a3186456751497106eee3ecbfc4a6cdca92ca92daba2a21c9e358ad59ac57265

Analysis

max time kernel
95s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 23:14

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General

Target

260de2c208fb65871ca1b0b8758f8f50N.exe
Size

135KB
MD5

260de2c208fb65871ca1b0b8758f8f50
SHA1

ac507e81093dac4cf7329b4d6ddddbe9d9e376e2
SHA256

a3186456751497106eee3ecbfc4a6cdca92ca92daba2a21c9e358ad59ac57265
SHA512

425a7e2630f62121685f526e68c934176c499cb970e1041223ff26d7fad47dd1f250c84f5e629208b949f2198f5c5a065539e62c99c9a244e5d6de7d5d28a526
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QI:riAyLN9aa+9U2rW1ip6pr2At7NZuQI

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
224	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/532-0-0x0000000000EF0000-0x0000000000F18000-memory.dmp	upx
behavioral2/files/0x0008000000023503-3.dat	upx
behavioral2/memory/224-6-0x00000000000E0000-0x0000000000108000-memory.dmp	upx
behavioral2/memory/532-5-0x0000000000EF0000-0x0000000000F18000-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"	260de2c208fb65871ca1b0b8758f8f50N.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	260de2c208fb65871ca1b0b8758f8f50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 224	532	260de2c208fb65871ca1b0b8758f8f50N.exe	83
PID 532 wrote to memory of 224	532	260de2c208fb65871ca1b0b8758f8f50N.exe	83
PID 532 wrote to memory of 224	532	260de2c208fb65871ca1b0b8758f8f50N.exe	83

C:\Users\Admin\AppData\Local\Temp\260de2c208fb65871ca1b0b8758f8f50N.exe
"C:\Users\Admin\AppData\Local\Temp\260de2c208fb65871ca1b0b8758f8f50N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:224

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
d68da2fde62f9108309f358a0dbc4594

SHA1
fe4c9ae403ba512610dcb9176da3e1a56e95eef6

SHA256
ffbd62df3223dce6c9cd63d91ef6db08d7679d51c845641ae6184a4b853130e6

SHA512
9558d12562b5389086d4b6411b8006da17ecff1171fb6949ab4967cadb0822b8c199acfef85757e310574116251daa7516c6939e644fd8acdfbf057df02aedf3

Download Submit
memory/224-6-0x00000000000E0000-0x0000000000108000-memory.dmp

Filesize
160KB

Download
memory/532-0-0x0000000000EF0000-0x0000000000F18000-memory.dmp

Filesize
160KB

Download
memory/532-5-0x0000000000EF0000-0x0000000000F18000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads