da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318

General

Target

da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
Size

225KB
MD5

721a1bfb2d354e94b2ba30c3fad33b40
SHA1

9bfd149db693d9c76600354b0df5df544b4af121
SHA256

da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318
SHA512

a484cb6f88cbab97f2f7eaafb38f264cb6b92c84073a61fd0d29cc8663bf9055569ee29f7c4ed584084d91f7a5289615f0fa2b3cd05f79043c2cd8bdbfd5240a
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf

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
1460	872	WerFault.exe	103
3756	956	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.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
956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
872	winver.exe
956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 872	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	103
PID 956 wrote to memory of 872	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	103
PID 956 wrote to memory of 872	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	103
PID 956 wrote to memory of 872	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	103
PID 872 wrote to memory of 3460	872	winver.exe	55
PID 956 wrote to memory of 3460	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	55
PID 956 wrote to memory of 2656	956	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
  "C:\Users\Admin\AppData\Local\Temp\da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 300
      4⤵
      Program crash
      PID:1460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 888
    3⤵
    - Program crash
    PID:3756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 872 -ip 872
1⤵
PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 956 -ip 956
1⤵
PID:3012

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

Loading Replay Monitor...

Downloads

memory/956-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/956-14-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/956-3-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/956-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/956-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/956-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/956-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/956-22-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/956-1-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/956-18-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/2656-17-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2656-23-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3460-9-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3460-15-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3460-10-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing