31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 20:07

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General

Target

31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe
Size

480KB
MD5

3eabf16fb90b819216e42f9ffe8f81f7
SHA1

d367b566c00fcbee2708a2aa9fbfd69cf6f219de
SHA256

31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966
SHA512

21389815ee5120240a6b794f70bba8e2c59d3665b7a3a66997ae3b455a100f204179239084a3397677928d34821897b25aba19b08c935cb7c26bb68aef5b8a6d
SSDEEP

6144:AjlYKRF/LReWAsUyoJ9WFr2eu1ZDRNaw7y6JAwGqu7MJaNJjIRx3M8FPQsaRQMui:AjauDReWm0G1VAwGq9aIy/QLi

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2984	ylbsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe
1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\ylbsc.exe"	ylbsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2984	1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe	28
PID 1904 wrote to memory of 2984	1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe	28
PID 1904 wrote to memory of 2984	1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe	28
PID 1904 wrote to memory of 2984	1904	31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe	28

C:\Users\Admin\AppData\Local\Temp\31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe
"C:\Users\Admin\AppData\Local\Temp\31499437179132245c49ee9e1264e8c43bd274a37c769d8be4f98ad483047966.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1904
- C:\ProgramData\ylbsc.exe
  "C:\ProgramData\ylbsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2984

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache .exe

Filesize
480KB

MD5
95be663f9e288e436883cafaebcc9e53

SHA1
a2700f4e520b25429c2e72ec617e107981b78a4a

SHA256
885bc3f9b6eac7f60ffa7c2ac5496ad55058a3c7cbe80a1030227ba8ad3e2a40

SHA512
66ee270aa6e2f0ab65c54bd06ec6f0c13945457a1094fc8f374468bc8b3e461ae7505a7b051fb90a24ac8826121491f74436dfc59bc0d7770e7d2520f9c1c324

Download Submit
C:\ProgramData\Saaaalamm\Mira.h

Filesize
136KB

MD5
2bd01b99551cc639ddb5cb66914904a6

SHA1
50beb8bab8be15271951130ac833eb19566f9333

SHA256
9764e531dd52e37a454c7f052a17fe7b68821dc3570286aab7bb4706639efe40

SHA512
374436459d62bdd62fc79b779e5aef155d7b8817e3d64e53639130be49d061a251d04a3882d403c1cacf890f91fa53e9137e551f3f6479341e09fe97c7bf2390

Download Submit
C:\ProgramData\ylbsc.exe

Filesize
343KB

MD5
5d41410cbf4e76dc9b36bd6ef581c304

SHA1
33cb42491fcd6561257c15b0102f143e4fdbafd5

SHA256
7d97e7f025b9a006efcc41bbc48a77015e414b53c2b737c7f4deaff7c33fabb6

SHA512
6bb815b6c4bf8dd8da38d2f9032dcb6c8222a400001b5c0854f9305f8943ddb5ee284455c7afda7c568429ef2b881d74f63de3d41e671f594d4b0e56da743233

Download Submit
memory/1904-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1904-1-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1904-12-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/2984-131-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads