B1.tmp"2⤵
- Creates scheduled task(s)
PID:2572
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 b6a3ba993c41cca6a3b02c11dabcc72c0dfbf4854f734829f742ee07e1971591
- MD5 8589c1e52e82bc77610bc715a440b18c
- SHA1 d68a623a2f54bf267390569b2653462ae0bd05ab
- SHA512 86591f66cca8f1de65e7a2fefcae84e827d0fa49b616e4936c59db64a44070e3a71d3d6b4c6a9eb2003b67f783779afc25f68b81af6700f68e7e48b39ae821ca
- SSDEEP 384:ysf+Bh9i+z3oaGBBizSk6Ko9oajxGTVK6seYLME/B03SoZ2fYSggjEDk+Q0gdot3:vfEKoNgomGTVNgrqSBWeEDDCK3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ok2csnvb.pda.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp84B1.tmp
- Size 1KB
- SHA256 0c576dcff3282d9502e2901e92742260dc832f65c3d3a7ba7af03bfd3ecce511
- MD5 ec8019c15decc0c7fc1f4d4ec9adf4e3
- SHA1 d9ec83e522a2c8a7cc237dddf40fea6e4d5e2e17
- SHA512 01e5fe737453611b84661b8f8a426419fed73a2f362c13ad0b030008088c9fe45a2617229909d97dc7f9137641e15a8f4cebf5a1b8d7dd583d34cc2ae6b42bcb
- MD5 SHA1 SHA512