9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 00:15

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General

Target

9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe
Size

34KB
MD5

ada0d2fe252a4bfdff4b76dc8b582c9d
SHA1

83ab71fd3f7dc4c969d188b0b1337c56d6169655
SHA256

9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642
SHA512

e38e7ee7b140994710e57c4901d6d5c8861e38dc9cd1c74d0204efcd454fd1a7769590eee11997950d124ff686b45bdeb3e4ee06e524a54a1b4ce0413156ebd5
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhs:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYM

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"	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2424	2228	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe	28
PID 2228 wrote to memory of 2424	2228	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe	28
PID 2228 wrote to memory of 2424	2228	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe	28
PID 2228 wrote to memory of 2424	2228	9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe	28

C:\Users\Admin\AppData\Local\Temp\9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe
"C:\Users\Admin\AppData\Local\Temp\9b273711326a030e496aa926a1de249ee1f1c7ee6a3b0163e6305a23721c2642.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2228
- 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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
34KB

MD5
008b27623011e7aed2beecae5ad8a3f5

SHA1
ea96b5a5d9ac453a359b605a6bc1417b119b6f38

SHA256
4e0555a47a1d3206ef508a0921f72999ce2ab9ce09ba78dd2cab8b5bfba0a801

SHA512
bde18e00ecb3d65da6a03218b1c428d1ec206d3ed3ec1f1eb0f49d7a58c4383f7673e1a81f22b3c4a00fa55c917b630063309efafc33df7da1537aef0a39e860

Download Submit
memory/2228-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2228-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

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

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads