Analysis
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max time kernel
100s -
max time network
106s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:16
Static task
static1
Behavioral task
behavioral1
Sample
Erenrcompany.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Erenrcompany.exe
Resource
win10v2004-20220414-en
General
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Target
Erenrcompany.exe
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Size
2.3MB
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MD5
97ce671821460fdb8d39cafd4465cd90
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SHA1
abcbc042a758985fd3ea04af3945de5f0944dc60
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SHA256
50ff0aae0a9f7c1fc39e15483e5ebf8235d18c9d9ef2a5bd75a538c0a42e444e
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SHA512
9d8b9e7ac98b77950fa904e83d7351ca5003145a7a3312d35ddd8d33d4ab853ac33cb87890538ae1212ca52c2e6f9d2853f79e1a4cf28ba079d6d1cad05df754
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
m4cfund@yandex.com - Password:
Dmacdavid
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/1260-55-0x0000000000540000-0x0000000000554000-memory.dmp agile_net -
Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs
Processes:
InstallUtil.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Erenrcompany.exedescription pid process target process PID 1260 set thread context of 1116 1260 Erenrcompany.exe InstallUtil.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
InstallUtil.exepid process 1116 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Erenrcompany.exeInstallUtil.exepid process 1260 Erenrcompany.exe 1260 Erenrcompany.exe 1260 Erenrcompany.exe 1116 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Erenrcompany.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1260 Erenrcompany.exe Token: SeDebugPrivilege 1116 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 1116 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Erenrcompany.exedescription pid process target process PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe PID 1260 wrote to memory of 1116 1260 Erenrcompany.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Erenrcompany.exe"C:\Users\Admin\AppData\Local\Temp\Erenrcompany.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1116-86-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-114-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-576-0x0000000000900000-0x0000000000944000-memory.dmpFilesize
272KB
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memory/1116-122-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-120-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-59-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-82-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-62-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-64-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-65-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-66-0x00000000004A12AE-mapping.dmp
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memory/1116-68-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-70-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-72-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-74-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-76-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-78-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-118-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-60-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-116-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-80-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-88-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-90-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-92-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-94-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-96-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-98-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-100-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-102-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-104-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-106-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-108-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-110-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-112-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1116-84-0x0000000000400000-0x0000000000546000-memory.dmpFilesize
1.3MB
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memory/1260-55-0x0000000000540000-0x0000000000554000-memory.dmpFilesize
80KB
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memory/1260-54-0x00000000002C0000-0x000000000051E000-memory.dmpFilesize
2.4MB
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memory/1260-58-0x0000000000680000-0x0000000000688000-memory.dmpFilesize
32KB
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memory/1260-57-0x00000000005E0000-0x00000000005E8000-memory.dmpFilesize
32KB
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memory/1260-56-0x0000000000560000-0x0000000000568000-memory.dmpFilesize
32KB