a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311

General

Target

a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
Size

225KB
MD5

f040efb7f5b1f97eb82403842cf4e6a9
SHA1

01767deabf687859b6cc76b9d99b6e1f825e6ffe
SHA256

a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311
SHA512

48fbffec2c42cea466795d26801ec1a301aeb8d4784d57551eea0e5a68f37dbbeadfd903a53d3926740da8aad206fee3d79502de45dd86f53726fba5318edffc
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf

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
2920	3872	WerFault.exe	101
2356	628	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	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.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
628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3872	winver.exe
628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 3872	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	101
PID 628 wrote to memory of 3872	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	101
PID 628 wrote to memory of 3872	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	101
PID 628 wrote to memory of 3872	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	101
PID 3872 wrote to memory of 3456	3872	winver.exe	56
PID 628 wrote to memory of 3456	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	56
PID 628 wrote to memory of 2676	628	a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
  "C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 300
      4⤵
      Program crash
      PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 984
    3⤵
    - Program crash
    PID:2356

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3872 -ip 3872
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 628 -ip 628
1⤵
PID:3480

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/628-14-0x0000000005BD0000-0x00000000065D0000-memory.dmp

Filesize
10.0MB

Download
memory/628-2-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/628-3-0x00000000047C0000-0x0000000004E18000-memory.dmp

Filesize
6.3MB

Download
memory/628-4-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/628-5-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/628-6-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/628-7-0x0000000003E00000-0x0000000003E01000-memory.dmp

Filesize
4KB

Download
memory/628-23-0x00000000047C0000-0x0000000004E18000-memory.dmp

Filesize
6.3MB

Download
memory/628-19-0x0000000005BD0000-0x00000000065D0000-memory.dmp

Filesize
10.0MB

Download
memory/628-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-1-0x00000000047C0000-0x0000000004E18000-memory.dmp

Filesize
6.3MB

Download
memory/2676-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2676-24-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3456-15-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3456-10-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3456-9-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download

Analysis

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