6262d769543522102ee053e755410905d0cd170311e2114b4b240427cd1c6825

Analysis

max time kernel
149s
max time network
285s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 00:49

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General

Target

TEKJ09876545678002.exe
Size

1.3MB
MD5

8eefc053b6ed983bec5aff3dc3369b40
SHA1

84756cd09113665a8a8eba1d88da482bc276ada0
SHA256

49b3a5b9adc10281015d59ca3b9439cd1201712133895cb848d33c66c8fbb1bc
SHA512

60c0ced29238693be0cc2f4e20d219b4326fc4499ee216ddeb993714cd1565718f1af32f7a1af459845bcc1cd11ee0469189d54da86ebda4be651b7c4ff9a283
SSDEEP

24576:lqDEvCTbMWu7rQYlBQcBiT6rprG8aLvxFjSOLmYtDRqrHZAZsi+xX06kGGsFG40b:lTvC/MTQYxsWR7aL9LmkGAZsFX06e/

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\niellist.vbs	niellist.exe

Executes dropped EXE 1 IoCs

pid	Process
3252	niellist.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023abf-5.dat	autoit_exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
764	3252	WerFault.exe	86

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	TEKJ09876545678002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	niellist.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 3252	3748	TEKJ09876545678002.exe	86
PID 3748 wrote to memory of 3252	3748	TEKJ09876545678002.exe	86
PID 3748 wrote to memory of 3252	3748	TEKJ09876545678002.exe	86
PID 3252 wrote to memory of 2616	3252	niellist.exe	87
PID 3252 wrote to memory of 2616	3252	niellist.exe	87
PID 3252 wrote to memory of 2616	3252	niellist.exe	87

C:\Users\Admin\AppData\Local\Temp\TEKJ09876545678002.exe
"C:\Users\Admin\AppData\Local\Temp\TEKJ09876545678002.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\unprickled\niellist.exe
  "C:\Users\Admin\AppData\Local\Temp\TEKJ09876545678002.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\TEKJ09876545678002.exe"
    3⤵
    PID:2616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 656
    3⤵
    - Program crash
    PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3252 -ip 3252
1⤵
PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\surmount

Filesize
203KB

MD5
ce97ecb907ae2832d39dfdf8658b1013

SHA1
1a866cf9f7c5e7af603bd5a6d2a798c728ba9318

SHA256
d2614fb61d4ac6f80a1446da27e1fa01cdc8ea8385a694a4b0094130a1085d40

SHA512
21bff4b301ac3192c7fb59363a367c59480af6bdbbdbbef0d2586208ea9e82975649718feb9ade75457871ce60836e2a092e6ecf45a0a2ec0fd0a7c26ccfd96c

Download Submit
C:\Users\Admin\AppData\Local\unprickled\niellist.exe

Filesize
1.3MB

MD5
8eefc053b6ed983bec5aff3dc3369b40

SHA1
84756cd09113665a8a8eba1d88da482bc276ada0

SHA256
49b3a5b9adc10281015d59ca3b9439cd1201712133895cb848d33c66c8fbb1bc

SHA512
60c0ced29238693be0cc2f4e20d219b4326fc4499ee216ddeb993714cd1565718f1af32f7a1af459845bcc1cd11ee0469189d54da86ebda4be651b7c4ff9a283

Download Submit
memory/3252-10-0x0000000001190000-0x0000000001590000-memory.dmp

Filesize
4.0MB

Download
memory/3748-2-0x00000000010F0000-0x00000000014F0000-memory.dmp

Filesize
4.0MB

Download