d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815e

Analysis

max time kernel
112s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 00:42

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General

Target

d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe
Size

225KB
MD5

3cd8e1d3e9fdd1f11c59597cd9a4ee30
SHA1

75e02b3f1e3803e7da7d0147ca85a404f4566222
SHA256

d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815e
SHA512

7743f2c87554c970c8cbdec92420ef2d156a9a178a75d6d1f8be83c66b930759b87cffbdc7a3bdb06ffc44009bf69f4dceb331e52f615b026752192ebeccdb82
SSDEEP

6144:EA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:EATuTAnKGwUAW3ycQqgf

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
4368	4748	WerFault.exe	103
1256	1544	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	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4748	winver.exe
1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4748	1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe	103
PID 1544 wrote to memory of 4748	1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe	103
PID 1544 wrote to memory of 4748	1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe	103
PID 1544 wrote to memory of 4748	1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe	103
PID 4748 wrote to memory of 3396	4748	winver.exe	56
PID 1544 wrote to memory of 3396	1544	d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe
  "C:\Users\Admin\AppData\Local\Temp\d3a27cf2fcd607e057dcadcb3f61384bda95537413398e64765bbb05d254815eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 300
      4⤵
      Program crash
      PID:4368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 896
    3⤵
    - Program crash
    PID:1256

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4748 -ip 4748
1⤵
PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1544 -ip 1544
1⤵
PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1544-1-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/1544-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1544-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1544-4-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/1544-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1544-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1544-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1544-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1544-18-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/3396-9-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3396-10-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3396-15-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download