da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415

General

Target

da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
Size

610KB
MD5

b577940137d52af3209cbef414530282
SHA1

042fc61c17bd68c913295ede401b053ce00bcfd3
SHA256

da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415
SHA512

40773e234b56d59f2b3b2911252957389d97de3b8d6aa9f3a3c6f052585cf383d474c6c777419f4c317e590c42746f2f7a93966ace4200339aa849c83a1750e7
SSDEEP

12288:dATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:HT+KjUdQqboyyWoK1NGqzuhb

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
1632	2956	WerFault.exe	99
4312	4804	WerFault.exe	83

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	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.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
4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2956	winver.exe
4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 2956	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	99
PID 4804 wrote to memory of 2956	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	99
PID 4804 wrote to memory of 2956	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	99
PID 4804 wrote to memory of 2956	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	99
PID 2956 wrote to memory of 3432	2956	winver.exe	56
PID 4804 wrote to memory of 3432	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	56
PID 4804 wrote to memory of 2636	4804	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
  "C:\Users\Admin\AppData\Local\Temp\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 300
      4⤵
      Program crash
      PID:1632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 968
    3⤵
    - Program crash
    PID:4312

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2956 -ip 2956
1⤵
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4804 -ip 4804
1⤵
PID:2672

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/2636-22-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2636-16-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3432-14-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/3432-8-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/4804-5-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/4804-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4804-1-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4804-13-0x00000000057A0000-0x00000000061A0000-memory.dmp

Filesize
10.0MB

Download
memory/4804-3-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4804-17-0x00000000057A0000-0x00000000061A0000-memory.dmp

Filesize
10.0MB

Download
memory/4804-21-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/4804-2-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download

Analysis

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