Overview
overview
10Static
static
3bb6fd94d08...be.exe
windows10-2004-x64
10$PROGRAMFI...RF.exe
windows10-2004-x64
1$PROGRAMFI...AD.dll
windows10-2004-x64
6$PROGRAMFI...gn.exe
windows10-2004-x64
6$PROGRAMFI...SR.exe
windows10-2004-x64
3$PROGRAMFI...ih.dll
windows10-2004-x64
1$PROGRAMFI...vr.exe
windows10-2004-x64
1$PROGRAMFI...un.exe
windows10-2004-x64
6$PROGRAMFI...90.dll
windows10-2004-x64
3$PROGRAMFI...OR.dll
windows10-2004-x64
1$PROGRAMFI...RF.exe
windows10-2004-x64
7$PROGRAMFI...Cr.dll
windows10-2004-x64
1$PROGRAMFI...AD.dll
windows10-2004-x64
6$PROGRAMFI...AU.exe
windows10-2004-x64
6$PROGRAMFI...64.dll
windows10-2004-x64
1$PROGRAMFI...MH.dll
windows10-2004-x64
1$PROGRAMFI...nu.dll
windows10-2004-x64
7$PROGRAMFI...OL.dll
windows10-2004-x64
4$PROGRAMFI...ch.exe
windows10-2004-x64
1$PROGRAMFI...RA.exe
windows10-2004-x64
1$PROGRAMFI...gn.exe
windows10-2004-x64
6$PROGRAMFI...64.dll
windows10-2004-x64
1$PROGRAMFI...90.dll
windows10-2004-x64
1$PROGRAMFI...90.dll
windows10-2004-x64
1$PROGRAMFI...90.dll
windows10-2004-x64
1$PROGRAMFI...90.dll
windows10-2004-x64
1$PROGRAMFI...90.dll
windows10-2004-x64
1$PROGRAMFI...SR.exe
windows10-2004-x64
3$PROGRAMFI...ih.dll
windows10-2004-x64
1$PROGRAMFI...vr.exe
windows10-2004-x64
1$PROGRAMFI...un.exe
windows10-2004-x64
6$PROGRAMFI...90.dll
windows10-2004-x64
1Analysis
- max time kernel
92s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
06/06/2024, 19:55
Static task
static1
Behavioral task
behavioral1
Sample
bb6fd94d088d1205ae5fe6f1b45c3a366490a1286741c0eb71f517997182f2be.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
$PROGRAMFILES/RF_L/skin/$PROGRAMFILES64/RF_L/RF.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PROGRAMFILES/RF_L/skin/$PROGRAMFILES64/RF_L/TC_AD.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
$PROGRAMFILES/RF_L/skin/$PROGRAMFILES64/RF_L/tc_sign.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PROGRAMFILES/RF_L/tc_8SR.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral6
Sample
$PROGRAMFILES/RF_L/tc_Prih.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
$PROGRAMFILES/RF_L/tc_svr.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral8
Sample
$PROGRAMFILES/RF_L/tc_un.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
$PROGRAMFILES/RF_L/vcomp90.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral10
Sample
$PROGRAMFILES64/RF_L/MFC90KOR.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PROGRAMFILES64/RF_L/RF.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral12
Sample
$PROGRAMFILES64/RF_L/TCCr.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PROGRAMFILES64/RF_L/TC_AD.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral14
Sample
$PROGRAMFILES64/RF_L/TC_AU.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$PROGRAMFILES64/RF_L/TC_EZH64.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral16
Sample
$PROGRAMFILES64/RF_L/TC_MH.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
$PROGRAMFILES64/RF_L/TC_Menu.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral18
Sample
$PROGRAMFILES64/RF_L/TC_OL.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
$PROGRAMFILES64/RF_L/TC_Patch.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral20
Sample
$PROGRAMFILES64/RF_L/TC_RA.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
$PROGRAMFILES64/RF_L/TC_Sign.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral22
Sample
$PROGRAMFILES64/RF_L/TCxEZH64.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
$PROGRAMFILES64/RF_L/mfc90.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral24
Sample
$PROGRAMFILES64/RF_L/mfcm90.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
$PROGRAMFILES64/RF_L/msvcm90.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral26
Sample
$PROGRAMFILES64/RF_L/msvcp90.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral27
Sample
$PROGRAMFILES64/RF_L/msvcr90.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral28
Sample
$PROGRAMFILES64/RF_L/tc_8SR.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral29
Sample
$PROGRAMFILES64/RF_L/tc_Prih.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral30
Sample
$PROGRAMFILES64/RF_L/tc_svr.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
$PROGRAMFILES64/RF_L/tc_un.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral32
Sample
$PROGRAMFILES64/RF_L/vcomp90.dll
Resource
win10v2004-20240426-en
General
- Target $PROGRAMFILES/RF_L/tc_Prih.dll
- Size 107KB
- Sample240606-ym9snscc32
- SHA256 0d94db6573325be0189e4fca361d7010b062232518359ed73c2c51c057723cd6
- MD5 cf3700abd3bd07e6ba075ae723d99d52
- SHA1 ca4b847739e5d0eef0e95e9e3439d42fb7184644
- SHA512 ad65de3c93f5e003d991778937dd29e7007efa61cf605e0bbd34b0d0bd1f192d446da58ed6e9ca877434acb94f4df23b4e238ee9db0181585e03925d37a95b5d
- SSDEEP 1536:/lWZTEEcP623D6dVzfTHNn2G68n4zdHP33n2+seJJW5LlYs+nLbx3h/U:/lAEDOJbuRJNJJW5M/XU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3496 wrote to memory of 3764 3496 rundll32.exe 82 PID 3496 wrote to memory of 3764 3496 rundll32.exe 82 PID 3496 wrote to memory of 3764 3496 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\RF_L\tc_Prih.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\RF_L\tc_Prih.dll,#12⤵PID:3764
-