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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 01:40
Static task
static1
Behavioral task
behavioral1
Sample
8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
Resource
win10v2004-20240412-en
General
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Target
8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
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Size
756KB
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MD5
3b35eb02919cc28d6faea03c96519504
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SHA1
66588cd5d127e83379de633e178b288fe3fad794
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SHA256
8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670
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SHA512
91a2b15b24c30f09c1860ffb31073e4027bb2f970ae7a4a3674a3e99a49194928d6774fc5d963661dbb33a012e95dd51a88a9be64d6b6f07380339388015b6a0
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SSDEEP
12288:hCK/pbMrRwwAFua+bT/gUDSXN057FQdMvMOKI4uko5QLaBKJAWnGtMm8WxTlEA3J:hCiMrgeX5S+5xeMp4xoQaWAWGtMm8WxP
Malware Config
Extracted
Protocol: smtp- Host:
mail.torosdental.com - Port:
587 - Username:
[email protected] - Password:
mehmet19201923000
Extracted
agenttesla
Protocol: smtp- Host:
mail.torosdental.com - Port:
587 - Username:
[email protected] - Password:
mehmet19201923000 - 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. 1 IoCs
resource yara_rule behavioral2/memory/3140-21-0x0000000000400000-0x0000000000444000-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/3140-21-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
resource yara_rule behavioral2/memory/3140-21-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/3140-21-0x0000000000400000-0x0000000000444000-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/3140-21-0x0000000000400000-0x0000000000444000-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/3140-21-0x0000000000400000-0x0000000000444000-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/3140-21-0x0000000000400000-0x0000000000444000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 api.ipify.org 29 api.ipify.org 31 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4592 set thread context of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 -
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 5072 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 4620 powershell.exe 3140 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 3140 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 4620 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 3140 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3140 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4592 wrote to memory of 4620 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 90 PID 4592 wrote to memory of 4620 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 90 PID 4592 wrote to memory of 4620 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 90 PID 4592 wrote to memory of 5072 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 92 PID 4592 wrote to memory of 5072 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 92 PID 4592 wrote to memory of 5072 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 92 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94 PID 4592 wrote to memory of 3140 4592 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xOqrCwLHNYO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4620
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xOqrCwLHNYO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9599.tmp"2⤵
- Creates scheduled task(s)
PID:5072
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C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD59013b9d1cfc8068124757c7f609ba2b5
SHA12b470072d992fa1d622bac8c79993b0f875b6726
SHA2561117d563f3b702d0f668cfaa9c272de6c8903c689052f03d065c127add7c5e4d
SHA51288ac3901cf6e256dba90cf3b7f7818d109d5db18831c2353f5b663824d4a9aaab570b794fce8e39f833975a9f8c15b017c34ccbaac613838fcc5adadc54f1c70