a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 02:49

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General

Target

a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe
Size

1.9MB
MD5

6f4b9a86ae77415b5497874919ddf6d1
SHA1

1986f8eb59766fca81c04ee26ce36e6f0aca0a99
SHA256

a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8
SHA512

8b818fd1531b45a47571dfebdc8730114bbad58ec6db64f81591ee78ea84eee0c07074c38475c994a44b36324b3f22fc3de201e4dc4bfb39019e2700c7c02ba2
SSDEEP

49152:FVg5tQ7aWpVDYcHDNYiOE/rvSt7Ch+aodoHwGgQG5:rg56Zhj+iO8SB3DbQ

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

dews.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dews.vbs	dews.exe

Executes dropped EXE 1 IoCs

Processes:

dews.exe

pid	Process
4376	dews.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023cc4-9.dat	autoit_exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3964	4376	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exedews.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dews.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exedews.exe

description	pid	Process	procid_target
PID 1740 wrote to memory of 4376	1740	a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe	82
PID 1740 wrote to memory of 4376	1740	a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe	82
PID 1740 wrote to memory of 4376	1740	a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe	82
PID 4376 wrote to memory of 4872	4376	dews.exe	85
PID 4376 wrote to memory of 4872	4376	dews.exe	85
PID 4376 wrote to memory of 4872	4376	dews.exe	85

C:\Users\Admin\AppData\Local\Temp\a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe
"C:\Users\Admin\AppData\Local\Temp\a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\overrough\dews.exe
  "C:\Users\Admin\AppData\Local\Temp\a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8.exe"
    3⤵
    PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 712
    3⤵
    - Program crash
    PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4376 -ip 4376
1⤵
PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Local\Temp\Hezron

Filesize
1.5MB

MD5
6272d30810ec70134f39538df7ae164f

SHA1
98319a8bb87d499e8af11fd85b9c91997b71907a

SHA256
9d8807a7c8c7f7ffc8d2c01fb220c5614ac411c3a26d31f756def18b994548f0

SHA512
0dcf872b19326301b28a703fcacad1badee72868abb12052d9864bd94b1ed7da846c91f0bdb88e2d3886e03de6fe61e89bf9f09c219ab6531a7151fa2468e0d8

Download Submit
C:\Users\Admin\AppData\Local\overrough\dews.exe

Filesize
1.9MB

MD5
6f4b9a86ae77415b5497874919ddf6d1

SHA1
1986f8eb59766fca81c04ee26ce36e6f0aca0a99

SHA256
a6efd2f90c60aa91d0066df9ec79d8a72d99e942d49c8e7327f82c58b86077a8

SHA512
8b818fd1531b45a47571dfebdc8730114bbad58ec6db64f81591ee78ea84eee0c07074c38475c994a44b36324b3f22fc3de201e4dc4bfb39019e2700c7c02ba2

Download Submit
memory/1740-6-0x0000000001230000-0x0000000001630000-memory.dmp

Filesize
4.0MB

Download
memory/4376-18-0x0000000001600000-0x0000000001A00000-memory.dmp

Filesize
4.0MB

Download