757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62

General

Target

757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe
Size

225KB
MD5

8374d403b822f3f444d9396bc13ff981
SHA1

e0f80c681752ca810410ecaf08f3d3d74aeef7a5
SHA256

757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62
SHA512

9f53f7995d06268e346e04495c7f5e619132c9d424932dbf25ab6c3e27ec79986230c671cf26e42a5a3bae23806b5d742dbd0108b2b53ac38454f6ea87ea850c
SSDEEP

6144:6A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:6ATuTAnKGwUAW3ycQqgf

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
1028	2108	WerFault.exe	93
3764	3936	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	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.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
3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe
3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2108	winver.exe
3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 2108	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	93
PID 3936 wrote to memory of 2108	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	93
PID 3936 wrote to memory of 2108	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	93
PID 3936 wrote to memory of 2108	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	93
PID 2108 wrote to memory of 3424	2108	winver.exe	56
PID 3936 wrote to memory of 3424	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	56
PID 3936 wrote to memory of 2936	3936	757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2936

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe
  "C:\Users\Admin\AppData\Local\Temp\757b5708adf7f77863fc81fed679603c9d58df1eb31db65e1ba3e883788ffb62.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 300
      4⤵
      Program crash
      PID:1028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 960
    3⤵
    - Program crash
    PID:3764

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2108 -ip 2108
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3936 -ip 3936
1⤵
PID:4172

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/2936-14-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2936-20-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3424-11-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3936-1-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3936-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3936-3-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3936-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3936-10-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3936-16-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3936-19-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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