08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40b

General

Target

08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe
Size

610KB
MD5

1c331d07ecdab23dfac2ce278a280990
SHA1

7faf7737586360e6b57ff23c45215ed662474d58
SHA256

08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40b
SHA512

d8aedb4f62a921be72bfc1ab0493f7c98c1ac021fc99ca1da5c20c99495a132f3fbd810f10f56f90069a313b2db81694447940e8bb2d21ff3d6ccb57c3fde955
SSDEEP

12288:IATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:2T+KjUdQqboyyWoK1NGqzuhx

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
2648	1268	WerFault.exe	93
4412	1240	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	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.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
1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe
1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1268	winver.exe
1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 1268	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	93
PID 1240 wrote to memory of 1268	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	93
PID 1240 wrote to memory of 1268	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	93
PID 1240 wrote to memory of 1268	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	93
PID 1268 wrote to memory of 3520	1268	winver.exe	56
PID 1240 wrote to memory of 3520	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	56
PID 1240 wrote to memory of 2496	1240	08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe
  "C:\Users\Admin\AppData\Local\Temp\08a4b821d356bf336476ee942d4f9426676e000e7a779a19e7fb783df78bc40bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 300
      4⤵
      Program crash
      PID:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 988
    3⤵
    - Program crash
    PID:4412

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1268 -ip 1268
1⤵
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1240 -ip 1240
1⤵
PID:4284

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/1240-19-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/1240-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1240-3-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1240-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1240-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1240-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1240-1-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/1240-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1240-22-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/1240-15-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/2496-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2496-17-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3520-8-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3520-14-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/3520-9-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download

Analysis

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