41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe

General

Target

41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
Size

610KB
MD5

b7a07a8d9f92d28a4e2244072ec88cae
SHA1

621cfc26e530f797dbf37a33c08a179dc2def842
SHA256

41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe
SHA512

1dd855d5c9542d0a68c7a9d49af7f86214674bbb17104b60d4d8f58dff0be0dbcd668884d2259e8a1202678a38e21d2356c3e72c10bd5416d1b85e3806546b9e
SSDEEP

12288:VATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:/T+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
4736	5108	WerFault.exe	95
4780	5004	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	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.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
5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5108	winver.exe
5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 5108	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	95
PID 5004 wrote to memory of 5108	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	95
PID 5004 wrote to memory of 5108	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	95
PID 5004 wrote to memory of 5108	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	95
PID 5108 wrote to memory of 3376	5108	winver.exe	56
PID 5004 wrote to memory of 3376	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	56
PID 5004 wrote to memory of 2896	5004	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3376
- C:\Users\Admin\AppData\Local\Temp\41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
  "C:\Users\Admin\AppData\Local\Temp\41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 300
      4⤵
      Program crash
      PID:4736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 1012
    3⤵
    - Program crash
    PID:4780

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5108 -ip 5108
1⤵
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5004 -ip 5004
1⤵
PID:3828

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/2896-14-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2896-20-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3376-5-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3376-6-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3376-11-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/5004-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/5004-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/5004-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/5004-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5004-12-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/5004-16-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/5004-19-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download

Analysis

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