4d577255d4bb179b88c26f7b324dad13ee332213369287bfec305ccd33f27e18

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 00:01

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General

Target

ca388e5e222abd7ae00e5cc0b87533a0N.exe
Size

52KB
MD5

ca388e5e222abd7ae00e5cc0b87533a0
SHA1

07c227489127a7c023404aca699252e1eedc8e4d
SHA256

4d577255d4bb179b88c26f7b324dad13ee332213369287bfec305ccd33f27e18
SHA512

dbf6fe6a77d6e001c9069d9ebdb57df084233f413fc0e1b91f175499695437cea500b5abed2771dd43f955d08292f296d954944153a8b2e2f98a55187afca4b9
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIV:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2200	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2200	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ca388e5e222abd7ae00e5cc0b87533a0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ca388e5e222abd7ae00e5cc0b87533a0N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	ca388e5e222abd7ae00e5cc0b87533a0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2200	2580	ca388e5e222abd7ae00e5cc0b87533a0N.exe	30
PID 2580 wrote to memory of 2200	2580	ca388e5e222abd7ae00e5cc0b87533a0N.exe	30
PID 2580 wrote to memory of 2200	2580	ca388e5e222abd7ae00e5cc0b87533a0N.exe	30
PID 2580 wrote to memory of 2200	2580	ca388e5e222abd7ae00e5cc0b87533a0N.exe	30

C:\Users\Admin\AppData\Local\Temp\ca388e5e222abd7ae00e5cc0b87533a0N.exe
"C:\Users\Admin\AppData\Local\Temp\ca388e5e222abd7ae00e5cc0b87533a0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2200

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
53KB

MD5
50a96fa6906ddf12f8321c3952a9dbe5

SHA1
b5adac73bcd6a4a1d9b297b5f30e32616808f68c

SHA256
9941d90da4da83bea0ca7417f9d0fd5e777089e654b0741ff7704b44f85cb470

SHA512
af0b2ae1652e2a31c9d6a84122a177629762aaf57b2869ba3e0736dde1b7c198dbd41ffcb0edcb9e6db4e87f8e548eb6c7ec8a94956b56c574d0890cbfb86b1a

Download Submit
memory/2200-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2200-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2580-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2580-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads