611a2ade6f67ae244be4e1234aefa1d1d953444840df06bc7258529538d3dc23

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 20:30

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General

Target

b70a5e757f516c0e98f5fc10e05b2d20N.exe
Size

94KB
MD5

b70a5e757f516c0e98f5fc10e05b2d20
SHA1

887a5fa05c191e9ca07ca9f9b055b5782ba3c9be
SHA256

611a2ade6f67ae244be4e1234aefa1d1d953444840df06bc7258529538d3dc23
SHA512

8018ae07e03ec0db90e5f4549d8c5b42ce3e4b01273987838e660e791968510afa5e37e33de038e80ab84ef8a728ef52499b86548da2733a7b588f84e6ce9c3a
SSDEEP

1536:tF0AJELoJHG9qa+oa33KJJzAKWYr0v7iJSzIRXKTzRZICrWaGZh7d:tiAyLN9qa+oEGrWViJSzIR6JJrWNZf

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1740	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
328	b70a5e757f516c0e98f5fc10e05b2d20N.exe

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"	b70a5e757f516c0e98f5fc10e05b2d20N.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	b70a5e757f516c0e98f5fc10e05b2d20N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 1740	328	b70a5e757f516c0e98f5fc10e05b2d20N.exe	30
PID 328 wrote to memory of 1740	328	b70a5e757f516c0e98f5fc10e05b2d20N.exe	30
PID 328 wrote to memory of 1740	328	b70a5e757f516c0e98f5fc10e05b2d20N.exe	30
PID 328 wrote to memory of 1740	328	b70a5e757f516c0e98f5fc10e05b2d20N.exe	30

C:\Users\Admin\AppData\Local\Temp\b70a5e757f516c0e98f5fc10e05b2d20N.exe
"C:\Users\Admin\AppData\Local\Temp\b70a5e757f516c0e98f5fc10e05b2d20N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:328
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1740

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
94KB

MD5
4789859a2846c93ff22a089d37b90c8d

SHA1
06374a4fef9d93cd48f931c87d3e4999946a6875

SHA256
4d5b22e31fb96ae6f3963aa2b5bc855ff0889b688d14f9df03c516eea7e29feb

SHA512
d51e1a1b9b7772b104b9492c0d2e64995f20fc61810481a86a74602d462eec3bb543d1308b09c70c75b233e2671dcd0ff6cb28e2e7a4e8899d09df92c9861051

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads