cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 20:59

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General

Target

cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe
Size

30KB
MD5

2cff4c60bd6fe9b37771ef0e33a30928
SHA1

6f15474fe6d6d371ffcc2eefe05b933c1712a130
SHA256

cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279
SHA512

4c23fea370d442572780eac68c5f6f291dc3243df659725b5a5768d9286d11bfa884a24d6faeeb74839d84a2aaa1c6e6aceaea9fdb164735b5f9bc85077e6948
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNha:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY6

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
380	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
380	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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 380	2340	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe	28
PID 2340 wrote to memory of 380	2340	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe	28
PID 2340 wrote to memory of 380	2340	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe	28
PID 2340 wrote to memory of 380	2340	cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe	28

C:\Users\Admin\AppData\Local\Temp\cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe
"C:\Users\Admin\AppData\Local\Temp\cb91cf8051595508dc6309938b348b72a7a5ba4f560456e3b18aedbef63ae279.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:380

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
30KB

MD5
bd25ab6dbffd95134a642705a4b4cbef

SHA1
ce128ab2847334c3410fd7f973fefc0c8ef051a9

SHA256
d980ca4cb2e985e8fcae02a6e3ac915c8ba262584875d78d941cc2ba0afd18bc

SHA512
4388dbda18657d4294b4671870a87c611289b4ec9f1e53f65e75a2697eedfa11c722516ea7fc2577bbe3b953496ee337918c36c40a02c9ef3733d3da327bf44a

Download Submit
memory/380-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2340-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2340-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2340-8-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads