18b3661ebdd34d7a89b788e79d87d62467fa26187874cc71fa3176a6d01752a7

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 00:14

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General

Target

4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe
Size

372KB
MD5

242a2c3c37188e2ecf3e79798149a3df
SHA1

0b3d5ed0fd1aca72ef55e6e664f6ffdc84e6a637
SHA256

4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda
SHA512

2c8dde71609b8499fbb179adce659fc008dc8948fe79cf8ef3cc2669274d5b3070a2ef8605a9018a58b67ad0976d3b8f6b4b4ed4c09891b296f4587fbdcd54c2
SSDEEP

6144:8CE6/mUXJ531nIUliViSZbLhaZfvMlLXICg:86TOUMBQf0ljW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
100	3680	WerFault.exe	87

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	4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3680	winver.exe
3680	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3680	winver.exe
3516	Explorer.EXE
3516	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3516	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3680	2976	4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe	87
PID 2976 wrote to memory of 3680	2976	4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe	87
PID 2976 wrote to memory of 3680	2976	4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe	87
PID 2976 wrote to memory of 3680	2976	4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe	87
PID 3680 wrote to memory of 3516	3680	winver.exe	56
PID 3680 wrote to memory of 2640	3680	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3516
- C:\Users\Admin\AppData\Local\Temp\4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe
  "C:\Users\Admin\AppData\Local\Temp\4690ef9e8a7a77ea30029eeb1b913bceeab75a71bf18dce34c26467fa9d4cdda.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 636
      4⤵
      Program crash
      PID:100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3680 -ip 3680
1⤵
PID:1324

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

memory/2640-16-0x00000000003E0000-0x00000000003E7000-memory.dmp

Filesize
28KB

Download
memory/2640-21-0x00007FF973D70000-0x00007FF973D71000-memory.dmp

Filesize
4KB

Download
memory/2640-17-0x00000000003E0000-0x00000000003E7000-memory.dmp

Filesize
28KB

Download
memory/2976-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2976-2-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2976-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2976-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/2976-15-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/3516-11-0x00007FF973BED000-0x00007FF973BEE000-memory.dmp

Filesize
4KB

Download
memory/3516-10-0x00000000006A0000-0x00000000006A7000-memory.dmp

Filesize
28KB

Download
memory/3516-12-0x00007FF973D80000-0x00007FF973D81000-memory.dmp

Filesize
4KB

Download
memory/3516-13-0x00007FF973D60000-0x00007FF973D61000-memory.dmp

Filesize
4KB

Download
memory/3680-4-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download
memory/3680-9-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/3680-18-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download
memory/3680-6-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download