928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24

General

Target

928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
Size

225KB
MD5

6d2369498ca981a27e0937ce24dbdd15
SHA1

73fcfa545c6e66c28bce052550b2cac1936c3bd4
SHA256

928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24
SHA512

56802fbc78157c900fe22f678e38528b4a960ea351c2f7600e64707b66ebdbb6b6c146ee42cc36ca67708063449e47485a9bc60a7211c6e94fbee722e079f9c2
SSDEEP

6144:YA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:YATuTAnKGwUAW3ycQqgt

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
1044	2052	WerFault.exe	103
4408	1132	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	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.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
1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2052	winver.exe
1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 2052	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	103
PID 1132 wrote to memory of 2052	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	103
PID 1132 wrote to memory of 2052	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	103
PID 1132 wrote to memory of 2052	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	103
PID 2052 wrote to memory of 3536	2052	winver.exe	56
PID 1132 wrote to memory of 3536	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	56
PID 1132 wrote to memory of 2652	1132	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
  "C:\Users\Admin\AppData\Local\Temp\928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 300
      4⤵
      Program crash
      PID:1044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 804
    3⤵
    - Program crash
    PID:4408

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2052 -ip 2052
1⤵
PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1132 -ip 1132
1⤵
PID:4560

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/1132-15-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/1132-18-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/1132-3-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/1132-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1132-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1132-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1132-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1132-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/1132-21-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/2652-22-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2652-16-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3536-8-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3536-14-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3536-7-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download

Analysis

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