d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57

General

Target

d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
Size

225KB
MD5

d900ef1d4be46b37a62d40eeced0ab3e
SHA1

619f4181184fb3561cc9ad8de5b0731105dfa30f
SHA256

d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57
SHA512

63657f4deef2bda82e74d97cc9bffb367d4f3d8c3d88044182d0a9e7f73905de41b30d93893b8c1deccf0f5e8d06519c1b7e4cf1817adc63664657d2a3148330
SSDEEP

6144:hA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:hATuTAnKGwUAW3ycQqgX

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
3780	4496	WerFault.exe	102
4400	4412	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	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.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
4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4496	winver.exe
4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 4496	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	102
PID 4412 wrote to memory of 4496	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	102
PID 4412 wrote to memory of 4496	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	102
PID 4412 wrote to memory of 4496	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	102
PID 4496 wrote to memory of 3476	4496	winver.exe	56
PID 4412 wrote to memory of 3476	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	56
PID 4412 wrote to memory of 2656	4412	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
  "C:\Users\Admin\AppData\Local\Temp\d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 300
      4⤵
      Program crash
      PID:3780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 1012
    3⤵
    - Program crash
    PID:4400

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4496 -ip 4496
1⤵
PID:672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4412 -ip 4412
1⤵
PID:908

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/2656-20-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2656-14-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/3476-12-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/4412-4-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/4412-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4412-1-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download
memory/4412-13-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/4412-3-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download
memory/4412-16-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/4412-19-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download
memory/4412-2-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download

Analysis

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