471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 09:21

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General

Target

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Size

161KB
MD5

517d709b1b99fa87ddfe61950a93cf5c
SHA1

2b6da3641ad3c13be272c7e66c938afd5879d65f
SHA256

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f
SHA512

e23c60821e71704ab77ed8031b025b6ec9065479b766ca9fce2d4e93f1e4e66f7ed821d161890dfd87306408917c82514aaf96506cfc335e2c0bd1166fd1809f
SSDEEP

3072:+dhOdhhyAbz6XdKWf4xEE1ODDl9oz4ilUEPllLBDlWz:+dhw1CZJEQXl9o05EDLBlWz

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d075a39.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d075a39 = "C:\\Users\\Admin\\AppData\\Roaming\\d075a39.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*075a39 = "C:\\Users\\Admin\\AppData\\Roaming\\d075a39.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d075a3 = "C:\\d075a39\\d075a39.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*075a3 = "C:\\d075a39\\d075a39.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe

description	pid	Process	procid_target
PID 828 set thread context of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exeexplorer.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

explorer.exe

pid	Process
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe
1376	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exeexplorer.exe

pid	Process
3692	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
1376	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exeexplorer.exe

description	pid	Process	procid_target
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 828 wrote to memory of 3692	828	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	89
PID 3692 wrote to memory of 1376	3692	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	90
PID 3692 wrote to memory of 1376	3692	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	90
PID 3692 wrote to memory of 1376	3692	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	90
PID 1376 wrote to memory of 4012	1376	explorer.exe	91
PID 1376 wrote to memory of 4012	1376	explorer.exe	91
PID 1376 wrote to memory of 4012	1376	explorer.exe	91

C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
"C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:828
- C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
  "C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\syswow64\explorer.exe"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1376
  - - C:\Windows\SysWOW64\svchost.exe
      -k netsvcs
      4⤵
      System Location Discovery: System Language Discovery
      PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1376-2-0x0000000000F20000-0x0000000000F43000-memory.dmp

Filesize
140KB

Download
memory/1376-5-0x0000000000F20000-0x0000000000F43000-memory.dmp

Filesize
140KB

Download
memory/1376-11-0x0000000000F20000-0x0000000000F43000-memory.dmp

Filesize
140KB

Download
memory/3692-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3692-1-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3692-3-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4012-9-0x0000000000430000-0x0000000000453000-memory.dmp

Filesize
140KB

Download
memory/4012-10-0x0000000000430000-0x0000000000453000-memory.dmp

Filesize
140KB

Download
memory/4012-12-0x0000000000430000-0x0000000000453000-memory.dmp

Filesize
140KB

Download