Analysis Overview
SHA256
cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87
Threat Level: Known bad
The file cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87 was found to be: Known bad.
Malicious Activity Summary
MassLogger Main Payload
MassLogger
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Suspicious use of SetThreadContext
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-29 22:24
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-29 22:24
Reported
2022-04-01 00:48
Platform
win7-20220331-en
Max time kernel
89s
Max time network
94s
Command Line
Signatures
MassLogger
MassLogger Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2012 set thread context of 1256 | N/A | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe
"C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eqOznKoNHJb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF97C.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe'
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn Firefox.exe /tr '"C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe"' & exit
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn Firefox.exe /tr '"C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe"'
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp77FE.tmp.bat""
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe
"C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe"
Network
Files
memory/2012-54-0x0000000000FA0000-0x0000000001104000-memory.dmp
memory/2012-55-0x0000000000550000-0x000000000056C000-memory.dmp
memory/2012-56-0x0000000007F60000-0x0000000008012000-memory.dmp
memory/1280-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF97C.tmp
| MD5 | 22a78f22b48fa1bd9279c41f6156171d |
| SHA1 | 70650102dcdbaa8785e34f106e87589214d568f3 |
| SHA256 | 90d475e9742a189a21a24a519eecc5bdd03b25b000db57f5c2ff46c1f510e9eb |
| SHA512 | 87e094b238093e59408fa5e0bb9978bf424d6dd13f535fa781f5dfbfe16f5e829a9536339838d80d43f549fec1eddf8a34c31a1df650fc3a4bb88e2e65b32033 |
memory/1256-59-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-60-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-63-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-62-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-65-0x0000000000481B0E-mapping.dmp
memory/1256-64-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-67-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1256-69-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1244-70-0x0000000000000000-mapping.dmp
memory/1256-71-0x0000000002035000-0x0000000002046000-memory.dmp
memory/1244-72-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
memory/1712-73-0x0000000000000000-mapping.dmp
memory/1780-74-0x0000000000000000-mapping.dmp
memory/1564-75-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp77FE.tmp.bat
| MD5 | 9d094b4097c03d1df4be21ba7798c097 |
| SHA1 | 724162388bee4192ac21db773cea02468a570878 |
| SHA256 | ede91006064ebcfe27db7f24b681b166d366e7f6da694d7ac5b90e35e205e794 |
| SHA512 | 1f6a94158d5822f697b5e878784eb72352d272f872bfeba962ecc45a52510055fabc74facf48ee469fea702d424c0202f1e50748ec767da28cb7a658827f6f9d |
memory/936-77-0x0000000000000000-mapping.dmp
memory/1244-78-0x0000000074D20000-0x00000000752CB000-memory.dmp
memory/1244-79-0x00000000024B2000-0x00000000024B4000-memory.dmp
C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe
| MD5 | 0e06054beb13192588e745ee63a84173 |
| SHA1 | 30b7d4d1277bafd04a83779fd566a1f834a8d113 |
| SHA256 | c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768 |
| SHA512 | 251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215 |
\Users\Admin\AppData\Roaming\Firefox\Firefox.exe
| MD5 | 0e06054beb13192588e745ee63a84173 |
| SHA1 | 30b7d4d1277bafd04a83779fd566a1f834a8d113 |
| SHA256 | c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768 |
| SHA512 | 251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215 |
memory/1948-82-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Firefox\Firefox.exe
| MD5 | 0e06054beb13192588e745ee63a84173 |
| SHA1 | 30b7d4d1277bafd04a83779fd566a1f834a8d113 |
| SHA256 | c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768 |
| SHA512 | 251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215 |
memory/1948-84-0x00000000000A0000-0x00000000000AE000-memory.dmp
memory/1948-85-0x0000000000550000-0x0000000000570000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-29 22:24
Reported
2022-04-01 00:47
Platform
win10v2004-20220331-en
Max time kernel
76s
Max time network
96s
Command Line
Signatures
MassLogger
MassLogger Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2900 set thread context of 4520 | N/A | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe
"C:\Users\Admin\AppData\Local\Temp\cdcca14762350631687767fbf582ddbb3c9a84fbae2235d308b8e1fa2077af87.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eqOznKoNHJb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68BC.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe'
Network
| Country | Destination | Domain | Proto |
| FI | 62.115.252.112:80 | tcp | |
| US | 104.208.16.88:443 | tcp | |
| SE | 178.79.212.129:80 | tcp | |
| SE | 178.79.212.129:80 | tcp | |
| SE | 178.79.212.129:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/2900-124-0x0000000000840000-0x00000000009A4000-memory.dmp
memory/2900-125-0x0000000007CF0000-0x0000000008294000-memory.dmp
memory/2900-126-0x0000000007820000-0x00000000078B2000-memory.dmp
memory/2900-127-0x00000000079C0000-0x00000000079CA000-memory.dmp
memory/2900-128-0x000000000A410000-0x000000000A93C000-memory.dmp
memory/2900-129-0x000000000AC10000-0x000000000ACAC000-memory.dmp
memory/1296-130-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp68BC.tmp
| MD5 | 03690d6cd336a0ec84ad21b590260d33 |
| SHA1 | ba93ee011fee9fecba9bd231080373bcc6d92713 |
| SHA256 | 3f5666af11b64182409ddcc83f2e96eef69c2cc8e2ec12c04ee064f7c8d8a00d |
| SHA512 | 42bdb8a204f1864b36e510b044d134d5cb87effa13b7c0f492389aa6a027dbf6d16d009d29efcc0e1ebb9fcef5734e3dfa831a1d88ad541aee5c9f7defe41884 |
memory/4520-132-0x0000000000000000-mapping.dmp
memory/4520-133-0x0000000000400000-0x0000000000486000-memory.dmp
memory/4520-134-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/2160-135-0x0000000000000000-mapping.dmp
memory/2160-136-0x0000000002890000-0x00000000028C6000-memory.dmp
memory/2160-137-0x0000000005430000-0x0000000005A58000-memory.dmp
memory/2160-138-0x00000000053E0000-0x0000000005402000-memory.dmp
memory/2160-139-0x0000000005AD0000-0x0000000005B36000-memory.dmp
memory/2160-140-0x00000000061A0000-0x00000000061BE000-memory.dmp
memory/2160-141-0x0000000004DF5000-0x0000000004DF7000-memory.dmp
memory/2160-142-0x0000000007AC0000-0x000000000813A000-memory.dmp
memory/2160-143-0x0000000006680000-0x000000000669A000-memory.dmp
memory/2160-144-0x00000000067E0000-0x0000000006876000-memory.dmp
memory/2160-145-0x0000000006770000-0x0000000006792000-memory.dmp