3d6f8167c4ff4ebbb9b41c62943ff1304ac3133d458c7b2273443d12e0455320

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 16:13

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General

Target

NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe
Size

66KB
MD5

4397de36f5d4a6628c689050de2509e0
SHA1

54e1806a4fa620493cc65aeea4c944120f7e4e01
SHA256

3d6f8167c4ff4ebbb9b41c62943ff1304ac3133d458c7b2273443d12e0455320
SHA512

e21d607c45a5e5d7a564c36dbef4bb172382ded645ceebeed16785f20d104d824df28f6e1427e1f330f29fe27768bfde2950574e05d05ebe306426f8f00a4081
SSDEEP

1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1Rf:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuY

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3692	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3692	microsofthelp.exe

Loads dropped DLL 1 IoCs

pid	Process
3692	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-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3692	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 3692	3780	NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe	86
PID 3780 wrote to memory of 3692	3780	NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe	86
PID 3780 wrote to memory of 3692	3780	NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4397de36f5d4a6628c689050de2509e0_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3692

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
66KB

MD5
c0988cb600ce84bbfa02ed479b311426

SHA1
3bd026808ce7d53666128fe5c6de27829fe68955

SHA256
7ad13bd1b4d244e20453d8a7611c6fb93acc619362bb69078045f89801842be6

SHA512
8ce7ac20ed8144e678fefc98e12aa5fae71b4d5ced13b84ee57b818d0ed1beef6bee775d5fa4b59d1bf312766ec081f8162f1e27cffd8f8ff95babe9181632e8

Download Submit
C:\Windows\microsofthelp.exe

Filesize
66KB

MD5
c0988cb600ce84bbfa02ed479b311426

SHA1
3bd026808ce7d53666128fe5c6de27829fe68955

SHA256
7ad13bd1b4d244e20453d8a7611c6fb93acc619362bb69078045f89801842be6

SHA512
8ce7ac20ed8144e678fefc98e12aa5fae71b4d5ced13b84ee57b818d0ed1beef6bee775d5fa4b59d1bf312766ec081f8162f1e27cffd8f8ff95babe9181632e8

Download Submit
memory/3692-10-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/3692-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3780-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3780-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads