8cbd443bb7395b6e7c5cbb12c33795b7323232ba91121aabd9b0ddc5de1a3549

Analysis

max time kernel
154s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 14:02

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General

Target

757f2c2d68691d7ef33d401a15d3fc73_JC.exe
Size

96KB
MD5

757f2c2d68691d7ef33d401a15d3fc73
SHA1

22221ef582d899a7a46e2871404884c1e251efe1
SHA256

8cbd443bb7395b6e7c5cbb12c33795b7323232ba91121aabd9b0ddc5de1a3549
SHA512

d10661f20b0e7a4109664f1d511cded723aff1a9f4927b20ca242b955b9ef133b103457ae12a3001f166262dd1503f919c30d3c699f5de3a506f1c64a5191468
SSDEEP

3072:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhCHODpOJu:zw6D

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2264	microsofthelp.exe

Loads dropped DLL 1 IoCs

pid	Process
2264	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"	757f2c2d68691d7ef33d401a15d3fc73_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	757f2c2d68691d7ef33d401a15d3fc73_JC.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2264	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2264	2940	757f2c2d68691d7ef33d401a15d3fc73_JC.exe	84
PID 2940 wrote to memory of 2264	2940	757f2c2d68691d7ef33d401a15d3fc73_JC.exe	84
PID 2940 wrote to memory of 2264	2940	757f2c2d68691d7ef33d401a15d3fc73_JC.exe	84

C:\Users\Admin\AppData\Local\Temp\757f2c2d68691d7ef33d401a15d3fc73_JC.exe
"C:\Users\Admin\AppData\Local\Temp\757f2c2d68691d7ef33d401a15d3fc73_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2940
- 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:2264

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
96KB

MD5
e20711ba395acaf840e7cb9c6377b7a5

SHA1
90b261b01158a18686575fa9ade62def5c37d952

SHA256
0229f52473743568c2008a465e9d66db1fc2872d80ad52ec8e3e90783167675b

SHA512
1f6a65070a2e74cb314e16f6ebc7237a42e9be0261676544d7a26adda3b655f012bbebcf427e584bdef9b5b69efcd287ad6322248cf94c8bcb985fc6d06341f7

Download Submit
C:\Windows\microsofthelp.exe

Filesize
96KB

MD5
e20711ba395acaf840e7cb9c6377b7a5

SHA1
90b261b01158a18686575fa9ade62def5c37d952

SHA256
0229f52473743568c2008a465e9d66db1fc2872d80ad52ec8e3e90783167675b

SHA512
1f6a65070a2e74cb314e16f6ebc7237a42e9be0261676544d7a26adda3b655f012bbebcf427e584bdef9b5b69efcd287ad6322248cf94c8bcb985fc6d06341f7

Download Submit
memory/2264-10-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2264-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2264-22-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2940-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2940-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads