4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 21:52

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General

Target

4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe
Size

39KB
MD5

0dbdbd915a9723addc71ea5a0b6495ca
SHA1

1cd03ccca7310f2c2c079705b55b40cfb2ca7f6b
SHA256

4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc
SHA512

9c97722d4ab496e0a6e1f4b9fde741613f0759623c8599621f744af30a84e5336aabc10f67eabc302a2d8aad1168e6bd7e7546640c1e9bf6a52e23dd95f16eff
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYg

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2748	2876	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe	30
PID 2876 wrote to memory of 2748	2876	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe	30
PID 2876 wrote to memory of 2748	2876	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe	30
PID 2876 wrote to memory of 2748	2876	4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe	30

C:\Users\Admin\AppData\Local\Temp\4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe
"C:\Users\Admin\AppData\Local\Temp\4840816ab0990086daa6d1e71cdf731cbd7f8e727e73ab1daac490fb45d0c4fc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2748

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
39KB

MD5
e2ad70153c34b8529c47564388591a16

SHA1
0fbf15fed036aa4b5108273d6eaf8c30c1d04bc2

SHA256
db543ab2ae95831e301d3a60eeeb45f101b30566700d71fc741287fe763baa8a

SHA512
2d32c860e1b1d6a0b4918497aedbc9e9440cffed9349290ec0d9d1267696afa44068de05b08844ee2304eee8c9cab8b490de092f0f3fcb11a40b8fbbb712ce17

Download Submit
memory/2748-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2876-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2876-3-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download
memory/2876-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads