Analysis
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max time kernel
73s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
16-06-2024 13:18
General
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Target
Halkbank.exe
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Size
871KB
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MD5
8d4fb7606e6270b7190b97f382993b42
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SHA1
c4f94218183dd65573fc143e2051b776c3c0e13d
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SHA256
01053beaa477c1cbf38cd7914244da9e75a22f59568056048fefde017503226e
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SHA512
01e9bbe174bb282a263b0f85d478e884186f2c8aa67f3a82af2bc1c27005817d40f43d64797cf96a30c6bba7766d8a0dffd1d2851f871abc1779ff1399cd7538
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SSDEEP
12288:qnTq/B++r60H1qRrznXOdDU9k3CDOSeJot8EUpWLfM88vqXVjPM6boym+gm2xOKY:RBRrFVWrzsUAaOSeJoPxsyFrMWBm/D1
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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 42 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 13 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Halkbank.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
652KB
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Filesize
6.5MB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
104KB
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Filesize
56KB
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Filesize
68KB
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Filesize
600KB
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Filesize
40KB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
120KB
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Filesize
304KB
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Filesize
200KB
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Filesize
304KB
-
Filesize
120KB
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Filesize
408KB
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Filesize
3.3MB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
80KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
72KB
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Filesize
896KB
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Filesize
7.7MB
-
Filesize
624KB
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Filesize
584KB
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Filesize
4KB
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Filesize
5.6MB
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Filesize
616KB
-
Filesize
536KB
-
Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
7.7MB