41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 21:26

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General

Target

41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe
Size

28KB
MD5

cbde7ea9f7f324c4b1ef352ea3284577
SHA1

6e6947dafd3f7ca29511a5782355bc1a814d090a
SHA256

41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720
SHA512

0f421998704299bbf61258049353b4f4128e47b8f0c4b814d81cd602c2740a8149bb31b2a0355706a8b50fe4879cacf550bf183ce3f7352fbef548fc67a67483
SSDEEP

768:7qPJtecA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdheV:7q+cA6C1VqaqhtgVRNToV7TtRu8rM0wv

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 3040	1888	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe	28
PID 1888 wrote to memory of 3040	1888	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe	28
PID 1888 wrote to memory of 3040	1888	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe	28
PID 1888 wrote to memory of 3040	1888	41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe	28

C:\Users\Admin\AppData\Local\Temp\41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe
"C:\Users\Admin\AppData\Local\Temp\41f6319333e52ef17cfe33d158e89fc8f76ce8542f30b7b9244bb498fb845720.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3040

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
28KB

MD5
a4fe7869383145e3806249b9eafae1ea

SHA1
3f8079831b006730c158d8ec06443b6724aa1b63

SHA256
6a81d8c489d680904024fdc54cb3761496d590f9c25f8bcc9b79b934b3b17453

SHA512
02488603406ef6b01aa13853c81e29e2c9689d2fd978e8f83c882fe36d287a514b629f1111c5f21b76b237134172ad100a2d0463bcaacee4ac826e4b05de5979

Download Submit
memory/1888-0-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download
memory/1888-3-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/3040-8-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads