c1c26a9b4ee5e75363cad461a1c772965057f870eb75affbe75420c5cf3130b8

Analysis

max time kernel
168s
max time network
181s
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 21:41

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General

Target

7fba1715efd411f1e36a973179749de7_JC.exe
Size

64KB
MD5

7fba1715efd411f1e36a973179749de7
SHA1

9b73623174edebcce326818033170b44eb3102cb
SHA256

c1c26a9b4ee5e75363cad461a1c772965057f870eb75affbe75420c5cf3130b8
SHA512

6633aae1193eae52434674811b1e1a31f444fac9dfb7506fc8b1a6efb5a7fa43e279114ca80d500f56ce8c52818351074e63922a855c670e9003932c0d2efd36
SSDEEP

1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1Rc:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1Mun

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4272	microsofthelp.exe

Loads dropped DLL 1 IoCs

pid	Process
4272	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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7fba1715efd411f1e36a973179749de7_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7fba1715efd411f1e36a973179749de7_JC.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4272	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 4272	1432	7fba1715efd411f1e36a973179749de7_JC.exe	87
PID 1432 wrote to memory of 4272	1432	7fba1715efd411f1e36a973179749de7_JC.exe	87
PID 1432 wrote to memory of 4272	1432	7fba1715efd411f1e36a973179749de7_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\7fba1715efd411f1e36a973179749de7_JC.exe
"C:\Users\Admin\AppData\Local\Temp\7fba1715efd411f1e36a973179749de7_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:4272

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\HidePlugin.dll

Filesize
5KB

MD5
4c0b9970f96300dfa1f45afc7539d35f

SHA1
ebbb4ed2003662d78d1f32e7b6da1b6f504ae711

SHA256
4e96660cc8be7171a79755a20860366987547322b3a809e78c9850f14c242262

SHA512
579f8787b52bf62a0296d8a24753263201fbc84abec5927033e3c97576f965ead0f8422acd3f7af1345b0df0001b0cd68fa971062e21269f6940cf3e1508ca88

Download Submit
C:\Windows\microsofthelp.exe

Filesize
64KB

MD5
95be830adfdf75474f066f7ab44f3004

SHA1
28b3c97f87cf8fb2e3f66e7446c030bd7cd76a7b

SHA256
6d7b78336662ee8c7071f23d2d433fb7c59fae4d27933e8e007f4a01a0304619

SHA512
df3bf700c81746f0efb09c37b430bbf05f0ed5a155d8ad89f344297e3b1d8fe4b6d4f770f02891d29a7d50207058bc8926b0dde4ef0e930fe19fdcde73f24807

Download Submit
C:\Windows\microsofthelp.exe

Filesize
64KB

MD5
95be830adfdf75474f066f7ab44f3004

SHA1
28b3c97f87cf8fb2e3f66e7446c030bd7cd76a7b

SHA256
6d7b78336662ee8c7071f23d2d433fb7c59fae4d27933e8e007f4a01a0304619

SHA512
df3bf700c81746f0efb09c37b430bbf05f0ed5a155d8ad89f344297e3b1d8fe4b6d4f770f02891d29a7d50207058bc8926b0dde4ef0e930fe19fdcde73f24807

Download Submit
memory/1432-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1432-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4272-10-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4272-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4272-22-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads