eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294

Analysis

max time kernel
30s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 02:53

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General

Target

eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe
Size

94KB
MD5

9174dbcd76a6fc5e2e908d24fd0f2140
SHA1

6334aafece9fa07c404aadbd432187fb0eb1705c
SHA256

eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294
SHA512

af3e0572e02583f0fd843768596554d00546a183ff3522decb1268fe28c9d7fb3a0f11b3c70f9d86083b2c1df4a51cc48e7da7f2f333980a6cd80d8731384898
SSDEEP

1536:skPjmPwvx3PtLBzGMlGO+eo+zCj4CFgjASG3KazRZICrWaGZh7LLx1H:skLmuftLBzfIOz4VSGaqJrWNZ1Lx1H

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2952	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	Wwansvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\Wwansvc.exe\" /run"	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wwansvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 3052	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	30
PID 1520 wrote to memory of 3052	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	30
PID 1520 wrote to memory of 3052	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	30
PID 1520 wrote to memory of 3052	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	30
PID 1520 wrote to memory of 2952	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	31
PID 1520 wrote to memory of 2952	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	31
PID 1520 wrote to memory of 2952	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	31
PID 1520 wrote to memory of 2952	1520	eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe	31

C:\Users\Admin\AppData\Local\Temp\eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe
"C:\Users\Admin\AppData\Local\Temp\eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\ProgramData\Update\Wwansvc.exe
  "C:\ProgramData\Update\Wwansvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\eca26fcdfbe92eb903fbfa66ba76fc4c10bf8ba499b62431440369c90493a294N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\Wwansvc.exe

Filesize
94KB

MD5
892ee444795eba15fb3836c657f27c77

SHA1
27af7ed452a5bcb3ab43589e307955d6ef669fc2

SHA256
9acc9f861624ecdb9c9221bb83c268741e477632e5f26e3f8f5bea41c204947c

SHA512
5ef97bd77d16d49539e9eab3300472b37e6623ff63bc1b00058c494d2e0803a9dddc1d5fd70c1fab4743c77632cbffa4c0fc8c2c9b5e8782fea6c29b4c077f01

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads