4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0

General

Target

4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe
Size

225KB
MD5

5a3deff4e60a6a77dfc2719fc4de835a
SHA1

282094c0ffc070ec167baea8fcac69ca1d15503a
SHA256

4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0
SHA512

183c0c51411f55d66c25647aa4c1f5eec45cf88e9ccf79d1dfdae862e7a986d65f90196fb5831f77b7ea77fd92105916a09a5621a3c9f7fa4a4eec1aedea8c15
SSDEEP

6144:WA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:WATuTAnKGwUAW3ycQqgl

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
3016	2564	WerFault.exe	105
3468	1440	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	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.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
1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe
1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2564	winver.exe
1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2564	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	105
PID 1440 wrote to memory of 2564	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	105
PID 1440 wrote to memory of 2564	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	105
PID 1440 wrote to memory of 2564	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	105
PID 2564 wrote to memory of 3388	2564	winver.exe	55
PID 1440 wrote to memory of 3388	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	55
PID 1440 wrote to memory of 680	1440	4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe
  "C:\Users\Admin\AppData\Local\Temp\4c09b5eaca6edcec6138a72ebbe4be60364fb83feb66aadb9fc1d44203e1dae0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 300
      4⤵
      Program crash
      PID:3016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 1020
    3⤵
    - Program crash
    PID:3468

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2564 -ip 2564
1⤵
PID:620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1440 -ip 1440
1⤵
PID:4812

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/680-16-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/680-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1440-15-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/1440-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1440-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1440-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1440-1-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1440-3-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1440-17-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/1440-21-0x00000000046D0000-0x0000000004D28000-memory.dmp

Filesize
6.3MB

Download
memory/1440-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3388-7-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3388-8-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3388-13-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download

Analysis

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