Overview
overview
8Static
static
3CrackCaptchaAPI.dll
windows7-x64
3CrackCaptchaAPI.dll
windows10-2004-x64
3CrackCaptc...nt.dll
windows7-x64
6CrackCaptc...nt.dll
windows10-2004-x64
6FastVerCode.dll
windows7-x64
8FastVerCode.dll
windows10-2004-x64
3UUWisehelper.dll
windows7-x64
3UUWisehelper.dll
windows10-2004-x64
3dc.dll
windows7-x64
8dc.dll
windows10-2004-x64
8haoapi.dll
windows7-x64
3haoapi.dll
windows10-2004-x64
3windows200...��.bat
windows7-x64
1windows200...��.bat
windows10-2004-x64
1注册答�...��.bat
windows7-x64
1注册答�...��.bat
windows10-2004-x64
1腾讯QQ�...��.exe
windows7-x64
5腾讯QQ�...��.exe
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31/10/2024, 15:29
Static task
static1
Behavioral task
behavioral1
Sample
CrackCaptchaAPI.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
CrackCaptchaAPI.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
CrackCaptchaClient.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
CrackCaptchaClient.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
FastVerCode.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
FastVerCode.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
UUWisehelper.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
UUWisehelper.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
dc.dll
Resource
win7-20241010-en
Behavioral task
behavioral10
Sample
dc.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
haoapi.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
haoapi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
windows2008 补丁.bat
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
windows2008 补丁.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
注册答题系统.bat
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
注册答题系统.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
腾讯QQ资料查询管理.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
腾讯QQ资料查询管理.exe
Resource
win10v2004-20241007-en
General
-
Target
CrackCaptchaAPI.dll
-
Size
61KB
-
MD5
4c2276d3982fa6b5d642c5945cca6d4b
-
SHA1
8ed74a6612624735a5fa1b7e61aa4ab06404e9f7
-
SHA256
05832f05671e6ec9c01dfd3116b47683e495c3a23136f2572dcc423d19092126
-
SHA512
1a202701cdea4c57c39232deb6e6dd1f744a854da057895bbfd5aac36a74ea3e09d76c2919525afa98b4c6a7283909ba26b123c8ecdf29371fdbf456b75b1ef3
-
SSDEEP
768:NYHrZAfSv1R9FTeU4r0J/+aJl2PQIrXx0hJg5289kVum1ED3n0ENofJ6zvSnfCd3:NKFsSTLeA3l2PRXOG53kY0NtnKd3
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30 PID 2560 wrote to memory of 1576 2560 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CrackCaptchaAPI.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CrackCaptchaAPI.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1576
-