7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 02:00

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General

Target

7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe
Size

738KB
MD5

884358a9e9da158f576b7b7e42521d70
SHA1

a9d488b27fc2d65df89c1049c9cdf380e37e435f
SHA256

7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd
SHA512

630c905e255424dc8e54a8b945aaa5673e6ff25fe4e2f9713b73a3f5a622ff8f5d33bfc06ccecd85e5017bac27e31007c878acba32af509000a6c51fdaea0216
SSDEEP

12288:javPpBdFOdWbKSYQNGHkROyGOs61IYZVAecgs9FMa1Mdq8jJN:javzLDK+NjDGMIYO7MoON

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
2488	powershell.exe
1652	powershell.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Grubstaking.bro	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.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	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.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
1652	powershell.exe
2488	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	2488	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2488	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	31
PID 2028 wrote to memory of 2488	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	31
PID 2028 wrote to memory of 2488	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	31
PID 2028 wrote to memory of 2488	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	31
PID 2028 wrote to memory of 1652	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	33
PID 2028 wrote to memory of 1652	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	33
PID 2028 wrote to memory of 1652	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	33
PID 2028 wrote to memory of 1652	2028	7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe	33

C:\Users\Admin\AppData\Local\Temp\7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe
"C:\Users\Admin\AppData\Local\Temp\7821d35c1866a3ecd43b15d6a171fd9f11d70907105cc27f6b7f0760ca86bccd.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$supportable=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Variabelforklaringen.Adi';$Svinehundens=$supportable.SubString(52555,3);.$Svinehundens($supportable)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$supportable=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Variabelforklaringen.Adi';$Svinehundens=$supportable.SubString(52555,3);.$Svinehundens($supportable)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1652

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

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Downloads

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

Filesize
7KB

MD5
5806dd633468971d3469bdd121e2b2ca

SHA1
337badccf843962880fe270623807d8a466c306d

SHA256
a36b736eef18712c52ed04d5f19fa68bc2e3ad7df304f3448accd35aa27f70f4

SHA512
3c5a805e4d6c4e1cb02fc8a3fb313c4588e1bf3575c265acae9a46a55151fa06d9f4d28ab3941c6c0f45564f33b4272de3b907f66890023d492d5085a4516630

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