Analysis
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max time kernel
101s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:08
Static task
static1
Behavioral task
behavioral1
Sample
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Resource
win10v2004-20220414-en
General
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Target
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
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Size
1.3MB
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MD5
4dd93076bfc75f76a248882ac422a31a
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SHA1
53d904be35b2e8c7de03c20f6e54067046b2ce57
-
SHA256
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816
-
SHA512
11e9f6b84cfd5403424c7da60011581fc591dbbf8d5f8ad02f0d1b920edfc3ed06dec27ba254a57bab3b036e65ab9af5713b3764447ce89cdaca328bfc9024b3
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
cruizjamesvhjkl@
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 33 IoCs
Processes:
resource yara_rule behavioral1/memory/1836-62-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-63-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-64-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-65-0x00000000004ACD7E-mapping.dmp family_masslogger behavioral1/memory/1836-67-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-69-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-71-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-73-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-75-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-77-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-79-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-81-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-83-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-85-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-87-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-89-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-91-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-93-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-95-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-97-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-99-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-101-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-103-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-105-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-107-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-109-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-111-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-113-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-115-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-117-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-121-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-119-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1836-123-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
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 15 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.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:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process target process PID 908 set thread context of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exepid process 1836 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process Token: SeDebugPrivilege 1836 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription pid process target process PID 908 wrote to memory of 1156 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 908 wrote to memory of 1156 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 908 wrote to memory of 1156 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 908 wrote to memory of 1156 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe schtasks.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe PID 908 wrote to memory of 1836 908 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
outlook_office_path 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe -
outlook_win_path 1 IoCs
Processes:
f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe"C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hUwUwo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\f66ba3c720e0df70977904953fb0f359eddcc621703aec51d1d3f16e099a2816.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpADA.tmpFilesize
1KB
MD5fcf441b967ceb41a8ae5c967c0a33e26
SHA1f62f4b8f35f0c184b68cf235a71e85b110cff380
SHA256bf1fbe607b513a63eeb18990f828411f555594b5b88480320419acd9aa0779bb
SHA512e1dbd992d59c9272f62c02500de6b8824e2dc968f5aca65260bf7effc0e8364e8b45605c0a29c52ad37a674523a924dc21a3bd19016eb3a6b6c6139a0901919e
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memory/908-54-0x0000000000BA0000-0x0000000000CEE000-memory.dmpFilesize
1.3MB
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memory/908-55-0x00000000001F0000-0x00000000001FA000-memory.dmpFilesize
40KB
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memory/908-56-0x0000000007950000-0x0000000007A0A000-memory.dmpFilesize
744KB
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memory/1156-57-0x0000000000000000-mapping.dmp
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memory/1836-85-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-93-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-62-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-63-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-64-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-65-0x00000000004ACD7E-mapping.dmp
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memory/1836-67-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-69-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-71-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-73-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-75-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-77-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-79-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-81-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-83-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-59-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-87-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-89-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-91-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-60-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-95-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-97-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-99-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-101-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-103-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-105-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-107-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-109-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-111-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-113-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-115-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-117-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-121-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-119-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1836-123-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/1836-586-0x0000000000510000-0x0000000000554000-memory.dmpFilesize
272KB
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memory/1836-588-0x0000000004F85000-0x0000000004F96000-memory.dmpFilesize
68KB
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memory/1836-589-0x0000000002260000-0x0000000002274000-memory.dmpFilesize
80KB