ea6ab90d577d2a18db94e8cf4fdaee97225b344ac1699e6d84b653eed3b1d948

Analysis

max time kernel
101s
max time network
102s
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, 19:57

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General

Target

773f598e43f8ef5541942888d7bf5d50N.exe
Size

135KB
MD5

773f598e43f8ef5541942888d7bf5d50
SHA1

bee3f142bee79ea82651ac73d0a1afe6e7e3ecb9
SHA256

ea6ab90d577d2a18db94e8cf4fdaee97225b344ac1699e6d84b653eed3b1d948
SHA512

f72672848126ecd30b6910cbda98fe6b40f2409ef6642a13369a76779494a20517c263efaa5cf44cc784070e0d2412ee68692542de022403b2413ce4627813b6
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q9:riAyLN9aa+9U2rW1ip6pr2At7NZuQ9

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3036	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-0-0x0000000000730000-0x0000000000758000-memory.dmp	upx
behavioral2/files/0x0008000000023467-3.dat	upx
behavioral2/memory/4852-6-0x0000000000730000-0x0000000000758000-memory.dmp	upx
behavioral2/memory/3036-4-0x0000000000580000-0x00000000005A8000-memory.dmp	upx
behavioral2/memory/3036-7-0x0000000000580000-0x00000000005A8000-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"	773f598e43f8ef5541942888d7bf5d50N.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	773f598e43f8ef5541942888d7bf5d50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 3036	4852	773f598e43f8ef5541942888d7bf5d50N.exe	85
PID 4852 wrote to memory of 3036	4852	773f598e43f8ef5541942888d7bf5d50N.exe	85
PID 4852 wrote to memory of 3036	4852	773f598e43f8ef5541942888d7bf5d50N.exe	85

C:\Users\Admin\AppData\Local\Temp\773f598e43f8ef5541942888d7bf5d50N.exe
"C:\Users\Admin\AppData\Local\Temp\773f598e43f8ef5541942888d7bf5d50N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4852
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3036

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
4cdc3775798ed0f6c6838d89e7b2f9b1

SHA1
0489739d27d0710059ab61a9ad26c38241130a09

SHA256
d8bba51c31da6d9cc38357ab1f5cd30823662d7a44faf74edd87797e3fa1d93c

SHA512
51dbb9484af07e6dbb5551ad7ff60cce6ac2f167471ab77ede2e60c5ef10b2afaaf1d332e98f369fae9fc65f4a94eaf5fe04920e4e55ed0a31f3aea1adc37c1c

Download Submit
memory/3036-4-0x0000000000580000-0x00000000005A8000-memory.dmp

Filesize
160KB

Download
memory/3036-7-0x0000000000580000-0x00000000005A8000-memory.dmp

Filesize
160KB

Download
memory/4852-0-0x0000000000730000-0x0000000000758000-memory.dmp

Filesize
160KB

Download
memory/4852-6-0x0000000000730000-0x0000000000758000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads