52cb62fc662748b8c1f47a84629908d91ce13ee370683086a7932b45423d612e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 16:38

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General

Target

SEM2024000002383.exe
Size

748KB
MD5

06fa51d68f2545f28a2b942b01a4bb13
SHA1

74fb1ce042c1982155d6d190b446dd429c7ad463
SHA256

fb79dfe6e2eebbe7882d3e688ff377c3ffcfc8d41f35e1af16f224846f4fab5b
SHA512

a11d5b3fccfc2cf03913903382b2521b609bd2d798d50e6b151c8a88f1cb835456e0f1ace18c50037de6b93c656f51b88e783fb42b80b38fd3be0d772cc5c773
SSDEEP

12288:jG6QMVyGP0Fx53cAA0jGnheowOyGOs61IYZVAecgs9FMa1Mdq8jJM:jG6QtGP0OhsGnheowDGMIYO7MoOM

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
3004	powershell.exe
2584	powershell.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Grubstaking.bro	SEM2024000002383.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	SEM2024000002383.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
2584	powershell.exe
3004	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	3004	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3004	2532	SEM2024000002383.exe	30
PID 2532 wrote to memory of 3004	2532	SEM2024000002383.exe	30
PID 2532 wrote to memory of 3004	2532	SEM2024000002383.exe	30
PID 2532 wrote to memory of 3004	2532	SEM2024000002383.exe	30
PID 2532 wrote to memory of 2584	2532	SEM2024000002383.exe	32
PID 2532 wrote to memory of 2584	2532	SEM2024000002383.exe	32
PID 2532 wrote to memory of 2584	2532	SEM2024000002383.exe	32
PID 2532 wrote to memory of 2584	2532	SEM2024000002383.exe	32

C:\Users\Admin\AppData\Local\Temp\SEM2024000002383.exe
"C:\Users\Admin\AppData\Local\Temp\SEM2024000002383.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Woodwaxen=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Synligstes84.Hig';$Fragtvogne=$Woodwaxen.SubString(6209,3);.$Fragtvogne($Woodwaxen)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3004
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Woodwaxen=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Synligstes84.Hig';$Fragtvogne=$Woodwaxen.SubString(6209,3);.$Fragtvogne($Woodwaxen)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2584

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b73bc0a02cad6f06f08209e92d2b02f4

SHA1
a48991b1768bf92ad18aa4779ef4c169d0e6bb3b

SHA256
446b03ca889e58b8159037bd13262001047ea48c8f5e1fd97ee29be3aa0601fe

SHA512
21ad961ff2084f11e826185e96f722eda36d209d2575ad58fe5fe63fa2049b38070722d323445679e4e5eaec762684540e53977057a9b9e21e44d84755467551

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