a60a5b19a7b112fff00dd842bc7caf55bb52d1186b116fee80deb93e5c0a2c37

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/08/2024, 01:55

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General

Target

727a39f25d6a72fcfa83f0da7066ab10N.exe
Size

237KB
MD5

727a39f25d6a72fcfa83f0da7066ab10
SHA1

2ba3e23edbebe51ed645be45ec1c348b92fbc7f2
SHA256

a60a5b19a7b112fff00dd842bc7caf55bb52d1186b116fee80deb93e5c0a2c37
SHA512

d7abb59480ec21b1a1eab5be17d0edec764928df0f9aabf7e848b56da841e8374813a7874b63f0922b96f5fb769f2313942656af1766dae86375137f6716c60f
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:2ATuTAnKGwUAWVycQqgj

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
4624	1864	WerFault.exe	100
1048	1804	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	727a39f25d6a72fcfa83f0da7066ab10N.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
1804	727a39f25d6a72fcfa83f0da7066ab10N.exe
1804	727a39f25d6a72fcfa83f0da7066ab10N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1864	winver.exe
1804	727a39f25d6a72fcfa83f0da7066ab10N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1864	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	100
PID 1804 wrote to memory of 1864	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	100
PID 1804 wrote to memory of 1864	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	100
PID 1804 wrote to memory of 1864	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	100
PID 1864 wrote to memory of 3484	1864	winver.exe	56
PID 1804 wrote to memory of 3484	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	56
PID 1804 wrote to memory of 2544	1804	727a39f25d6a72fcfa83f0da7066ab10N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3484
- C:\Users\Admin\AppData\Local\Temp\727a39f25d6a72fcfa83f0da7066ab10N.exe
  "C:\Users\Admin\AppData\Local\Temp\727a39f25d6a72fcfa83f0da7066ab10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 304
      4⤵
      Program crash
      PID:4624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 976
    3⤵
    - Program crash
    PID:1048

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1864 -ip 1864
1⤵
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1804 -ip 1804
1⤵
PID:1960

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/1804-1-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/1804-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1804-6-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1804-10-0x0000000005740000-0x0000000006140000-memory.dmp

Filesize
10.0MB

Download
memory/1804-18-0x0000000004530000-0x0000000004B88000-memory.dmp

Filesize
6.3MB

Download
memory/1804-16-0x0000000005740000-0x0000000006140000-memory.dmp

Filesize
10.0MB

Download
memory/2544-13-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2544-19-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3484-4-0x0000000003410000-0x0000000003416000-memory.dmp

Filesize
24KB

Download
memory/3484-5-0x0000000003410000-0x0000000003416000-memory.dmp

Filesize
24KB

Download
memory/3484-11-0x0000000003420000-0x0000000003426000-memory.dmp

Filesize
24KB

Download