0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 18:41

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General

Target

0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe
Size

135KB
MD5

04b023b33d1d98af22e6975e18e19a73
SHA1

5c76d2948d3ff6e44bc3640e3b81fbdd00d0fe2e
SHA256

0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc
SHA512

7e730ae35763bb245ee59daefabc8f487cef4d31a30d24b87fca8729c089ba33d96c8431a177acbeacc6f54eb87ff5fd6331e53cf13f6adeda0afa492e9739fa
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q7:riAyLN9aa+9U2rW1ip6pr2At7NZuQ7

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1212	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1020-0-0x0000000000B30000-0x0000000000B58000-memory.dmp	upx
behavioral2/files/0x00080000000234d7-4.dat	upx
behavioral2/memory/1212-5-0x0000000000130000-0x0000000000158000-memory.dmp	upx
behavioral2/memory/1020-6-0x0000000000B30000-0x0000000000B58000-memory.dmp	upx
behavioral2/memory/1212-7-0x0000000000130000-0x0000000000158000-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"	0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.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	0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 1212	1020	0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe	87
PID 1020 wrote to memory of 1212	1020	0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe	87
PID 1020 wrote to memory of 1212	1020	0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe	87

C:\Users\Admin\AppData\Local\Temp\0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe
"C:\Users\Admin\AppData\Local\Temp\0b9d4f1f90826f185e5ee6a3905047fcf6efa4370849b4002b120cb26192d4dc.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1020
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1212

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
dbd3745742ae221f1683944ff4dfac39

SHA1
e299dbb8b8ccde25bb6adeb2b7d169acd2baad96

SHA256
a94016dcd05f20bf1bbf2d1575123f6f4fb7533d7183d0883d1032559b7262a7

SHA512
c33742e5aacf4fbd16f41af4528b1499d6ad96835f3b54f9807fc7a0355034d99993f0a1ff0610d9766be8368228010bcb6f0ff6723956be9087d82ea450fbad

Download Submit
memory/1020-0-0x0000000000B30000-0x0000000000B58000-memory.dmp

Filesize
160KB

Download
memory/1020-6-0x0000000000B30000-0x0000000000B58000-memory.dmp

Filesize
160KB

Download
memory/1212-5-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/1212-7-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads