a72ee360d0404ea94002ff92d5ba4f8cadedb6ff8b9c012825abc70240d0aeb2

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 07:40

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General

Target

7f9b962da71f235f8487e00138d724f0N.exe
Size

134KB
MD5

7f9b962da71f235f8487e00138d724f0
SHA1

704f08070d074c1cafed4f38bf24801b50aa3e0e
SHA256

a72ee360d0404ea94002ff92d5ba4f8cadedb6ff8b9c012825abc70240d0aeb2
SHA512

6d2a47e71536c5d40ecef1f3c5d73cd32cee58c7df511799d3820192877422d38887778d4b90a1d012e9bec58f9d26c3e4784bfa4621e89f1c6d72c5cccc6d04
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qt:riAyLN9aa+9U2rW1ip6pr2At7NZuQt

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1488	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1988-0-0x0000000000550000-0x0000000000578000-memory.dmp	upx
behavioral2/memory/1988-6-0x0000000000550000-0x0000000000578000-memory.dmp	upx
behavioral2/files/0x0008000000023584-5.dat	upx
behavioral2/memory/1488-4-0x0000000000520000-0x0000000000548000-memory.dmp	upx
behavioral2/memory/1488-7-0x0000000000520000-0x0000000000548000-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"	7f9b962da71f235f8487e00138d724f0N.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	7f9b962da71f235f8487e00138d724f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1488	1988	7f9b962da71f235f8487e00138d724f0N.exe	90
PID 1988 wrote to memory of 1488	1988	7f9b962da71f235f8487e00138d724f0N.exe	90
PID 1988 wrote to memory of 1488	1988	7f9b962da71f235f8487e00138d724f0N.exe	90

C:\Users\Admin\AppData\Local\Temp\7f9b962da71f235f8487e00138d724f0N.exe
"C:\Users\Admin\AppData\Local\Temp\7f9b962da71f235f8487e00138d724f0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1488

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4508,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:1660

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
134KB

MD5
eae722901c4995908321bcc09fc9427f

SHA1
a09061b2f6c4cb0f6b4671814df9e0ef1020a0c3

SHA256
5cc4b945b07db9f7ff63cd9dd41f95eb360696c437cf9f8d3ceef6fb2b9652f8

SHA512
de36677fac9cf7d2110f50ac1ca6a9ec51828be57e281e492d3bb01a85a357ef244827fe5cb37189b1aaae86829eb8f763cf4901f776f8523f4d9377879ba45f

Download Submit
memory/1488-4-0x0000000000520000-0x0000000000548000-memory.dmp

Filesize
160KB

Download
memory/1488-7-0x0000000000520000-0x0000000000548000-memory.dmp

Filesize
160KB

Download
memory/1988-0-0x0000000000550000-0x0000000000578000-memory.dmp

Filesize
160KB

Download
memory/1988-6-0x0000000000550000-0x0000000000578000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads