efecaf4ae30116f551fd34b1e8593f6b54868888a2e87f10b07cd28844c91372

Analysis

max time kernel
170s
max time network
137s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 17:17

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General

Target

NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe
Size

79KB
MD5

3768c47d3eb04d8fd099016bbfa72a20
SHA1

ed9a4caadde931151ad30eec7a7ad2cfcd5d245e
SHA256

efecaf4ae30116f551fd34b1e8593f6b54868888a2e87f10b07cd28844c91372
SHA512

ef887f193ddd90aee2d06d5a1a54fb8da30c4142a4bd9b901c127df5237e80e68cdda91d646cf84fef59f893faa02f06715da7e2f2517e1f7e470e3e51d4abef
SSDEEP

1536:/Ao0zj2d6rnJYulBJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01NE:/AoAliulHnJBSX1nV1b1N1Il1k1YFI1P

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	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-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2376	2536	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe	28
PID 2536 wrote to memory of 2376	2536	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe	28
PID 2536 wrote to memory of 2376	2536	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe	28
PID 2536 wrote to memory of 2376	2536	NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.3768c47d3eb04d8fd099016bbfa72a20.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2376

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
80KB

MD5
28a3cb1d1ea320f84999db82eceaac6a

SHA1
80caea32c5707acca200e018ce6a5cd1dca2ead0

SHA256
7bf2308c9d235437815f11bc3ad809953143806dec86d1d06a309e16893b09aa

SHA512
280625ca059dc60f34913b5c9771aad4bd4e240bea61d21314798e66b2e1f69cb5620b5ae5588db15894c6cdaf0e1435a222cdd8f51c5f0c432502c9849e7de1

Download Submit
C:\Windows\microsofthelp.exe

Filesize
80KB

MD5
28a3cb1d1ea320f84999db82eceaac6a

SHA1
80caea32c5707acca200e018ce6a5cd1dca2ead0

SHA256
7bf2308c9d235437815f11bc3ad809953143806dec86d1d06a309e16893b09aa

SHA512
280625ca059dc60f34913b5c9771aad4bd4e240bea61d21314798e66b2e1f69cb5620b5ae5588db15894c6cdaf0e1435a222cdd8f51c5f0c432502c9849e7de1

Download Submit
C:\Windows\microsofthelp.exe

Filesize
80KB

MD5
28a3cb1d1ea320f84999db82eceaac6a

SHA1
80caea32c5707acca200e018ce6a5cd1dca2ead0

SHA256
7bf2308c9d235437815f11bc3ad809953143806dec86d1d06a309e16893b09aa

SHA512
280625ca059dc60f34913b5c9771aad4bd4e240bea61d21314798e66b2e1f69cb5620b5ae5588db15894c6cdaf0e1435a222cdd8f51c5f0c432502c9849e7de1

Download Submit
memory/2376-8-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2376-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2536-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2536-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads