Analysis
-
max time kernel
80s -
max time network
84s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:18
Static task
static1
Behavioral task
behavioral1
Sample
Order inquiry skmt042.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Order inquiry skmt042.exe
Resource
win10v2004-20220414-en
General
-
Target
Order inquiry skmt042.exe
-
Size
886KB
-
MD5
293669a0b90d7bc20d639c077517ef93
-
SHA1
dbe8051a4f25ee4716297a36295cafb4e46c951c
-
SHA256
f6df04b1b109a5d525073529a3877c3df598f9fcb62278a82412fc7736ed1ba7
-
SHA512
1fbd62362ff5769bb07557a498c85eab818e4916a33aab2cc65dee5566ae3a6bc6b0761e943ea7d2551a70f7609881b8d3c23c1f69a60751ff1c80749079165a
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt
masslogger
Extracted
Protocol: smtp- Host:
mail.samlogistics.pk - Port:
587 - Username:
imp@samlogistics.pk - Password:
Seaimport121@
Signatures
-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
-
MassLogger Main Payload 33 IoCs
Processes:
resource yara_rule behavioral1/memory/1812-63-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-64-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-65-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-66-0x00000000004ACD3E-mapping.dmp family_masslogger behavioral1/memory/1812-68-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-70-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-72-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-74-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-76-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-78-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-80-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-82-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-84-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-86-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-88-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-90-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-92-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-94-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-96-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-98-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-100-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-102-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-104-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-108-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-106-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-110-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-112-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-114-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-116-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-120-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-118-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-122-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger behavioral1/memory/1812-124-0x0000000000400000-0x00000000004B2000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Modifies visibility of file extensions in Explorer 2 TTPs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Order inquiry skmt042.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation Order inquiry skmt042.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs
Processes:
Order inquiry skmt042.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 Order inquiry skmt042.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Order inquiry skmt042.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Order inquiry skmt042.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Order inquiry skmt042.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key created \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Order inquiry skmt042.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:
Order inquiry skmt042.exedescription pid process target process PID 1488 set thread context of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Order inquiry skmt042.exeOrder inquiry skmt042.exepid process 1488 Order inquiry skmt042.exe 1488 Order inquiry skmt042.exe 1488 Order inquiry skmt042.exe 1488 Order inquiry skmt042.exe 1812 Order inquiry skmt042.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Order inquiry skmt042.exeOrder inquiry skmt042.exedescription pid process Token: SeDebugPrivilege 1488 Order inquiry skmt042.exe Token: SeDebugPrivilege 1812 Order inquiry skmt042.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Order inquiry skmt042.exedescription pid process target process PID 1488 wrote to memory of 1940 1488 Order inquiry skmt042.exe schtasks.exe PID 1488 wrote to memory of 1940 1488 Order inquiry skmt042.exe schtasks.exe PID 1488 wrote to memory of 1940 1488 Order inquiry skmt042.exe schtasks.exe PID 1488 wrote to memory of 1940 1488 Order inquiry skmt042.exe schtasks.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe PID 1488 wrote to memory of 1812 1488 Order inquiry skmt042.exe Order inquiry skmt042.exe -
outlook_office_path 1 IoCs
Processes:
Order inquiry skmt042.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Order inquiry skmt042.exe -
outlook_win_path 1 IoCs
Processes:
Order inquiry skmt042.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 Order inquiry skmt042.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe"C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lgzxpd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADEC.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\Order inquiry skmt042.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
-
C:\Users\Admin\AppData\Local\Temp\tmpADEC.tmpFilesize
1KB
MD5e99475e8f5672579410a8fbf6cf2c29f
SHA179d033c47a0e1499944108f3fdf0ddfecb027e99
SHA256482ba606c5fdc50532630a6f0448ae171ac4837d10a7728552daa32dcf166aac
SHA5129aeae3f333083f5a28f3cc5bfc6f322250067497926ac736a78b5d31f1768cc4f7a23860ce92feaaadc30242ff9359f359ab16a38be4c6cc9d54d13d6fd87a2c
-
memory/1488-55-0x0000000000240000-0x000000000024A000-memory.dmpFilesize
40KB
-
memory/1488-56-0x00000000057A0000-0x0000000005866000-memory.dmpFilesize
792KB
-
memory/1488-57-0x00000000080E0000-0x0000000008192000-memory.dmpFilesize
712KB
-
memory/1488-54-0x0000000000250000-0x0000000000334000-memory.dmpFilesize
912KB
-
memory/1812-88-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-92-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-63-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-61-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-64-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-65-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-66-0x00000000004ACD3E-mapping.dmp
-
memory/1812-68-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-70-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-72-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-74-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-76-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-78-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-80-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-82-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-84-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-86-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-590-0x00000000043A0000-0x00000000043B4000-memory.dmpFilesize
80KB
-
memory/1812-90-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-60-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-94-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-96-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-98-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-100-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-102-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-104-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-108-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-106-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-110-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-112-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-114-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-116-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-120-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-118-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-122-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-124-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
-
memory/1812-587-0x0000000000720000-0x0000000000764000-memory.dmpFilesize
272KB
-
memory/1812-589-0x0000000004D55000-0x0000000004D66000-memory.dmpFilesize
68KB
-
memory/1940-58-0x0000000000000000-mapping.dmp