c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 02:33

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General

Target

c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe
Size

33KB
MD5

6cb76917fdc15b6663c4bba3fcfcbec3
SHA1

762d059a83f03ff7d85500c244b29a7c89ed69bf
SHA256

c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022
SHA512

58d47312866f530664faa5da5707db018daa7d130c2fa4080683d5b7a388a9b9fa3c7bb8764b8eb94e7752c5d5d4993dc9aca449e989d1e43d8ad54c12e79e8d
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhH:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYn

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2424	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2424	2428	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe	28
PID 2428 wrote to memory of 2424	2428	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe	28
PID 2428 wrote to memory of 2424	2428	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe	28
PID 2428 wrote to memory of 2424	2428	c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe	28

C:\Users\Admin\AppData\Local\Temp\c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe
"C:\Users\Admin\AppData\Local\Temp\c4ec69121251a37cdca86baf7b3251dfc549cde5d4fafb8a8d759899739c9022.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2424

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
34KB

MD5
639e9ae1ddb627ccc6ab2ddf8a52cd6b

SHA1
e3f563a9848f7cccea6abe2f1abd75304d38d29f

SHA256
d7b5a2249c84fcb60588e9a7bcdb620cdff488b76db18cfce26fd63e043077fb

SHA512
9a14dd75a7a84115699c00b8c67659183e361f61cc448c47f889dbfb7be924dd304a62681a5cd276165da3faa97593365b528a1d174f3b21e383ed48eb3965f6

Download Submit
memory/2424-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2428-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2428-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads