75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2

General

Target

75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe
Size

225KB
MD5

742f8b887080d85593716cb29af64241
SHA1

ae9050df92781ea757b1705d83fa36ce59f47f7e
SHA256

75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2
SHA512

94edfc57ad61098a14f804d26bd03869e6f74687638959f7503be26957af806bff3291b13ab60329618179e39f4fe6995d6ec918b922d7d1babdaf44834afbdb
SSDEEP

6144:cA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:cATuTAnKGwUAW3ycQqgV

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
4240	3528	WerFault.exe	95
2436	3516	WerFault.exe	83

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	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.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
3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe
3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3528	winver.exe
3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 3528	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	95
PID 3516 wrote to memory of 3528	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	95
PID 3516 wrote to memory of 3528	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	95
PID 3516 wrote to memory of 3528	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	95
PID 3528 wrote to memory of 3432	3528	winver.exe	56
PID 3516 wrote to memory of 3432	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	56
PID 3516 wrote to memory of 2868	3516	75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe
  "C:\Users\Admin\AppData\Local\Temp\75e0a7d25358dae01cfa35549edb663168714e025e4be0b15117f1bb32af8fd2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 300
      4⤵
      Program crash
      PID:4240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 956
    3⤵
    - Program crash
    PID:2436

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3528 -ip 3528
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3516 -ip 3516
1⤵
PID:2876

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/2868-18-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2868-24-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3432-10-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3432-9-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3432-15-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3516-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3516-7-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3516-6-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3516-1-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download
memory/3516-4-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3516-5-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download
memory/3516-14-0x0000000005B70000-0x0000000006570000-memory.dmp

Filesize
10.0MB

Download
memory/3516-3-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download
memory/3516-23-0x0000000004720000-0x0000000004D78000-memory.dmp

Filesize
6.3MB

Download
memory/3516-20-0x0000000005B70000-0x0000000006570000-memory.dmp

Filesize
10.0MB

Download
memory/3516-2-0x0000000003ED0000-0x0000000003ED1000-memory.dmp

Filesize
4KB

Download

Analysis

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