79603a70e51ee9753816523df9c4d76b93ab44cc917c43bb53c05505b38aab7b

Analysis

max time kernel
103s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 09:30

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General

Target

269499a7b14a918d6bd9c7baee5bf3c0N.exe
Size

135KB
MD5

269499a7b14a918d6bd9c7baee5bf3c0
SHA1

247c5df647e1d8fdbf435ae802bc9a1a696f6b47
SHA256

79603a70e51ee9753816523df9c4d76b93ab44cc917c43bb53c05505b38aab7b
SHA512

ba8037560c42c0bba5665917c42276b873d28b6d55a1ddc1366fd152ec57b36dc4b59cce1c81c4b8ba9fa970b9973b3e1ddf2e030f5002afa162fdc624d98f83
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q3:riAyLN9aa+9U2rW1ip6pr2At7NZuQ3

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3248	WwanSvc.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2588-0-0x0000000000A80000-0x0000000000AA8000-memory.dmp	upx
behavioral2/memory/3248-4-0x0000000000E80000-0x0000000000EA8000-memory.dmp	upx
behavioral2/files/0x000700000002344d-3.dat	upx
behavioral2/memory/2588-6-0x0000000000A80000-0x0000000000AA8000-memory.dmp	upx
behavioral2/memory/3248-7-0x0000000000E80000-0x0000000000EA8000-memory.dmp	upx

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"	269499a7b14a918d6bd9c7baee5bf3c0N.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	269499a7b14a918d6bd9c7baee5bf3c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3248	2588	269499a7b14a918d6bd9c7baee5bf3c0N.exe	84
PID 2588 wrote to memory of 3248	2588	269499a7b14a918d6bd9c7baee5bf3c0N.exe	84
PID 2588 wrote to memory of 3248	2588	269499a7b14a918d6bd9c7baee5bf3c0N.exe	84

C:\Users\Admin\AppData\Local\Temp\269499a7b14a918d6bd9c7baee5bf3c0N.exe
"C:\Users\Admin\AppData\Local\Temp\269499a7b14a918d6bd9c7baee5bf3c0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2588
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3248

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
135KB

MD5
dff4fe61673b9df01f6726566f3fe60f

SHA1
3420b060f0fb914472e75646dc9a5edff2406be0

SHA256
742a8e8d898403c26edd8aa0d54ff4af8cfb3b0dcf8042397ee1d4c7ad4144eb

SHA512
f2ea4a13e8919731b98b9ca93ccf2b105109c7b23ab1be3d6c8b6df8ae68927ab1a349ff05b3a2d5a2a27cfbbd81cc5249ef0e507a2326eedcf917006c1696d1

Download Submit
memory/2588-0-0x0000000000A80000-0x0000000000AA8000-memory.dmp

Filesize
160KB

Download
memory/2588-6-0x0000000000A80000-0x0000000000AA8000-memory.dmp

Filesize
160KB

Download
memory/3248-4-0x0000000000E80000-0x0000000000EA8000-memory.dmp

Filesize
160KB

Download
memory/3248-7-0x0000000000E80000-0x0000000000EA8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads