a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:23

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General

Target

a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe
Size

45KB
MD5

52098f7ff73dea9a158db0647045240e
SHA1

ada2afb02c58a626cdfa49d64941398d0fcc50e2
SHA256

a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2
SHA512

f6702800ec8822bab9a6da0a54bdf2c6bcb6bc5385e6a1573fb70f3a10f1adf52d0899a2baae89bae1c26f8683fd473b29658ce57ae4b1888b6c654c297c2c85
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhO:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYu

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"	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.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	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2200	2580	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe	30
PID 2580 wrote to memory of 2200	2580	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe	30
PID 2580 wrote to memory of 2200	2580	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe	30
PID 2580 wrote to memory of 2200	2580	a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe	30

C:\Users\Admin\AppData\Local\Temp\a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.exe
"C:\Users\Admin\AppData\Local\Temp\a3bd2fe14070ec1a3bea3952024ca1ffea3ae9cd3ecc8ac58cefcb188345eaf2.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
46KB

MD5
03c84cad5ce2c86b6be5656b04c2ce78

SHA1
13ba096a1ec9ea9fa3f823f7b1e9b089e6fe94d4

SHA256
f4005406972b0da412e434fa6d6c046d39cbfae7a780e0995083d357b988f157

SHA512
2a2357b7ee82ee03922210b434c6b04db8f75eb4c443e9016aa6f1d0b6a9dc5769cd2e5aef4d136f27d29d708f930a1bef829663cfbf2beec73cb096c98645a5

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