7a02a3772a32065053ef458c5c5889089c1c66a58a321b1e064518de955382d2

Analysis

max time kernel
118s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 22:13

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General

Target

87f90bd9f935cdd87a6356eeb2efac80N.exe
Size

225KB
MD5

87f90bd9f935cdd87a6356eeb2efac80
SHA1

9acd0ee25456fed6649901a4134ec56b71f0e020
SHA256

7a02a3772a32065053ef458c5c5889089c1c66a58a321b1e064518de955382d2
SHA512

19a6d9af2977abfc92b25e76c3257423aa02c8aff0546b5dff40d44ab7e68b73c7b008c425955c64dea5e0c99112e6dd0325e9362a5ac72be7ff29ebe9ee34ed
SSDEEP

6144:3A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:3ATuTAnKGwUAW3ycQqgf

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
3300	4680	WerFault.exe	98
2368	4456	WerFault.exe	82

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	87f90bd9f935cdd87a6356eeb2efac80N.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	87f90bd9f935cdd87a6356eeb2efac80N.exe
4456	87f90bd9f935cdd87a6356eeb2efac80N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4680	winver.exe
4456	87f90bd9f935cdd87a6356eeb2efac80N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3500	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4680	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	98
PID 4456 wrote to memory of 4680	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	98
PID 4456 wrote to memory of 4680	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	98
PID 4456 wrote to memory of 4680	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	98
PID 4680 wrote to memory of 3500	4680	winver.exe	56
PID 4456 wrote to memory of 3500	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	56
PID 4456 wrote to memory of 2860	4456	87f90bd9f935cdd87a6356eeb2efac80N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3500
- C:\Users\Admin\AppData\Local\Temp\87f90bd9f935cdd87a6356eeb2efac80N.exe
  "C:\Users\Admin\AppData\Local\Temp\87f90bd9f935cdd87a6356eeb2efac80N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 300
      4⤵
      Program crash
      PID:3300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 932
    3⤵
    - Program crash
    PID:2368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4680 -ip 4680
1⤵
PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4456 -ip 4456
1⤵
PID:2420

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

Replay Monitor

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Downloads

memory/2860-14-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2860-20-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download
memory/3500-11-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/4456-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/4456-2-0x0000000003D40000-0x0000000003D41000-memory.dmp

Filesize
4KB

Download
memory/4456-3-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/4456-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4456-10-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4456-15-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4456-19-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download