a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1

General

Target

a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe
Size

225KB
MD5

05f807605975cc0616a7a1460d928a20
SHA1

249656811b9bd0fa0fcce6016bdd04665f42bf0b
SHA256

a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1
SHA512

6b3451aee6146780295d6852ea428891d4499c76a223b3f2efea7ab820eaeec7fc50883988a297d4753c4d18abed5b0198de939468266222c39f1cedb10ccf9a
SSDEEP

6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf

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
4392	2980	WerFault.exe	93
4896	2972	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	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.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
2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe
2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3384	Explorer.EXE
Token: SeCreatePagefilePrivilege	3384	Explorer.EXE
Token: SeShutdownPrivilege	3384	Explorer.EXE
Token: SeCreatePagefilePrivilege	3384	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2980	winver.exe
2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2980	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	93
PID 2972 wrote to memory of 2980	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	93
PID 2972 wrote to memory of 2980	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	93
PID 2972 wrote to memory of 2980	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	93
PID 2980 wrote to memory of 3384	2980	winver.exe	55
PID 2972 wrote to memory of 3384	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	55
PID 2972 wrote to memory of 2700	2972	a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2700

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3384
- C:\Users\Admin\AppData\Local\Temp\a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6648232b08f9522c1bdf7282304eaaa6bd8dd82d9f94cef7c368deb3b619fa1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 300
      4⤵
      Program crash
      PID:4392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 932
    3⤵
    - Program crash
    PID:4896

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2980 -ip 2980
1⤵
PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2972 -ip 2972
1⤵
PID:3776

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/2700-23-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2700-17-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2972-18-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/2972-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/2972-4-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/2972-5-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/2972-6-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/2972-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2972-22-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/2972-13-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/3384-8-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download
memory/3384-14-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3384-9-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download

Analysis

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