05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e

General

Target

05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe
Size

43KB
MD5

bf92c1be85837e1cce8ff9920d5541bb
SHA1

a5858c6c9fbf5ccff1aa57bf5e1a44d9355d8c55
SHA256

05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e
SHA512

ff279e9d7ab5b3312ab163f61710ff4cb94730526a2f460259b164c9a308db084f77510f8de3d052e42ccad07b2468acaa02a8070f08f0e8fae42bffd0aca428
SSDEEP

768:vC+Z8T8fX29dS4gaD0rK9JTv2E35p1h6HBjHvaqvtG1J97Ft1SCPNA90KHCCjPkQ:o/JaUEt9itrPqHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

944 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

620 netsh.exe

pid	process
944	svchost.exe

pid	process
620	netsh.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe

Loads dropped DLL 1 IoCs

Processes:

05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe

pid process

1048 05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe

pid	process
1048	05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

svchost.exe

pid process

944 svchost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svchost.exe

description pid process

Token: SeDebugPrivilege 944 svchost.exe

pid	process
944	svchost.exe

description	pid	process
Token: SeDebugPrivilege	944	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exesvchost.exe

description	pid	process	target process
PID 1048 wrote to memory of 944	1048	05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe	svchost.exe
PID 1048 wrote to memory of 944	1048	05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe	svchost.exe
PID 1048 wrote to memory of 944	1048	05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe	svchost.exe
PID 1048 wrote to memory of 944	1048	05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe	svchost.exe
PID 944 wrote to memory of 620	944	svchost.exe	netsh.exe
PID 944 wrote to memory of 620	944	svchost.exe	netsh.exe
PID 944 wrote to memory of 620	944	svchost.exe	netsh.exe
PID 944 wrote to memory of 620	944	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe
"C:\Users\Admin\AppData\Local\Temp\05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:620

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
43KB

MD5
bf92c1be85837e1cce8ff9920d5541bb

SHA1
a5858c6c9fbf5ccff1aa57bf5e1a44d9355d8c55

SHA256
05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e

SHA512
ff279e9d7ab5b3312ab163f61710ff4cb94730526a2f460259b164c9a308db084f77510f8de3d052e42ccad07b2468acaa02a8070f08f0e8fae42bffd0aca428

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
43KB

MD5
bf92c1be85837e1cce8ff9920d5541bb

SHA1
a5858c6c9fbf5ccff1aa57bf5e1a44d9355d8c55

SHA256
05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e

SHA512
ff279e9d7ab5b3312ab163f61710ff4cb94730526a2f460259b164c9a308db084f77510f8de3d052e42ccad07b2468acaa02a8070f08f0e8fae42bffd0aca428

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
43KB

MD5
bf92c1be85837e1cce8ff9920d5541bb

SHA1
a5858c6c9fbf5ccff1aa57bf5e1a44d9355d8c55

SHA256
05b3f817f2aa08d41d3683d57a8ad3673e1fb8993e01e39d699cc1709d743c9e

SHA512
ff279e9d7ab5b3312ab163f61710ff4cb94730526a2f460259b164c9a308db084f77510f8de3d052e42ccad07b2468acaa02a8070f08f0e8fae42bffd0aca428

Download Submit
memory/620-60-0x0000000000000000-mapping.dmp

Download
memory/944-56-0x0000000000000000-mapping.dmp

Download
memory/944-62-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/944-64-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1048-61-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads