799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 23:05

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General

Target

799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe
Size

97KB
MD5

3efdee1adf84a6030f28b59dd8c0d31b
SHA1

a16400f01c85ea334e4e0187d6e0d74f8b124115
SHA256

799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035
SHA512

ccb85d8ff98dc94c39e0d73b87642d30f8e6f0747d6ae3b2c0cd43289740230a13db05ea25cbdf8cee52895f27692880d00e1582609ff051577f978f07f16d3c
SSDEEP

1536:iF0AJzLopHG9aa+9qX3apJoAKWYr0vcioyjp2RXKTzRZICrWaGZh7c:iiApLN9aa+9U2EWyipjp2R6JJrWNZ2

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2612	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
548	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.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"	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.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	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2612	548	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe	31
PID 548 wrote to memory of 2612	548	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe	31
PID 548 wrote to memory of 2612	548	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe	31
PID 548 wrote to memory of 2612	548	799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe	31

C:\Users\Admin\AppData\Local\Temp\799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe
"C:\Users\Admin\AppData\Local\Temp\799a7e91dc191ee61d1026a454b6dd7526984d4cd4d1e7d9bde6dce8f7ac2035.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2612

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
97KB

MD5
a1530909ab0fe5b5d9c147d1110b4540

SHA1
e45c84b09ec7220427510f38bee89540af9cd822

SHA256
3b74ab8ce6e71d5bd307d7bf63f21d296a05d38a39cdc427f800cfb183943bd2

SHA512
7cd124f0991a6bcb2e9196ebafa13bc8b26b29e1539f51e9ced7a607b934ffd5543f81035ae72d5f15639af8bd7b6ee1db7e0ee765fff4559149158e11099906

Download Submit
memory/548-0-0x0000000000970000-0x000000000098E000-memory.dmp

Filesize
120KB

Download
memory/548-4-0x0000000000130000-0x000000000014E000-memory.dmp

Filesize
120KB

Download
memory/548-8-0x0000000000970000-0x000000000098E000-memory.dmp

Filesize
120KB

Download
memory/548-9-0x0000000000130000-0x000000000014E000-memory.dmp

Filesize
120KB

Download
memory/548-11-0x0000000000970000-0x000000000098E000-memory.dmp

Filesize
120KB

Download
memory/2612-7-0x0000000000F50000-0x0000000000F6E000-memory.dmp

Filesize
120KB

Download
memory/2612-10-0x0000000000F50000-0x0000000000F6E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads