2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de

Analysis

max time kernel
133s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 19:32

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General

Target
2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe
Size 225KB
Sample240818-x817zstdln
SHA256 2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de
MD5 8f3fe8cb9acbb5f5b12ca662be00c3a6
SHA1 1081eea9f1c45b8d7848393bdfa9774b217a4c02
SHA512 9c4ea39a825f5b828aab00fa238698040fb3fbae7cffbbf4a98cfc8f9f6870c8008d32076028bd90dd0ca755bc49081734144c50162e6a85dfbaadceac1a5848
SSDEEP 6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

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
3640	3832	WerFault.exe	101
3192	3132	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	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.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
3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe
3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3400	Explorer.EXE
Token: SeCreatePagefilePrivilege	3400	Explorer.EXE
Token: SeShutdownPrivilege	3400	Explorer.EXE
Token: SeCreatePagefilePrivilege	3400	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3832	winver.exe
3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3400	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 3832	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	101
PID 3132 wrote to memory of 3832	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	101
PID 3132 wrote to memory of 3832	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	101
PID 3132 wrote to memory of 3832	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	101
PID 3832 wrote to memory of 3400	3832	winver.exe	56
PID 3132 wrote to memory of 3400	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	56
PID 3132 wrote to memory of 2984	3132	2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2984

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3400
- C:\Users\Admin\AppData\Local\Temp\2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe
  "C:\Users\Admin\AppData\Local\Temp\2563d4475ae116dd669ea697004aa2051307cdae487cdeb4f4f752a0401de1de.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3132
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 300
      4⤵
      Program crash
      PID:3640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 984
    3⤵
    - Program crash
    PID:3192

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3832 -ip 3832
1⤵
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3132 -ip 3132
1⤵
PID:740

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/2984-14-0x0000000000150000-0x0000000000156000-memory.dmp

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memory/2984-20-0x0000000000150000-0x0000000000156000-memory.dmp

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memory/3132-1-0x0000000004200000-0x0000000004858000-memory.dmp

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memory/3132-2-0x0000000004160000-0x0000000004161000-memory.dmp

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memory/3132-3-0x0000000004200000-0x0000000004858000-memory.dmp

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memory/3132-7-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3132-10-0x0000000005710000-0x0000000006110000-memory.dmp

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memory/3132-15-0x0000000005710000-0x0000000006110000-memory.dmp

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memory/3132-19-0x0000000004200000-0x0000000004858000-memory.dmp

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memory/3400-5-0x0000000002920000-0x0000000002926000-memory.dmp

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memory/3400-6-0x0000000002920000-0x0000000002926000-memory.dmp

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memory/3400-11-0x0000000002930000-0x0000000002936000-memory.dmp

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