66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb

General

Target

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
Size

225KB
MD5

1b82cbc21c431ac2aeddcd4c8c803d22
SHA1

fd6c25e068d00f289a575b685a1bb7967ea71862
SHA256

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb
SHA512

7a707faa6617bc48da07f7fdcfa19a3b7fb98b0c7af777e55dff8bfbce8dd29af1a454ed2b539a35c0dbd82fe84f6412727f1e6c127b7ac6c40ea237e3148d9f
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:jATuTAnKGwUAW3ycQqgf

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
1484	916	WerFault.exe	101
3612	1700	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	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.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
1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
916	winver.exe
1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 916	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	101
PID 1700 wrote to memory of 916	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	101
PID 1700 wrote to memory of 916	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	101
PID 1700 wrote to memory of 916	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	101
PID 916 wrote to memory of 3624	916	winver.exe	56
PID 1700 wrote to memory of 3624	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	56
PID 1700 wrote to memory of 2684	1700	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
- C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
  "C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 300
      4⤵
      Program crash
      PID:1484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 968
    3⤵
    - Program crash
    PID:3612

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
1⤵
PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1700 -ip 1700
1⤵
PID:1728

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/1700-1-0x0000000004610000-0x0000000004C68000-memory.dmp

Filesize
6.3MB

Download
memory/1700-2-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1700-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1700-10-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/1700-14-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/1700-18-0x0000000004610000-0x0000000004C68000-memory.dmp

Filesize
6.3MB

Download
memory/2684-13-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2684-19-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3624-4-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3624-5-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3624-11-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download

Analysis

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