4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7

General

Target

4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe
Size

610KB
MD5

94a6b1aa591d70c9a8242d8880331d70
SHA1

cff9a793b6f24a1f85123aa27a9cd82f2abac429
SHA256

4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7
SHA512

cb3c31b3ccd4ea33fab69bb969ed9aa36aca378f3548b424e73f74faaf280f5507dea8e1deff776803a91f6e06fb29ff776fe879e2ce868e30aeded2c2dace41
SSDEEP

12288:uATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:AT+KjUdQqboyyWoK1NGqzuhT

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
4412	3336	WerFault.exe	101
2236	2584	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	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.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
2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe
2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3336	winver.exe
2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 3336	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	101
PID 2584 wrote to memory of 3336	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	101
PID 2584 wrote to memory of 3336	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	101
PID 2584 wrote to memory of 3336	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	101
PID 3336 wrote to memory of 3492	3336	winver.exe	56
PID 2584 wrote to memory of 3492	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	56
PID 2584 wrote to memory of 2476	2584	4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe
  "C:\Users\Admin\AppData\Local\Temp\4207808476f1a64000a1f043a4de709912afdfa6f66ac658f1ad4ac0624daab7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 300
      4⤵
      Program crash
      PID:4412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 808
    3⤵
    - Program crash
    PID:2236

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3336 -ip 3336
1⤵
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2584 -ip 2584
1⤵
PID:3860

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/2476-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2476-20-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2584-1-0x00000000047F0000-0x0000000004E48000-memory.dmp

Filesize
6.3MB

Download
memory/2584-2-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/2584-3-0x00000000047F0000-0x0000000004E48000-memory.dmp

Filesize
6.3MB

Download
memory/2584-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-11-0x0000000005C00000-0x0000000006600000-memory.dmp

Filesize
10.0MB

Download
memory/2584-15-0x0000000005C00000-0x0000000006600000-memory.dmp

Filesize
10.0MB

Download
memory/2584-19-0x00000000047F0000-0x0000000004E48000-memory.dmp

Filesize
6.3MB

Download
memory/3492-5-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/3492-12-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download

Analysis

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