3f33219145e2b4e53731d445ce1e366ac685f092835b8eda50e41e7113014a15

Analysis

max time kernel
101s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
19/04/2025, 14:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RWFkOB6dKcCEKNt.exe
Size

639KB
MD5

e338ac0420228d826826f9afdb49434d
SHA1

eb40be01001791cace6246c363fbb796fff61fc5
SHA256

9948ae75550edf04cbad0aa67a427908d5f5dd86bae12998ff9e4debfc28a645
SHA512

2b149ae5a53dd7dd4244553f2b3abe486397bde120c766765a6af07bc3dd1112c7f6821501b87e1c918fb8ac1b77cc7d21b7e46fa81535d2830d8af974d6dd84
SSDEEP

12288:0/yqIkwVZgZTprxD8yoEGhwVS7raZxhr0AnxzKqOnkkj+S6GjhXmN3i5kXw61GbR:gJIviZfTGhwVSHad4Anxz1GkkaSJIN34

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
796	powershell.exe
2540	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
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 4 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	RWFkOB6dKcCEKNt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3508	RWFkOB6dKcCEKNt.exe
796	powershell.exe
2540	powershell.exe
796	powershell.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
3508	RWFkOB6dKcCEKNt.exe
2540	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	RWFkOB6dKcCEKNt.exe
Token: SeDebugPrivilege	796	powershell.exe
Token: SeDebugPrivilege	2540	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 796	3508	RWFkOB6dKcCEKNt.exe	79
PID 3508 wrote to memory of 796	3508	RWFkOB6dKcCEKNt.exe	79
PID 3508 wrote to memory of 796	3508	RWFkOB6dKcCEKNt.exe	79
PID 3508 wrote to memory of 2540	3508	RWFkOB6dKcCEKNt.exe	81
PID 3508 wrote to memory of 2540	3508	RWFkOB6dKcCEKNt.exe	81
PID 3508 wrote to memory of 2540	3508	RWFkOB6dKcCEKNt.exe	81
PID 3508 wrote to memory of 2128	3508	RWFkOB6dKcCEKNt.exe	83
PID 3508 wrote to memory of 2128	3508	RWFkOB6dKcCEKNt.exe	83
PID 3508 wrote to memory of 2128	3508	RWFkOB6dKcCEKNt.exe	83
PID 3508 wrote to memory of 5088	3508	RWFkOB6dKcCEKNt.exe	85
PID 3508 wrote to memory of 5088	3508	RWFkOB6dKcCEKNt.exe	85
PID 3508 wrote to memory of 5088	3508	RWFkOB6dKcCEKNt.exe	85
PID 3508 wrote to memory of 3976	3508	RWFkOB6dKcCEKNt.exe	86
PID 3508 wrote to memory of 3976	3508	RWFkOB6dKcCEKNt.exe	86
PID 3508 wrote to memory of 3976	3508	RWFkOB6dKcCEKNt.exe	86
PID 3508 wrote to memory of 5096	3508	RWFkOB6dKcCEKNt.exe	87
PID 3508 wrote to memory of 5096	3508	RWFkOB6dKcCEKNt.exe	87
PID 3508 wrote to memory of 5096	3508	RWFkOB6dKcCEKNt.exe	87
PID 3508 wrote to memory of 3644	3508	RWFkOB6dKcCEKNt.exe	88
PID 3508 wrote to memory of 3644	3508	RWFkOB6dKcCEKNt.exe	88
PID 3508 wrote to memory of 3644	3508	RWFkOB6dKcCEKNt.exe	88
PID 3508 wrote to memory of 5084	3508	RWFkOB6dKcCEKNt.exe	89
PID 3508 wrote to memory of 5084	3508	RWFkOB6dKcCEKNt.exe	89
PID 3508 wrote to memory of 5084	3508	RWFkOB6dKcCEKNt.exe	89

C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe
"C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bbehmlw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2540
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bbehmlw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0DF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2128
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:5088
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:5096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3644
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:5084

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
aac7006a9f61eff851444aef74a45a47

SHA1
a1a624ca042b9e2088715a38dcf065ea2272dbde

SHA256
4afff63a4dcbebb2ec4f0db81570ad78f0bdd59593f596e59aa9f7f9bc37e547

SHA512
c90439cd51b469f48529ecbf24145ac83f22cd4a8e1960c8203540f7978340d81346e42266d2260632de3d5000a5146304c603a7d5e701266f4b4a22cf4f98c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eymmxg24.yvw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC0DF.tmp

Filesize
1KB

MD5
940aa3ca99713d2621767e13dab222dd

SHA1
c9d78b2a9f71f3e4fdcd585e280098cc4fc99c64

SHA256
d8da05c26f7fc4f2527cb4cb5a22a74f01e6af3d17ce215219eadca901cf4854

SHA512
98ebf6b32298b8c01c23e34b3501c3c413a7f02e63ee0d9f579732512a01672097bd509ae5a9e3a6147a078b36b9bb33dfdfffbf6ee3fa7443c151462f3fedba

Download Submit
memory/796-16-0x00000000049A0000-0x00000000049D6000-memory.dmp

Filesize
216KB

Download
memory/796-19-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/796-74-0x00000000073E0000-0x00000000073F5000-memory.dmp

Filesize
84KB

Download
memory/796-73-0x00000000073D0000-0x00000000073DE000-memory.dmp

Filesize
56KB

Download
memory/796-63-0x00000000073A0000-0x00000000073B1000-memory.dmp

Filesize
68KB

Download
memory/796-62-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/796-61-0x0000000007210000-0x000000000721A000-memory.dmp

Filesize
40KB

Download
memory/796-59-0x00000000077D0000-0x0000000007E4A000-memory.dmp

Filesize
6.5MB

Download
memory/796-48-0x00000000703C0000-0x000000007040C000-memory.dmp

Filesize
304KB

Download
memory/796-17-0x00000000050A0000-0x00000000056CA000-memory.dmp

Filesize
6.2MB

Download
memory/796-18-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/796-75-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/796-60-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/796-76-0x00000000074D0000-0x00000000074D8000-memory.dmp

Filesize
32KB

Download
memory/796-22-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/796-58-0x0000000006E60000-0x0000000006F04000-memory.dmp

Filesize
656KB

Download
memory/796-79-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/796-39-0x00000000059C0000-0x0000000005D17000-memory.dmp

Filesize
3.3MB

Download
memory/796-57-0x00000000063D0000-0x00000000063EE000-memory.dmp

Filesize
120KB

Download
memory/796-23-0x00000000057C0000-0x00000000057E2000-memory.dmp

Filesize
136KB

Download
memory/796-44-0x00000000063F0000-0x000000000643C000-memory.dmp

Filesize
304KB

Download
memory/796-43-0x0000000005E40000-0x0000000005E5E000-memory.dmp

Filesize
120KB

Download
memory/796-47-0x0000000006E20000-0x0000000006E54000-memory.dmp

Filesize
208KB

Download
memory/2540-26-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/2540-64-0x00000000703C0000-0x000000007040C000-memory.dmp

Filesize
304KB

Download
memory/2540-83-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/2540-27-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/2540-20-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/3508-11-0x0000000007F20000-0x0000000007F98000-memory.dmp

Filesize
480KB

Download
memory/3508-10-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/3508-9-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3508-8-0x0000000005190000-0x00000000051A2000-memory.dmp

Filesize
72KB

Download
memory/3508-46-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/3508-7-0x00000000067E0000-0x0000000006872000-memory.dmp

Filesize
584KB

Download
memory/3508-6-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/3508-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/3508-4-0x0000000004F80000-0x000000000501C000-memory.dmp

Filesize
624KB

Download
memory/3508-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/3508-2-0x0000000005310000-0x00000000058B6000-memory.dmp

Filesize
5.6MB

Download
memory/3508-1-0x00000000002F0000-0x0000000000392000-memory.dmp

Filesize
648KB

Download
memory/3508-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download