82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4

General

Target

82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe
Size

237KB
MD5

02e1bd854e3d6c691e298061c979e760
SHA1

a1adb9e16bd5de578c11db75982f44611f9eaf29
SHA256

82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4
SHA512

bbe4bff1bf9c7b7063158d741c865627d8e00d2cf5dc5fd028c10e5701528b1e0a74170c51726d17199993dcf3b37bda3aa6e361bfe2d9fc2a02e726a71ef084
SSDEEP

6144:IA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:IATuTAnKGwUAWVycQqgj

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
1456	1888	WerFault.exe	93
3048	3144	WerFault.exe	81

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	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.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
3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe
3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1888	winver.exe
3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1888	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	93
PID 3144 wrote to memory of 1888	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	93
PID 3144 wrote to memory of 1888	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	93
PID 3144 wrote to memory of 1888	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	93
PID 1888 wrote to memory of 3448	1888	winver.exe	56
PID 3144 wrote to memory of 3448	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	56
PID 3144 wrote to memory of 3008	3144	82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3008

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3448
- C:\Users\Admin\AppData\Local\Temp\82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe
  "C:\Users\Admin\AppData\Local\Temp\82464d9fb3bed08e6e7830e35f75d9a90cff7af8a571cd57a5e3452551d7f0f4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3144
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 300
      4⤵
      Program crash
      PID:1456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 984
    3⤵
    - Program crash
    PID:3048

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1888 -ip 1888
1⤵
PID:4352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3144 -ip 3144
1⤵
PID:4144

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/3008-15-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3008-21-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3144-12-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/3144-4-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/3144-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/3144-9-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3144-1-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/3144-3-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/3144-16-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/3144-20-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/3144-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/3448-7-0x0000000000960000-0x0000000000966000-memory.dmp

Filesize
24KB

Download
memory/3448-8-0x0000000000960000-0x0000000000966000-memory.dmp

Filesize
24KB

Download
memory/3448-13-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download

Analysis

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