bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0

General

Target

bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
Size

610KB
MD5

e887c5f8cf73b3fcb7df7887f7c94e2a
SHA1

1feaa6807299f8ff4c5296f8d7573a8612cab709
SHA256

bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0
SHA512

149b0f5bfbeb91e44a2c77fa7e3089497baa035f463e65d4d1e7e1e732ebbc5f22f244abe4e0ae2cb176f52ade69be4ea5b146282c64b9d4fb5f6506cf3143a0
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:gT+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
928	876	WerFault.exe	93
1908	968	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.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
968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
876	winver.exe
968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 876	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	93
PID 968 wrote to memory of 876	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	93
PID 968 wrote to memory of 876	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	93
PID 968 wrote to memory of 876	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	93
PID 876 wrote to memory of 3500	876	winver.exe	56
PID 968 wrote to memory of 3500	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	56
PID 968 wrote to memory of 2896	968	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.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:3500
- C:\Users\Admin\AppData\Local\Temp\bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
  "C:\Users\Admin\AppData\Local\Temp\bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 300
      4⤵
      Program crash
      PID:928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 888
    3⤵
    - Program crash
    PID:1908

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 876 -ip 876
1⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 968 -ip 968
1⤵
PID:3576

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/968-1-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/968-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/968-3-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

Download
memory/968-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-10-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/968-15-0x0000000005AF0000-0x00000000064F0000-memory.dmp

Filesize
10.0MB

Download
memory/968-19-0x00000000046E0000-0x0000000004D38000-memory.dmp

Filesize
6.3MB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/3500-5-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-11-0x0000000001640000-0x0000000001646000-memory.dmp

Filesize
24KB

Download

Analysis

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