f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa

General

Target

f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
Size

774KB
MD5

35a14ec5e93e8606051d692c0510b4b2
SHA1

58ffd63f713bf54c45237f3012cc92f624966376
SHA256

f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa
SHA512

a2d1173236b20a717d9ea402fd29540ce9ac002d49421d8343c34e7e63d5fcd8c9a3419ed130c677ac380b0a571cb7db23d6601cee19cc321045c0c035795c3c
SSDEEP

12288:tPVXv0yQ9TUH2pKvC7oh/dDVJnvpeBWIbyuwQL3OWntl81tTTZ/Oi5DwFyEionDs:NnnHLC2dfvpk5yRQLvf81BV2m6ionDu3

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1136	powershell.exe
2848	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\folkepensionsaldres\frostbiter.ini	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Stilting.Bra	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
File opened for modification	C:\Program Files (x86)\unprobably.ini	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Levitters.lnk	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
File opened for modification	C:\Windows\Levitters.lnk	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
File opened for modification	C:\Windows\resources\beent.elv	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	powershell.exe
2848	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1136	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	30
PID 1292 wrote to memory of 1136	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	30
PID 1292 wrote to memory of 1136	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	30
PID 1292 wrote to memory of 1136	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	30
PID 1292 wrote to memory of 2848	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	33
PID 1292 wrote to memory of 2848	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	33
PID 1292 wrote to memory of 2848	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	33
PID 1292 wrote to memory of 2848	1292	f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe	33

C:\Users\Admin\AppData\Local\Temp\f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe
"C:\Users\Admin\AppData\Local\Temp\f8b3078e40bcfcd0c464054ab5d942bff72aa8c27aa6cf9838dd2daaac854caa.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Noontimes=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\Stragglier\Saccate\Chiriguano.Ski';$Microbiologies=$Noontimes.SubString(1626,3);.$Microbiologies($Noontimes)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Noontimes=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\Stragglier\Saccate\Chiriguano.Ski';$Microbiologies=$Noontimes.SubString(1626,3);.$Microbiologies($Noontimes)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
64dff537e9c8eaf8e6744b2ed983b2d5

SHA1
7495f7b0c841df5e8779068ab49a368b32fa58bd

SHA256
d9bc2ece0620a83db282ff4307b095675812ef6ea37d93ed684ca93df206ba3f

SHA512
be75eb9e6ebe2589243839085bd96a6f6741f70d4a98579d7572d9aa3ddff0d124fc92e3bae7817e69bc853c0506e6a709989d8cc99fff8349f59d22448fbf25

Download Submit
memory/1136-16-0x0000000073A61000-0x0000000073A62000-memory.dmp

Filesize
4KB

Download
memory/1136-17-0x0000000073A60000-0x000000007400B000-memory.dmp

Filesize
5.7MB

Download
memory/1136-18-0x0000000073A60000-0x000000007400B000-memory.dmp

Filesize
5.7MB

Download
memory/1136-19-0x0000000073A60000-0x000000007400B000-memory.dmp

Filesize
5.7MB

Download
memory/1136-20-0x0000000073A60000-0x000000007400B000-memory.dmp

Filesize
5.7MB

Download
memory/1136-21-0x0000000073A60000-0x000000007400B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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