5fe3a49c79ed8fad91c99fcba8569867b8f0dc18d77bf63540eeb8e51318db87

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 02:51

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General

Target

513c2a2a6c03c6b17e727e34a2c63a70N.exe
Size

134KB
MD5

513c2a2a6c03c6b17e727e34a2c63a70
SHA1

2ede73f4b33be29be0b440ae8c4797ab05145c08
SHA256

5fe3a49c79ed8fad91c99fcba8569867b8f0dc18d77bf63540eeb8e51318db87
SHA512

06716d96b05a9d83aaa76ec460293b888c82e83f8287a850c04437b0f25a046c1a2f53d3453888f6ce4eb75560c0eb570aaaaf275247552a1205fa77ea1bd5bc
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QJ:riAyLN9aa+9U2rW1ip6pr2At7NZuQJ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1440	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	513c2a2a6c03c6b17e727e34a2c63a70N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2360-1-0x0000000000CE0000-0x0000000000D08000-memory.dmp	upx
behavioral1/files/0x00080000000174ab-2.dat	upx
behavioral1/memory/1440-7-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
behavioral1/memory/1440-9-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
behavioral1/memory/2360-10-0x0000000000CE0000-0x0000000000D08000-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"	513c2a2a6c03c6b17e727e34a2c63a70N.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	513c2a2a6c03c6b17e727e34a2c63a70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1440	2360	513c2a2a6c03c6b17e727e34a2c63a70N.exe	30
PID 2360 wrote to memory of 1440	2360	513c2a2a6c03c6b17e727e34a2c63a70N.exe	30
PID 2360 wrote to memory of 1440	2360	513c2a2a6c03c6b17e727e34a2c63a70N.exe	30
PID 2360 wrote to memory of 1440	2360	513c2a2a6c03c6b17e727e34a2c63a70N.exe	30

C:\Users\Admin\AppData\Local\Temp\513c2a2a6c03c6b17e727e34a2c63a70N.exe
"C:\Users\Admin\AppData\Local\Temp\513c2a2a6c03c6b17e727e34a2c63a70N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1440

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

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
4b82bf9a3d3672feffb94753402bdae1

SHA1
57de9cd6af0011b254dfde2ccebeaefbf0fb9bd9

SHA256
e95b36279e57eed039900dbcf5473ac1b11c07c00a595b0dff6521b7ca3f309c

SHA512
059c0b8edfe0ae82f25073d8b842c77a76269c26a0c181820395cf5d4b2c1b4733f35460b88558e89b8d21f283cde5fe2b7fde7dc3a3c4baca6bc9f19e3b496a

Download Submit
memory/1440-7-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/1440-9-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/2360-1-0x0000000000CE0000-0x0000000000D08000-memory.dmp

Filesize
160KB

Download
memory/2360-6-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/2360-8-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/2360-10-0x0000000000CE0000-0x0000000000D08000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads