761f7d0982840f0cfecc3100c9d367aebd4871792c4f3d38ca569f7486ba4448

General

Target

e33c3707463d2ebddd209ac621160ee0N.exe
Size

237KB
MD5

e33c3707463d2ebddd209ac621160ee0
SHA1

84682d9412548f10094ca069e4ea8521d83b7964
SHA256

761f7d0982840f0cfecc3100c9d367aebd4871792c4f3d38ca569f7486ba4448
SHA512

64eae1affe142315167ce5b07630d7be56f253d368d624490eeee2a5c149d2fe6cade529b4f108a9e67e66b7cc130ecaa13fee80498032c26c2ecb1e4d165e2b
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:zATuTAnKGwUAWVycQqgj

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
4852	3564	WerFault.exe	100
544	1464	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e33c3707463d2ebddd209ac621160ee0N.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
1464	e33c3707463d2ebddd209ac621160ee0N.exe
1464	e33c3707463d2ebddd209ac621160ee0N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3564	winver.exe
1464	e33c3707463d2ebddd209ac621160ee0N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 3564	1464	e33c3707463d2ebddd209ac621160ee0N.exe	100
PID 1464 wrote to memory of 3564	1464	e33c3707463d2ebddd209ac621160ee0N.exe	100
PID 1464 wrote to memory of 3564	1464	e33c3707463d2ebddd209ac621160ee0N.exe	100
PID 1464 wrote to memory of 3564	1464	e33c3707463d2ebddd209ac621160ee0N.exe	100
PID 3564 wrote to memory of 3472	3564	winver.exe	56
PID 1464 wrote to memory of 3472	1464	e33c3707463d2ebddd209ac621160ee0N.exe	56
PID 1464 wrote to memory of 2640	1464	e33c3707463d2ebddd209ac621160ee0N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3472
- C:\Users\Admin\AppData\Local\Temp\e33c3707463d2ebddd209ac621160ee0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e33c3707463d2ebddd209ac621160ee0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1464
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 300
      4⤵
      Program crash
      PID:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 920
    3⤵
    - Program crash
    PID:544

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3564 -ip 3564
1⤵
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1464 -ip 1464
1⤵
PID:3980

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/1464-15-0x00000000057C0000-0x00000000061C0000-memory.dmp

Filesize
10.0MB

Download
memory/1464-1-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/1464-3-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/1464-4-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1464-5-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1464-6-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1464-7-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1464-8-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/1464-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1464-24-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/1464-21-0x00000000057C0000-0x00000000061C0000-memory.dmp

Filesize
10.0MB

Download
memory/1464-12-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2640-19-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2640-25-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3472-16-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/3472-10-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/3472-11-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download

Analysis

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