87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853

General

Target

87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe
Size

225KB
MD5

de8d4a3033e55a8dff2d6e081b16947f
SHA1

71b68b4fdb6e9686c2d6bb7c71b65d84eee16060
SHA256

87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853
SHA512

a638769b383fd8a50182285b02a9bb97ff6bc655c15ce7e0d0c1a406947374b0dea46b8c9c6d31f77da45bd7595ac0f52a34725f2ae1f96b789d5ed747b067e7
SSDEEP

6144:cA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:cATuTAnKGwUAW3ycQqgf

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
3036	2732	WerFault.exe	100
340	3568	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	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.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-1-5-21-2629364133-3182087385-364449604-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2732	winver.exe
3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 2732	3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe	100
PID 3568 wrote to memory of 2732	3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe	100
PID 3568 wrote to memory of 2732	3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe	100
PID 3568 wrote to memory of 2732	3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe	100
PID 2732 wrote to memory of 3528	2732	winver.exe	56
PID 3568 wrote to memory of 3528	3568	87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3528
- C:\Users\Admin\AppData\Local\Temp\87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe
  "C:\Users\Admin\AppData\Local\Temp\87956fafb99ce3c1aded254ddfa836dd28b8a5353fbadca092e2f321f7745853.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 300
      4⤵
      Program crash
      PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 784
    3⤵
    - Program crash
    PID:340

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2732 -ip 2732
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3568 -ip 3568
1⤵
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3528-6-0x0000000002FC0000-0x0000000002FC6000-memory.dmp

Filesize
24KB

Download
memory/3528-7-0x0000000002FC0000-0x0000000002FC6000-memory.dmp

Filesize
24KB

Download
memory/3528-11-0x0000000003050000-0x0000000003056000-memory.dmp

Filesize
24KB

Download
memory/3568-1-0x0000000004550000-0x0000000004BA8000-memory.dmp

Filesize
6.3MB

Download
memory/3568-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3568-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3568-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3568-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3568-14-0x0000000004550000-0x0000000004BA8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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