d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58

General

Target

d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe
Size

237KB
MD5

1a9946c6dba54de26730b1275845a513
SHA1

c325f35835d99847bfb96f8ce40a214d0a9d4b5f
SHA256

d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58
SHA512

44a32ba72614923e7c3990f45a5f9d9eb4242167f0f59de96b627a3a8eb13c2fa54928b5d66d14c453a0e82641507e9f6e2266f592caff02ea2d0b1292b30360
SSDEEP

6144:gA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:gATuTAnKGwUAWVycQqgB

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
2432	3552	WerFault.exe	102
4928	2284	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	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.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
2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe
2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3552	winver.exe
2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 3552	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	102
PID 2284 wrote to memory of 3552	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	102
PID 2284 wrote to memory of 3552	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	102
PID 2284 wrote to memory of 3552	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	102
PID 3552 wrote to memory of 3364	3552	winver.exe	56
PID 2284 wrote to memory of 3364	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	56
PID 2284 wrote to memory of 2892	2284	d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3364
- C:\Users\Admin\AppData\Local\Temp\d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe
  "C:\Users\Admin\AppData\Local\Temp\d4aa73519cb0b637feacb2c2dcf5518d1ce34dea0c5bf4b4ff78d1218bdf7f58.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 300
      4⤵
      Program crash
      PID:2432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 888
    3⤵
    - Program crash
    PID:4928

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3552 -ip 3552
1⤵
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2284 -ip 2284
1⤵
PID:244

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/2284-1-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/2284-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2284-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2284-7-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2284-11-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/2284-15-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/2284-19-0x0000000004560000-0x0000000004BB8000-memory.dmp

Filesize
6.3MB

Download
memory/2892-14-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/2892-20-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3364-5-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3364-6-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3364-12-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download

Analysis

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