058546ffbdd2d943985616c08fba3982629e6409a1abbdc82069ccb6a5cba984

Analysis

max time kernel
153s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2023 09:01

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General

Target

NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe
Size

28KB
MD5

ef1573273b155c3cfb938f70fefa0470
SHA1

e637d9a1017f2930b36fa85a88d23c807dc8f8a3
SHA256

058546ffbdd2d943985616c08fba3982629e6409a1abbdc82069ccb6a5cba984
SHA512

333441156eb33ada090bedc3f9fd18468351db94f3c9852fd5c9d564e4043ca5179b80f31f35fa5526dcac129f7d7225fa4dc59c4d2ddb79891a3061edab051c
SSDEEP

768:lqPJteY3ez3O98bLDVnFov9RZ3P7CFxlSJekhv8OajUc+6CWfJTiUuanutNyNuCk:lq+Y3ez3O98bLDVnFov9RZ3P7CFxlSJV

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2976	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 2976	3136	NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe	89
PID 3136 wrote to memory of 2976	3136	NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe	89
PID 3136 wrote to memory of 2976	3136	NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe	89

C:\Users\Admin\AppData\Local\Temp\NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.ef1573273b155c3cfb938f70fefa0470_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2976

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
ededdaceedf316570e145af6b77fc1cb

SHA1
3eacb6402db85e2b490838fb335c9aa9c6654b1c

SHA256
3bf38db6c73614f56fe310cd8ecc267c29eabbe56aad730924184f6d53c9e832

SHA512
05ffd7b0102b0bc9e8b0ce525e4b5b9bf918dafcfc452649532e70bfae282ff71bff9e5c8e4810df84c76298e43e34c922a279c281b9af09940dd96a0120e9df

Download Submit
C:\Windows\microsofthelp.exe

Filesize
28KB

MD5
ededdaceedf316570e145af6b77fc1cb

SHA1
3eacb6402db85e2b490838fb335c9aa9c6654b1c

SHA256
3bf38db6c73614f56fe310cd8ecc267c29eabbe56aad730924184f6d53c9e832

SHA512
05ffd7b0102b0bc9e8b0ce525e4b5b9bf918dafcfc452649532e70bfae282ff71bff9e5c8e4810df84c76298e43e34c922a279c281b9af09940dd96a0120e9df

Download Submit
memory/2976-5-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download
memory/3136-0-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads