19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21a

General

Target

19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe
Size

225KB
MD5

abfd98e5f140585caa0776fc6e8ac2a0
SHA1

ec697af9f16007ae462f88dbc04e44f1f388761d
SHA256

19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21a
SHA512

a3c168bb4614f1e0a59e75115c29914a3471d709d621f49f1e176b353c98c520ce89f1b5584ba188002f5ebdaaf270e5dc5bc9660e0519c3f25126d67966d0ba
SSDEEP

6144:fA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:fATuTAnKGwUAW3ycQqgf

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
1572	4560	WerFault.exe	103
2840	1116	WerFault.exe	82

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	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.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
1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe
1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3592	Explorer.EXE
Token: SeCreatePagefilePrivilege	3592	Explorer.EXE
Token: SeShutdownPrivilege	3592	Explorer.EXE
Token: SeCreatePagefilePrivilege	3592	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4560	winver.exe
1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 4560	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	103
PID 1116 wrote to memory of 4560	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	103
PID 1116 wrote to memory of 4560	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	103
PID 1116 wrote to memory of 4560	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	103
PID 4560 wrote to memory of 3592	4560	winver.exe	56
PID 1116 wrote to memory of 3592	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	56
PID 1116 wrote to memory of 2568	1116	19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3592
- C:\Users\Admin\AppData\Local\Temp\19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe
  "C:\Users\Admin\AppData\Local\Temp\19135c90247eb7e8fafba962ee4e4c784e3f4d03a21e8b3c1fab5cac0b35e21aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 192
      4⤵
      Program crash
      PID:1572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 812
    3⤵
    - Program crash
    PID:2840

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4560 -ip 4560
1⤵
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1116 -ip 1116
1⤵
PID:724

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/1116-18-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/1116-2-0x0000000003E50000-0x0000000003E51000-memory.dmp

Filesize
4KB

Download
memory/1116-3-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/1116-4-0x0000000003E50000-0x0000000003E51000-memory.dmp

Filesize
4KB

Download
memory/1116-5-0x0000000003E50000-0x0000000003E51000-memory.dmp

Filesize
4KB

Download
memory/1116-1-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/1116-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1116-13-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/1116-21-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/2568-22-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2568-16-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3592-8-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3592-14-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3592-7-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download

Analysis

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