c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25-04-2024 03:15

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General

Target

c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe
Size

64KB
MD5

48725924eb1a5936270b07014b6bfb9e
SHA1

2d13e44cf43f7f29fff3db75755935b7e7bd6d9a
SHA256

c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1
SHA512

33188e45288adebf5cf7bf96f64542186b1b845ffa6178d766f4c3cda0122cf5fa59e22a7ae68093ac5a437cff9fa59ed3282ffae2b9b8b4d3b7bab8633c11bb
SSDEEP

1536:/Ao0zj2d6rnJYulBJnDQEEa1EfBE+1EC1p1encpkt9+FrJECOaAesJaEsHTPua6Y:/AoAliulHnDQEEa1EfBE+1EC1p1encpV

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2020	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 2020	1028	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe	28
PID 1028 wrote to memory of 2020	1028	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe	28
PID 1028 wrote to memory of 2020	1028	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe	28
PID 1028 wrote to memory of 2020	1028	c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe	28

C:\Users\Admin\AppData\Local\Temp\c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe
"C:\Users\Admin\AppData\Local\Temp\c87373d31a0bf881a7f795194342e468882f8220a62ab43aa9749f4bcffa12c1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2020

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
64KB

MD5
bb9048b10a1bfb8c8625f8eef2b89186

SHA1
c1e7101a329a8d6f4148518a8b4cd7da6ba1f197

SHA256
fc872589436d8d03ad137c28f0bcbd10b4c111f57187a766691a735f3986c17a

SHA512
a9ba83f6578a307a24ee14d04f8b20ac012990d7fd8a038ed96b4d3e98e0f15dfe56fb94a63551c931a19ad06b0a7e5e5179a1b8d1b704d9cd44f29911c5942f

Download Submit
memory/1028-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2020-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads