b9d448d8609936ae3b4373d39b259a98e570983d04970b89a5b38bd0cdfdba0b

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 04:10

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General

Target

49f97f80cac21a5f4cd60388b8c5af80N.exe
Size

97KB
MD5

49f97f80cac21a5f4cd60388b8c5af80
SHA1

2c40023629daf4dec3fbcad6976109f4dad8d504
SHA256

b9d448d8609936ae3b4373d39b259a98e570983d04970b89a5b38bd0cdfdba0b
SHA512

6b4f0db29e5a8e006dad9d5d3660ffad9bc757eb9d612f6f93b0abef4db04f718807c723219fd52379fcdbde1e56adf312a6b0f64774ed4fc6663409c9da3192
SSDEEP

1536:iF0AJzLopHG9aa+9qX3apJoAKWYr0vcioyjp2RXKTzRZICrWaGZh7U:iiApLN9aa+9U2EWyipjp2R6JJrWNZa

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4492	WwanSvc.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"	49f97f80cac21a5f4cd60388b8c5af80N.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49f97f80cac21a5f4cd60388b8c5af80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4492	5040	49f97f80cac21a5f4cd60388b8c5af80N.exe	82
PID 5040 wrote to memory of 4492	5040	49f97f80cac21a5f4cd60388b8c5af80N.exe	82
PID 5040 wrote to memory of 4492	5040	49f97f80cac21a5f4cd60388b8c5af80N.exe	82

C:\Users\Admin\AppData\Local\Temp\49f97f80cac21a5f4cd60388b8c5af80N.exe
"C:\Users\Admin\AppData\Local\Temp\49f97f80cac21a5f4cd60388b8c5af80N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4492

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

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

C:\ProgramData\Update\WwanSvc.exe

Filesize
97KB

MD5
1050052996f4081fb125284a8fe9def6

SHA1
69384cdfc5d783b49097a0690581e2337882a56a

SHA256
353db3222e9db85c0090e692a52c2d24d1a8fc5eef593b6a8a901e50c1c8c250

SHA512
1a1394d42167dfc193a8c10268d08ca6d5cc09ea9e816c773cd6861070aff4bf7c2f57efe3f4b415032a5935560aa4e5e2644a9aa9a592ced9237bce6b74f004

Download Submit
memory/4492-4-0x0000000000430000-0x000000000044E000-memory.dmp

Filesize
120KB

Download
memory/4492-7-0x0000000000430000-0x000000000044E000-memory.dmp

Filesize
120KB

Download
memory/5040-0-0x00000000001F0000-0x000000000020E000-memory.dmp

Filesize
120KB

Download
memory/5040-6-0x00000000001F0000-0x000000000020E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads