b4a6a7b4e3b8285d232df5e5d3a3d6ba8474c13afc59086b1267d737c5052a03

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 07:24

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General

Target

malw.exe
Size

662KB
MD5

fd1c8a844272f22a0d5e01b667d4f91b
SHA1

92011d2ef6296463333b422df02ff59e0126a6c5
SHA256

b4a6a7b4e3b8285d232df5e5d3a3d6ba8474c13afc59086b1267d737c5052a03
SHA512

09a5db494b9ecf4234690643545e948418e3a8a3107e4ebe6027e13f09c1cebf9f332f94689809420d84fc1666bd7b6422ac4ac50efa20861d34f73395b93b4a
SSDEEP

12288:k2QJ9o2sW3B9o2G2/6SkwwOeO01ZAao2tezqrVcO5sZYw6bhyWjX53XOo:kv9o2sW3B9oV2iSkwwOe/U2HVcaNhyaf

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
2708	powershell.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Macroblast\affejendes.tid	malw.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	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2708	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2708	2644	malw.exe	30
PID 2644 wrote to memory of 2708	2644	malw.exe	30
PID 2644 wrote to memory of 2708	2644	malw.exe	30
PID 2644 wrote to memory of 2708	2644	malw.exe	30

C:\Users\Admin\AppData\Local\Temp\malw.exe
"C:\Users\Admin\AppData\Local\Temp\malw.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Appeachment=Get-Content -raw 'C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Sharpness.Kon';$Oplandsavises=$Appeachment.SubString(12242,3);.$Oplandsavises($Appeachment)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708

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

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Downloads

memory/2708-7-0x0000000073B51000-0x0000000073B52000-memory.dmp

Filesize
4KB

Download
memory/2708-9-0x0000000073B50000-0x00000000740FB000-memory.dmp

Filesize
5.7MB

Download
memory/2708-8-0x0000000073B50000-0x00000000740FB000-memory.dmp

Filesize
5.7MB

Download
memory/2708-10-0x0000000073B50000-0x00000000740FB000-memory.dmp

Filesize
5.7MB

Download