Analysis
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max time kernel
128s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
18-04-2022 12:37
Static task
static1
Behavioral task
behavioral1
Sample
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe
Resource
win10v2004-20220414-en
General
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Target
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe
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Size
876KB
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MD5
d0984b64a82a8564e0309ca82f581035
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SHA1
18c8163ab1dddba15ecc8af94ee3d1a61c28cdef
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SHA256
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f
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SHA512
b589f8b92fe9d08cedfadfece30848ec97c42123ce203a506dde326a0e2361fbb03ca4b2f69d2bb7915d17baed1c19e96906d1cba7f9d3fc14e2b86f8ac56416
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 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1144-77-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1144-78-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1144-79-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1144-80-0x000000000048175E-mapping.dmp family_masslogger behavioral1/memory/1144-83-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1144-85-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Executes dropped EXE 2 IoCs
Processes:
.exeAddInProcess32.exepid process 1696 .exe 1144 AddInProcess32.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
AddInProcess32.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation AddInProcess32.exe -
Loads dropped DLL 5 IoCs
Processes:
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe.exepid process 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe 1696 .exe 1696 .exe 1696 .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 35 IoCs
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook AddInProcess32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\admin = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\Desktop\\.exe" reg.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.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:
.exedescription pid process target process PID 1696 set thread context of 1144 1696 .exe AddInProcess32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
AddInProcess32.exepid process 1144 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe.exeAddInProcess32.exepid process 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe 1696 .exe 1144 AddInProcess32.exe 1144 AddInProcess32.exe 1144 AddInProcess32.exe 1144 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe.exeAddInProcess32.exedescription pid process Token: SeDebugPrivilege 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe Token: SeTakeOwnershipPrivilege 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe Token: SeRestorePrivilege 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe Token: SeDebugPrivilege 1696 .exe Token: SeTakeOwnershipPrivilege 1696 .exe Token: SeRestorePrivilege 1696 .exe Token: SeDebugPrivilege 1144 AddInProcess32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
AddInProcess32.exepid process 1144 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.execmd.exe.exedescription pid process target process PID 1100 wrote to memory of 2028 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe cmd.exe PID 1100 wrote to memory of 2028 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe cmd.exe PID 1100 wrote to memory of 2028 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe cmd.exe PID 1100 wrote to memory of 2028 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe cmd.exe PID 2028 wrote to memory of 1748 2028 cmd.exe reg.exe PID 2028 wrote to memory of 1748 2028 cmd.exe reg.exe PID 2028 wrote to memory of 1748 2028 cmd.exe reg.exe PID 2028 wrote to memory of 1748 2028 cmd.exe reg.exe PID 1100 wrote to memory of 1696 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe .exe PID 1100 wrote to memory of 1696 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe .exe PID 1100 wrote to memory of 1696 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe .exe PID 1100 wrote to memory of 1696 1100 c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe .exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe PID 1696 wrote to memory of 1144 1696 .exe AddInProcess32.exe -
outlook_office_path 1 IoCs
Processes:
AddInProcess32.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
Processes:
AddInProcess32.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 AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe"C:\Users\Admin\AppData\Local\Temp\c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v admin /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v admin /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"3⤵
- Adds Run key to start application
PID:1748
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C:\Users\Admin\Desktop\.exe"C:\Users\Admin\Desktop\.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
876KB
MD5d0984b64a82a8564e0309ca82f581035
SHA118c8163ab1dddba15ecc8af94ee3d1a61c28cdef
SHA256c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f
SHA512b589f8b92fe9d08cedfadfece30848ec97c42123ce203a506dde326a0e2361fbb03ca4b2f69d2bb7915d17baed1c19e96906d1cba7f9d3fc14e2b86f8ac56416
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Filesize
876KB
MD5d0984b64a82a8564e0309ca82f581035
SHA118c8163ab1dddba15ecc8af94ee3d1a61c28cdef
SHA256c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f
SHA512b589f8b92fe9d08cedfadfece30848ec97c42123ce203a506dde326a0e2361fbb03ca4b2f69d2bb7915d17baed1c19e96906d1cba7f9d3fc14e2b86f8ac56416
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Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
876KB
MD5d0984b64a82a8564e0309ca82f581035
SHA118c8163ab1dddba15ecc8af94ee3d1a61c28cdef
SHA256c20fa32bcec64fb853a75c8a25a185682a3ef4ed77f5cb1378512d0f942c077f
SHA512b589f8b92fe9d08cedfadfece30848ec97c42123ce203a506dde326a0e2361fbb03ca4b2f69d2bb7915d17baed1c19e96906d1cba7f9d3fc14e2b86f8ac56416