71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5

General

Target

71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe
Size

610KB
MD5

9ff43693e616dd8e779c1aa593e3c520
SHA1

89d9059e0143763488230b17e9fc97a2c75750cc
SHA256

71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5
SHA512

edb9f3928a2983c94658c3f55fa102bcceab742a0ff6f8572b9eb1540c7605c02250fdfd7db1b3ce59fe10acdf851acda6db9d6d4a121a94d22462f5392b2719
SSDEEP

12288:gATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:uT+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
3312	2288	WerFault.exe	95
2548	4340	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	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.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
4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe
4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2288	winver.exe
4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 2288	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	95
PID 4340 wrote to memory of 2288	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	95
PID 4340 wrote to memory of 2288	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	95
PID 4340 wrote to memory of 2288	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	95
PID 2288 wrote to memory of 3412	2288	winver.exe	56
PID 4340 wrote to memory of 3412	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	56
PID 4340 wrote to memory of 2672	4340	71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe
  "C:\Users\Admin\AppData\Local\Temp\71dbe9ea4e4a04baf07e77997ffe588613b64fbddd0b3a86a322265c1f8777c5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4340
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 196
      4⤵
      Program crash
      PID:3312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 1004
    3⤵
    - Program crash
    PID:2548

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2288 -ip 2288
1⤵
PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4340 -ip 4340
1⤵
PID:4640

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/2672-14-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2672-20-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3412-5-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3412-11-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/4340-1-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/4340-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4340-3-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download
memory/4340-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4340-12-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4340-17-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4340-19-0x0000000004650000-0x0000000004CA8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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