Analysis
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max time kernel
93s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 16:16
Static task
static1
Behavioral task
behavioral1
Sample
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
Resource
win10v2004-20220721-en
General
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Target
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe
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Size
274KB
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MD5
9c4211d39decc16081148906357cb7c1
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SHA1
3af2dacd93722f979a5dd7cf62775fe96d53ebbd
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SHA256
8641e15c78f1ce0512d18e2bf90539ff8df008e4092b001cda6ca0cebd99ae25
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SHA512
b01ab246c0223414e83c38a3c839ce5fb1ca23a3f0c63d0f17b54de4a3c8a2131e683d775efc529c7dd4fae3210f2e7e9f16dc404a8ddbc6d31c03afc0cc3ad5
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
mshta.exedescription pid pid_target process target process Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1504 4848 mshta.exe -
ModiLoader Second Stage 6 IoCs
Processes:
resource yara_rule behavioral2/memory/4112-133-0x0000000000000000-mapping.dmp modiloader_stage2 behavioral2/memory/4112-134-0x0000000000400000-0x0000000000436000-memory.dmp modiloader_stage2 behavioral2/memory/4112-136-0x0000000000400000-0x0000000000436000-memory.dmp modiloader_stage2 behavioral2/memory/4112-137-0x0000000000400000-0x0000000000436000-memory.dmp modiloader_stage2 behavioral2/memory/4112-138-0x0000000000980000-0x0000000000A42000-memory.dmp modiloader_stage2 behavioral2/memory/4112-149-0x0000000000980000-0x0000000000A42000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation mshta.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exedescription pid process target process PID 2068 set thread context of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.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: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4296 powershell.exe 4296 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4296 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exepid process 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exemshta.exedescription pid process target process PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 2068 wrote to memory of 4112 2068 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe 8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe PID 1504 wrote to memory of 4296 1504 mshta.exe powershell.exe PID 1504 wrote to memory of 4296 1504 mshta.exe powershell.exe PID 1504 wrote to memory of 4296 1504 mshta.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"C:\Users\Admin\AppData\Local\Temp\8641E15C78F1CE0512D18E2BF90539FF8DF008E4092B0.exe"2⤵
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C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" javascript:xr0wFTM="23hvAwHU";V41Z=new%20ActiveXObject("WScript.Shell");vhWHR0s="ujFVgEX0";sb1XJ=V41Z.RegRead("HKLM\\software\\Wow6432Node\\QdTTVRaFE2\\KhB1iHfTl6");hKV4CFApH4="pRkTX";eval(sb1XJ);IpajWi0Vf="Y";1⤵
- Process spawned unexpected child process
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:exchsw2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4112-133-0x0000000000000000-mapping.dmp
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memory/4112-134-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/4112-136-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/4112-137-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/4112-138-0x0000000000980000-0x0000000000A42000-memory.dmpFilesize
776KB
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memory/4112-149-0x0000000000980000-0x0000000000A42000-memory.dmpFilesize
776KB
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memory/4296-141-0x0000000002C70000-0x0000000002CA6000-memory.dmpFilesize
216KB
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memory/4296-142-0x0000000005640000-0x0000000005C68000-memory.dmpFilesize
6.2MB
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memory/4296-143-0x00000000055E0000-0x0000000005602000-memory.dmpFilesize
136KB
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memory/4296-144-0x0000000005DE0000-0x0000000005E46000-memory.dmpFilesize
408KB
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memory/4296-145-0x0000000005E50000-0x0000000005EB6000-memory.dmpFilesize
408KB
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memory/4296-146-0x0000000006390000-0x00000000063AE000-memory.dmpFilesize
120KB
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memory/4296-147-0x0000000007BC0000-0x000000000823A000-memory.dmpFilesize
6.5MB
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memory/4296-148-0x0000000006890000-0x00000000068AA000-memory.dmpFilesize
104KB
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memory/4296-140-0x0000000000000000-mapping.dmp