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Analysis
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max time kernel
135s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
24/04/2024, 01:30
Static task
static1
Behavioral task
behavioral1
Sample
6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Resource
win10v2004-20240412-en
General
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Target
6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
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Size
669KB
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MD5
5385333a8618dac516b8b33b0bbf11a1
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SHA1
3a1171327abe7aefeb85914afae6ec6c8bfbe6e0
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SHA256
6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4
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SHA512
0392fd0fc5f79b8c19655d279e882bf7cd83a4d841d1bf1f1845997396368734866f47d06c19fa0da48ecc305d2113611f65153e07ff6aae0c99a8137e9e3cea
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SSDEEP
12288:x4WzE3RYDR05N+rTd2/6pjhHyKj1jb9WKhsq9Q/V8pekTGzd2S96QKNe:1WR03BAWj0Kj17YV8petwsK
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - 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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Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-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 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
resource yara_rule behavioral1/memory/1184-31-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1184-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1184-35-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1184-38-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1184-40-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/1184-42-0x00000000047B0000-0x00000000047F0000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" RegSvcs.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2216 set thread context of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 -
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 2676 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 2164 powershell.exe 2592 powershell.exe 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 1184 RegSvcs.exe 1184 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 1184 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1184 RegSvcs.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2164 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 28 PID 2216 wrote to memory of 2164 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 28 PID 2216 wrote to memory of 2164 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 28 PID 2216 wrote to memory of 2164 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 28 PID 2216 wrote to memory of 2592 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 30 PID 2216 wrote to memory of 2592 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 30 PID 2216 wrote to memory of 2592 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 30 PID 2216 wrote to memory of 2592 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 30 PID 2216 wrote to memory of 2676 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 32 PID 2216 wrote to memory of 2676 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 32 PID 2216 wrote to memory of 2676 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 32 PID 2216 wrote to memory of 2676 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 32 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2744 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 34 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 2736 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 35 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36 PID 2216 wrote to memory of 1184 2216 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216 -
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\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2164
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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\wpvgIECypA.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wpvgIECypA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3968.tmp"2⤵
- Creates scheduled task(s)
PID:2676
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2744
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2736
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57f527fddf88221fa26b1bed8d91b3f80
SHA106378ab014d8fa57c2988c15964dea1fdf11fdf9
SHA25659844c3174606f2f71a66f95a688de2d582adbcd29e2e0b35228a89bc646f240
SHA51203e562faa5c9ba14763937599dcd66dc05501b6495850def8fc41ac7c85b56a2a0dcf1f4c3120c1a07b1e115c499a41b463754b332e2e640c61af9a588cddc79
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD50a7b676a229e5510afa716a1eac722a4
SHA19d4ab283da3448b14a743f7d73a2025b55543aee
SHA2560856634e2603b50027b88b8dd42219ec94370a11680968b4a1d2f4d0f297fc82
SHA51234cd5898dd7be3b407a045a4c174e326387dd6196d12a987c09e1617475c381a918a6a5ca8d5e943bb2cf08671cde4a56bb3c6fff195fd1a756c104536f9b6cf