df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/10/2024, 13:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Fernissagerne.exe
Size

778KB
MD5

a992bbd745fa0540c9b12c43f871be00
SHA1

0435dd15bfd760449e06c1dd2413a4963539ff27
SHA256

df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005
SHA512

fdbd173fcaec5728117e5a5de3382b5da110f61799571f60cbf755047b77c9024a638ad558a47316b300a0b7f2053baa05d321f76b09459ce05932d985299737
SSDEEP

24576:zr5Ob+mp4ZW3/EYSdCVNF45yRQLvf81BV2m6ionDuf:SGW3GC/e5yiX8HuD+

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1980	powershell.exe

Drops file in System32 directory 1 IoCs

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

Drops file in Program Files directory 2 IoCs

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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Levitters.lnk	Fernissagerne.exe
File opened for modification	C:\Windows\Levitters.lnk	Fernissagerne.exe
File opened for modification	C:\Windows\resources\beent.elv	Fernissagerne.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 2 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	Fernissagerne.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1980	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1980	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1980	2064	Fernissagerne.exe	30
PID 2064 wrote to memory of 1980	2064	Fernissagerne.exe	30
PID 2064 wrote to memory of 1980	2064	Fernissagerne.exe	30
PID 2064 wrote to memory of 1980	2064	Fernissagerne.exe	30

C:\Users\Admin\AppData\Local\Temp\Fernissagerne.exe
"C:\Users\Admin\AppData\Local\Temp\Fernissagerne.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 use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Spydspids=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\Stragglier\Kmpehjenes.unt';$Gargle=$Spydspids.SubString(43550,3);.$Gargle($Spydspids)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1980-16-0x00000000741B1000-0x00000000741B2000-memory.dmp

Filesize
4KB

Download
memory/1980-17-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-19-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-20-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-18-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-21-0x00000000741B0000-0x000000007475B000-memory.dmp

Filesize
5.7MB

Download