d31db1b1a6316dde55ab8da04aa9b422511c24ae4a1b4a1d93b36ae2ea5e54f6

Analysis

max time kernel
153s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 19:47

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General

Target

NEAS.dcf873a404680c891ca7315e644e8590_JC.exe
Size

69KB
MD5

dcf873a404680c891ca7315e644e8590
SHA1

22700dc9015389e9c4555965f317c6f26e2bad8c
SHA256

d31db1b1a6316dde55ab8da04aa9b422511c24ae4a1b4a1d93b36ae2ea5e54f6
SHA512

c729575d3b4c8ca4e1faeb83e9884195e842be17d1655b6065abaddd61c0f6d50f8a5f8a4e29a4e51d1b44eea2da5571920f526e57c7adc0329ac647f42c996c
SSDEEP

1536:YAowfUJFgjT284U+w2EwRz6OlvaeEpIaCtwUaSvcmGCCCCCCC+EaEAEtHjCCCCti:YAowyFgjTiUkEwt6OlvaeEpIaCtwUaSk

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1112	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1112	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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.dcf873a404680c891ca7315e644e8590_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.dcf873a404680c891ca7315e644e8590_JC.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	4092	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 1112	4916	NEAS.dcf873a404680c891ca7315e644e8590_JC.exe	86
PID 4916 wrote to memory of 1112	4916	NEAS.dcf873a404680c891ca7315e644e8590_JC.exe	86
PID 4916 wrote to memory of 1112	4916	NEAS.dcf873a404680c891ca7315e644e8590_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\NEAS.dcf873a404680c891ca7315e644e8590_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.dcf873a404680c891ca7315e644e8590_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1112

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3900

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4092

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
69KB

MD5
d00be6f9d5b60110cbf9e2c93dcd14f4

SHA1
a3e00f1535b5c78d06f2e2d9614aac011f27a47a

SHA256
642f628e3fec79bec76d130628a354c138e5ef254874eed1c7307c437aa48c8f

SHA512
6499f4a43b70294cfd8758699efb03fb415627a576c2412e16608b729c35fd51d9a39bf85477d436415b5497c1fb2bf1ada037e7437f3b2c5fb33887c7b88a1a

Download Submit
C:\Windows\microsofthelp.exe

Filesize
69KB

MD5
d00be6f9d5b60110cbf9e2c93dcd14f4

SHA1
a3e00f1535b5c78d06f2e2d9614aac011f27a47a

SHA256
642f628e3fec79bec76d130628a354c138e5ef254874eed1c7307c437aa48c8f

SHA512
6499f4a43b70294cfd8758699efb03fb415627a576c2412e16608b729c35fd51d9a39bf85477d436415b5497c1fb2bf1ada037e7437f3b2c5fb33887c7b88a1a

Download Submit
memory/1112-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4092-7-0x0000022511E40000-0x0000022511E50000-memory.dmp

Filesize
64KB

Download
memory/4092-23-0x0000022511F40000-0x0000022511F50000-memory.dmp

Filesize
64KB

Download
memory/4092-39-0x000002251A230000-0x000002251A231000-memory.dmp

Filesize
4KB

Download
memory/4092-41-0x000002251A260000-0x000002251A261000-memory.dmp

Filesize
4KB

Download
memory/4092-42-0x000002251A260000-0x000002251A261000-memory.dmp

Filesize
4KB

Download
memory/4092-43-0x000002251A370000-0x000002251A371000-memory.dmp

Filesize
4KB

Download
memory/4916-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4916-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads