7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:10

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General

Target

7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe
Size

140KB
MD5

e38d8659129aef632adcb71c424ab810
SHA1

4d4d540da03d29c12167ad54b33f3fde0d3169ec
SHA256

7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8
SHA512

34cb9281220b7e7a9c9768c0daf19277f8264de697ead7376d80969d200664125fec01515a1feb1736c53229fc1ac30950265d005dba9f94d3cc7994df105b0d
SSDEEP

3072:hyRvQ8nQ0d2CRi9LkQ7Bli1BvY5CAFmhDEd5IQ:MjnQ0d9Q7QDEd5D

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
116	Nxixea.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4420-0-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/files/0x0007000000023486-12.dat	upx
behavioral2/memory/116-14-0x0000000000400000-0x0000000000432000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Nxixea.exe	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Nxixea.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Nxixea.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe
File created	C:\Windows\Nxixea.exe	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
127296	116	WerFault.exe	85

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	Nxixea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	Nxixea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe
116	Nxixea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 116	4420	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe	85
PID 4420 wrote to memory of 116	4420	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe	85
PID 4420 wrote to memory of 116	4420	7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe	85

C:\Users\Admin\AppData\Local\Temp\7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe
"C:\Users\Admin\AppData\Local\Temp\7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\Nxixea.exe
  C:\Windows\Nxixea.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 732
    3⤵
    - Program crash
    PID:127296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 116 -ip 116
1⤵
PID:127268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Windows\Nxixea.exe

Filesize
140KB

MD5
e38d8659129aef632adcb71c424ab810

SHA1
4d4d540da03d29c12167ad54b33f3fde0d3169ec

SHA256
7a55b1145967e944fdf6d54527dd47280e1df1cda54cb1684a8b8eebf0da01d8

SHA512
34cb9281220b7e7a9c9768c0daf19277f8264de697ead7376d80969d200664125fec01515a1feb1736c53229fc1ac30950265d005dba9f94d3cc7994df105b0d

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
428B

MD5
917eaf4856c4a2d88a8b3e1443d144c0

SHA1
c59c8c0055718be0ed138e6e67493f44f5112501

SHA256
28a5873e4b8cdac1dd2da713cfa7de4508fa88fb43cdb67ecee1a452e1be5f7c

SHA512
fc4db07f40d021f54e9045d7e956f652be768a5a7f2c47560af050c425573219cf3f7a3aa1b6337b4dfdd40d1be738846f8362793508650f9db6a417ac0351d8

Download Submit
memory/116-105540-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/116-21-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/116-14-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4420-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4420-5-0x000000000042F000-0x0000000000437000-memory.dmp

Filesize
32KB

Download
memory/4420-6-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4420-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4420-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4420-2-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/4420-7041-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4420-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download