6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a

Analysis

max time kernel
145s
max time network
130s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
18/08/2024, 11:23

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General

Target

6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe
Size

6.0MB
MD5

a14e062d5ddb947dd490cd3956c7de8a
SHA1

1a55234d22f14e88d27cfdcd9512abf1a02d1e61
SHA256

6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a
SHA512

da887bfbf53f8a2945d740114d111602292923fd884cac3157d77d74a03c31891bbd167271ed4f71c77bbac133b42f2dc3414447e3aa200d9f0427d1ceebb0e8
SSDEEP

49152:mVYXpGY8n5aL8P4hH4lhGtNfVkiC9H+xeUpw16cXqSOgvB6OGcP4NBgF5WIWPVv6:cu84hYlUfVkoSOgJRGcPMvOVHVKD3e

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerExpertNNT.lnk	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Windows\CurrentVersion\Run\ExtreamFanV6 = "C:\\Users\\Admin\\AppData\\Local\\ExtreamFanV6\\ExtreamFanV6.exe"	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3944 set thread context of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83

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	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3852	schtasks.exe
3400	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 3944 wrote to memory of 4108	3944	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	83
PID 4108 wrote to memory of 3852	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	84
PID 4108 wrote to memory of 3852	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	84
PID 4108 wrote to memory of 3852	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	84
PID 4108 wrote to memory of 3400	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	86
PID 4108 wrote to memory of 3400	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	86
PID 4108 wrote to memory of 3400	4108	6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe	86

C:\Users\Admin\AppData\Local\Temp\6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe
"C:\Users\Admin\AppData\Local\Temp\6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Users\Admin\AppData\Local\Temp\6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe
  "C:\Users\Admin\AppData\Local\Temp\6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf HR" /sc HOURLY /rl HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3852
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf LG" /sc ONLOGON /rl HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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:\ProgramData\jewkkwnf\jewkkwnf.exe

Filesize
6.0MB

MD5
a14e062d5ddb947dd490cd3956c7de8a

SHA1
1a55234d22f14e88d27cfdcd9512abf1a02d1e61

SHA256
6ccb73967f66acd2af71b4d41a7b5f3755f04d1adba41bafc573f8c1cc14c26a

SHA512
da887bfbf53f8a2945d740114d111602292923fd884cac3157d77d74a03c31891bbd167271ed4f71c77bbac133b42f2dc3414447e3aa200d9f0427d1ceebb0e8

Download Submit
memory/3944-33-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-2-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download
memory/3944-3-0x0000000005AF0000-0x0000000005C28000-memory.dmp

Filesize
1.2MB

Download
memory/3944-4-0x00000000062A0000-0x0000000006846000-memory.dmp

Filesize
5.6MB

Download
memory/3944-5-0x0000000005A30000-0x0000000005A4C000-memory.dmp

Filesize
112KB

Download
memory/3944-9-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-13-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-65-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-63-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-61-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-66-0x0000000074F50000-0x0000000075701000-memory.dmp

Filesize
7.7MB

Download
memory/3944-59-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-57-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-55-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-53-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-51-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-45-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-43-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-39-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-37-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-32-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-35-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp

Filesize
4KB

Download
memory/3944-29-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-27-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-25-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-23-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-21-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-19-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-17-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-11-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-7-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-49-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-47-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-41-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-15-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-6-0x0000000005A30000-0x0000000005A45000-memory.dmp

Filesize
84KB

Download
memory/3944-1-0x0000000000920000-0x0000000000F18000-memory.dmp

Filesize
6.0MB

Download
memory/3944-75-0x0000000074F50000-0x0000000075701000-memory.dmp

Filesize
7.7MB

Download
memory/4108-68-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4108-72-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4108-69-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4108-67-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4108-81-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads