4a18f035039c70bb967c6c8760deb97c59c051b7a47c8b41a433794240f9e7d6

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 05:40

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General

Target

320f59fc3d52b5f51c6b1e30a91cdc50N.exe
Size

38KB
MD5

320f59fc3d52b5f51c6b1e30a91cdc50
SHA1

73ba42845f557602004b6810134667231da05f8e
SHA256

4a18f035039c70bb967c6c8760deb97c59c051b7a47c8b41a433794240f9e7d6
SHA512

f82173f4acfe2832ec7739248a33ed62f41cdc6b40fad5aedaeb0753e87d34ea7d871ae11d4e0c3c0e707c7c134d602c3971dc4f84fcd171021dfe4195265d4e
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJjWHU:e6q10k0EFjed6rqJ+6vghzwYu7vih9G5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2392	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	320f59fc3d52b5f51c6b1e30a91cdc50N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	320f59fc3d52b5f51c6b1e30a91cdc50N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	320f59fc3d52b5f51c6b1e30a91cdc50N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2392	2536	320f59fc3d52b5f51c6b1e30a91cdc50N.exe	30
PID 2536 wrote to memory of 2392	2536	320f59fc3d52b5f51c6b1e30a91cdc50N.exe	30
PID 2536 wrote to memory of 2392	2536	320f59fc3d52b5f51c6b1e30a91cdc50N.exe	30
PID 2536 wrote to memory of 2392	2536	320f59fc3d52b5f51c6b1e30a91cdc50N.exe	30

C:\Users\Admin\AppData\Local\Temp\320f59fc3d52b5f51c6b1e30a91cdc50N.exe
"C:\Users\Admin\AppData\Local\Temp\320f59fc3d52b5f51c6b1e30a91cdc50N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2392

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
38KB

MD5
e83561a7f1cf89822fc71f1bccd718f3

SHA1
4423c591a6a8a6475b8ec8f18065e85cbea69a45

SHA256
fec66dc3c55a16461fddebbf6121a3d589bf773f1234cf77ba9bef3ca4c605d5

SHA512
2eb3caa3e9d03145bf235661e59b919916b135623d9ce2cde68ec21f4cb67fd93424c5d47408ef632b67a93e4dce45f23ca0bd7e30b23ac6924a2bef0243999c

Download Submit
memory/2392-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2536-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2536-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads