caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38

General

Target

caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe
Size

225KB
MD5

95b325e592433f1c06a268885f7958d0
SHA1

5e09f94c8a7ad56f6a2e5b1f5241e076e3995d8c
SHA256

caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38
SHA512

f2304d6c81062cab06d1ed2617c238f80d83ad7ce69219a5aaf2533ac883cf84d805c2cd24d292bf6e4f492693d7375ffd49c02c229c7445c116692db58d4bd1
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:XATuTAnKGwUAW3ycQqg1

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
4508	452	WerFault.exe	103
2008	3420	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.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
3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe
3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
452	winver.exe
3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 452	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	103
PID 3420 wrote to memory of 452	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	103
PID 3420 wrote to memory of 452	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	103
PID 3420 wrote to memory of 452	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	103
PID 452 wrote to memory of 3428	452	winver.exe	56
PID 3420 wrote to memory of 3428	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	56
PID 3420 wrote to memory of 912	3420	caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:912

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe
  "C:\Users\Admin\AppData\Local\Temp\caacd9abf0af060124a9e71c9a940fa216b87d07517dbc33455522096a3cbe38N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3420
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 300
      4⤵
      Program crash
      PID:4508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 856
    3⤵
    - Program crash
    PID:2008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 452 -ip 452
1⤵
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3420 -ip 3420
1⤵
PID:4436

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/912-16-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/912-22-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3420-15-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3420-4-0x0000000003E10000-0x0000000003E11000-memory.dmp

Filesize
4KB

Download
memory/3420-5-0x0000000003E10000-0x0000000003E11000-memory.dmp

Filesize
4KB

Download
memory/3420-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3420-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3420-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3420-18-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/3420-21-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/3420-2-0x0000000003E10000-0x0000000003E11000-memory.dmp

Filesize
4KB

Download
memory/3428-8-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3428-7-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3428-14-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download

Analysis

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