d2d093958031e8fe72d9608eb3cc589252158758f1b8c56e0ddbe6ddc59a37d2

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 12:15

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General

Target

cf666233d93014f57c0819d441681b10N.exe
Size

5KB
MD5

cf666233d93014f57c0819d441681b10
SHA1

4da917d93bd9a3ed25ef255d015381ec95521ade
SHA256

d2d093958031e8fe72d9608eb3cc589252158758f1b8c56e0ddbe6ddc59a37d2
SHA512

a09a9afd41f881ada0ecad1a216a7d76b9e89bd857d96d1a85b8ed68630d35d81dfc1c545640c4a6357cba0f02a6551c083901308b935b352192b9ca93eb064a
SSDEEP

96:1TdDlgcNhFxW/7n01fLfVvNzVNgfpJMC9prpwy12vkWnliu2NkzLUssCFzs608l:1TQcNhCefrVvNz9CTr312vkWl92NGosf

Score

10^/10

defense_evasion discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\Tasks\\conime.exe"	cf666233d93014f57c0819d441681b10N.exe

Executes dropped EXE 1 IoCs

pid	Process
1896	conime.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\conime.exe	cf666233d93014f57c0819d441681b10N.exe
File created	C:\Windows\Tasks\conime.exe	cf666233d93014f57c0819d441681b10N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3704	1896	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 3 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	cf666233d93014f57c0819d441681b10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conime.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1896	2172	cf666233d93014f57c0819d441681b10N.exe	93
PID 2172 wrote to memory of 1896	2172	cf666233d93014f57c0819d441681b10N.exe	93
PID 2172 wrote to memory of 1896	2172	cf666233d93014f57c0819d441681b10N.exe	93
PID 2172 wrote to memory of 2628	2172	cf666233d93014f57c0819d441681b10N.exe	96
PID 2172 wrote to memory of 2628	2172	cf666233d93014f57c0819d441681b10N.exe	96
PID 2172 wrote to memory of 2628	2172	cf666233d93014f57c0819d441681b10N.exe	96

C:\Users\Admin\AppData\Local\Temp\cf666233d93014f57c0819d441681b10N.exe
"C:\Users\Admin\AppData\Local\Temp\cf666233d93014f57c0819d441681b10N.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\Tasks\conime.exe
  C:\Windows\Tasks\conime.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1276
    3⤵
    - Program crash
    PID:3704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\cf666233d93014f57c0819d441681b10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1896 -ip 1896
1⤵
PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Tasks\conime.exe

Filesize
5KB

MD5
cf666233d93014f57c0819d441681b10

SHA1
4da917d93bd9a3ed25ef255d015381ec95521ade

SHA256
d2d093958031e8fe72d9608eb3cc589252158758f1b8c56e0ddbe6ddc59a37d2

SHA512
a09a9afd41f881ada0ecad1a216a7d76b9e89bd857d96d1a85b8ed68630d35d81dfc1c545640c4a6357cba0f02a6551c083901308b935b352192b9ca93eb064a

Download Submit
memory/1896-10-0x0000000000400000-0x0000000000401600-memory.dmp

Filesize
5KB

Download
memory/2172-0-0x0000000000400000-0x0000000000401600-memory.dmp

Filesize
5KB

Download
memory/2172-2-0x0000000000400000-0x0000000000401600-memory.dmp

Filesize
5KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads