b0f2d91e0a074f01c9c1dfbf21046b6f9ef90de5a9e9df8798934abf39a76ef7

Analysis

max time kernel
151s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 19:44

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General

Target

NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
Size

67KB
MD5

b45f6580dd149801c80bbe23a70950bf
SHA1

c48c5cc3829bc98cb14a649674866595d6786837
SHA256

b0f2d91e0a074f01c9c1dfbf21046b6f9ef90de5a9e9df8798934abf39a76ef7
SHA512

20d83180f317fc701f14712451bbf4fa54e75dc4114111ddccbb8d30ebb91da0c0ed05cf39dd250e36a3eff02c984d030d7419e0151443bf1b0a846521a471c3
SSDEEP

1536:/Ao0zj2d6rnJYulBJnDQEEa1EfBE+1EC1p1E1aE1E1EEE1+BX1EE9h1EJvY1kwvb:/AoAliulHnDQEEa1EfBE+1EC1p1E1aEe

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1264	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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1264	1292	NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe	83
PID 1292 wrote to memory of 1264	1292	NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe	83
PID 1292 wrote to memory of 1264	1292	NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe	83

C:\Users\Admin\AppData\Local\Temp\NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b45f6580dd149801c80bbe23a70950bf_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1264

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
68KB

MD5
669b467878ec10a138b033e708aaf2d6

SHA1
2249f65a6824830c9a63f97bd804384749e56881

SHA256
c3c500516b7e31c0edfc20f0df6f4d70f98058b7973dc313afc1a8cc0140c762

SHA512
22bbcebfebf1b4cc4e037a8afcc960bf1cf18b1705d9adf48ca9250ccc6026afcf1b0da91b8f0ad5e7a14c989000117519d6541ff459b9b98fd0f6dd38b5358e

Download Submit
C:\Windows\microsofthelp.exe

Filesize
68KB

MD5
669b467878ec10a138b033e708aaf2d6

SHA1
2249f65a6824830c9a63f97bd804384749e56881

SHA256
c3c500516b7e31c0edfc20f0df6f4d70f98058b7973dc313afc1a8cc0140c762

SHA512
22bbcebfebf1b4cc4e037a8afcc960bf1cf18b1705d9adf48ca9250ccc6026afcf1b0da91b8f0ad5e7a14c989000117519d6541ff459b9b98fd0f6dd38b5358e

Download Submit
memory/1264-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1292-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1292-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads