f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
28/05/2026, 10:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe
Size 3.8MB
Sample260528-mdarfacy2l
SHA256 f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671
MD5 11c3594aa7b1843236f9ff67a62fc8db
SHA1 65f2f1976ebf5c6b19300153777bb2284cef50eb
SHA512 f48cdcb7115e7b1384f60c22be4ab53007d01ed5b095f5f49e4ad00316eaee5159f390809518e8efdcdb5d29330cda32c99d0c042c5f23575dc94179c2f9da53
SSDEEP 98304:eR9rV0DsCoLzUL7z39+LOg7qdk6WspAIJQQ4Ym:eR92DsCovUJAVeCuzJQCm
TLSH
T13A06D0919AA6D297DAF3303EC2265354AAC8299C6E12E5C43EC38605DF5F0F44E773B4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3972	apprtbfab.exe
1172	apprtbfab.exe
2916	svcbfab.exe
2956	svcbfab.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AppRtbfab = "C:\\Users\\Admin\\AppData\\Local\\AppRtbfab\\apprtbfab.exe"	f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AppSvcbfab = "C:\\Users\\Admin\\AppData\\Local\\Programs\\bfab\\svcbfab.exe"	apprtbfab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2796	f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe
2796	f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe
3972	apprtbfab.exe
3972	apprtbfab.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 3972	2796	f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe	104
PID 3972 wrote to memory of 2916	3972	apprtbfab.exe	112

C:\Users\Admin\AppData\Local\Temp\f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe
"C:\Users\Admin\AppData\Local\Temp\f3520254c715b278de7433b4ccda0bc0c2c1e5fdebd54f2a2156dabf2b8c0671.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\AppRtbfab\apprtbfab.exe
  "C:\Users\Admin\AppData\Local\AppRtbfab\apprtbfab.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Users\Admin\AppData\Local\Programs\bfab\svcbfab.exe
    "C:\Users\Admin\AppData\Local\Programs\bfab\svcbfab.exe"
    3⤵
    - Executes dropped EXE
    PID:2916

C:\Users\Admin\AppData\Local\AppRtbfab\apprtbfab.exe
C:\Users\Admin\AppData\Local\AppRtbfab\apprtbfab.exe
1⤵
- Executes dropped EXE
PID:1172

C:\Users\Admin\AppData\Local\Programs\bfab\svcbfab.exe
C:\Users\Admin\AppData\Local\Programs\bfab\svcbfab.exe
1⤵
- Executes dropped EXE
PID:2956

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

Loading Replay Monitor...

Downloads

apprtbfab.exe

Path C:\Users\Admin\AppData\Local\AppRtbfab\apprtbfab.exe
Size 3.8MB
SHA256 570711f5f86c5369258cc51339e4c11832276debabd52ae598eb3837fa5d2ea9
MD5 2b62d23c94b47ea4694611fb05b62abc
SHA1 eb70b8f1784ef9f704e1382bc69cf9814155a216
SHA512 7304d5576776ee9d2d8f71be549998a7b9d49028afd516ecce0281f28c99531e7201197a9527b3fd712bd2c1764041cdc3279db10d0d9f8f05e1f23f364d436d
SSDEEP 98304:KR7rV0DsCoLzUL7z39+LOg7qdk6WspAIJQQ4Y1:KR72DsCovUJAVeCuzJQC1
TLSH
T17406D0919AA6D297DAF3303EC2265354AAC8299C6E12E5C43EC38605DF5F0F44E773B4
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

svcbfab.exe

Path C:\Users\Admin\AppData\Local\Programs\bfab\svcbfab.exe
Size 3.8MB
SHA256 360c3150895bcb5d7e2884c25082d890fb253cda480dd71d5cc95cb2ecea1079
MD5 c3103fd241d564417e702a87ce40c58b
SHA1 0541dcc2724ddc2b1639f00ffa90d954fb329c4a
SHA512 e4a07e48e2f0bb3a9bf6fce77ee8f547a2ce101faa4488a37a4ccff103c2f7094a1d3b11931b6f11a246899127ae51c2d5821f9b03295718f2658a0c74779859
SSDEEP 98304:bR3rV0DsCoLzUL7z39+LOg7qdk6WspAIJQQ4Ys:bR32DsCovUJAVeCuzJQCs
TLSH
T14E06D0919AA6D297DAF3303EC2265354AAC8299C6E12E5C43EC38605DF5F0F44E773B4
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download