57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 04:34

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General

Target

57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe
Size

610KB
MD5

618297fad6ca4e29fcaec5f1844098d0
SHA1

54ccf73cff91089f1bfb3fd8f982b8c5b2573e6a
SHA256

57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2
SHA512

0faa195a8545f0b1ced177df4ecd65ede87106ad1209e6eb379b77acd68fb19bfa77423c2aab3ad0c9e190930fa25be84bc858a7dce97ad0b3a90a0beb302eb9
SSDEEP

12288:AATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:OT+KjUdQqboyyWoK1NGqzuhb

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1572	2084	WerFault.exe	100
3188	5004	WerFault.exe	83

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	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2084	winver.exe
5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 2084	5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe	100
PID 5004 wrote to memory of 2084	5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe	100
PID 5004 wrote to memory of 2084	5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe	100
PID 5004 wrote to memory of 2084	5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe	100
PID 2084 wrote to memory of 3436	2084	winver.exe	56
PID 5004 wrote to memory of 3436	5004	57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe
  "C:\Users\Admin\AppData\Local\Temp\57f1c2fedb36ac1070e2d5940424d68ce9c1828afce85e9d3e32e1f54bb656a2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 300
      4⤵
      Program crash
      PID:1572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 808
    3⤵
    - Program crash
    PID:3188

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2084 -ip 2084
1⤵
PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5004 -ip 5004
1⤵
PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3436-6-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3436-12-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/5004-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/5004-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/5004-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/5004-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/5004-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5004-15-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download