e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5

Analysis

max time kernel
108s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 23:15

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General

Target

e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe
Size

610KB
MD5

d5f2bba8ee993a0c7f298e61e58fd09d
SHA1

2446da52065cf7d5e252622c5dabc0e7532009cd
SHA256

e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5
SHA512

a3fd7199f8abd0d6e0df39584a5140d914c7a6849e540e3f62a3540abe595c106e47a41a39c1e68d014000d8420117aad935fde3c1b09dab316e2aebb73dac95
SSDEEP

12288:IATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:2T+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
5020	1840	WerFault.exe	94
396	4488	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1840	winver.exe
4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1840	4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe	94
PID 4488 wrote to memory of 1840	4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe	94
PID 4488 wrote to memory of 1840	4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe	94
PID 4488 wrote to memory of 1840	4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe	94
PID 1840 wrote to memory of 3536	1840	winver.exe	56
PID 4488 wrote to memory of 3536	4488	e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe
  "C:\Users\Admin\AppData\Local\Temp\e437863f92a97a665bc8cc9f7f439613687ca5d983254d6f01cfaf32a31d2fb5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 300
      4⤵
      Program crash
      PID:5020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 864
    3⤵
    - Program crash
    PID:396

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1840 -ip 1840
1⤵
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4488 -ip 4488
1⤵
PID:1092

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/3536-9-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3536-10-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3536-14-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/4488-1-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/4488-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4488-3-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/4488-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4488-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4488-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4488-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4488-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4488-17-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download