f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543

General

Target

f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe
Size

225KB
MD5

9216a182973df6197dcb2af871e415a8
SHA1

37b06f7689c474bb69cd59ff87855d77a3b09abb
SHA256

f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543
SHA512

647356e89e3137ee82ee7812a20817dd8a352261c9f3dfb39f71a0065d045e737d7b4212c56821a3da6415bc2f64ed00d3b6f2e3fd60203d3d9761668ef67599
SSDEEP

6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:nATuTAnKGwUAW3ycQqgN

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
2972	1516	WerFault.exe	103
5088	4048	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	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.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
4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe
4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1516	winver.exe
4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 1516	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	103
PID 4048 wrote to memory of 1516	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	103
PID 4048 wrote to memory of 1516	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	103
PID 4048 wrote to memory of 1516	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	103
PID 1516 wrote to memory of 3488	1516	winver.exe	56
PID 4048 wrote to memory of 3488	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	56
PID 4048 wrote to memory of 2696	4048	f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe
  "C:\Users\Admin\AppData\Local\Temp\f188787c7e31b66bd9efd5b455cc802f825e3e73b15a48135e73189c65207543.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 300
      4⤵
      Program crash
      PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 856
    3⤵
    - Program crash
    PID:5088

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1516 -ip 1516
1⤵
PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4048 -ip 4048
1⤵
PID:4124

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/2696-14-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/2696-20-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-12-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/4048-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4048-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4048-3-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4048-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4048-11-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4048-19-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/4048-15-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download

Analysis

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