qqpass | cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48

Resubmissions

28/03/2025, 07:23

250328-h8bj1as1fv 10

28/03/2025, 07:16

250328-h33fjaszg1 10

Analysis

max time kernel
120s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250314-en
resource tags

arch:x64arch:x86image:win11-20250314-enlocale:en-usos:windows11-21h2-x64system
submitted
28/03/2025, 07:23

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General

Target

cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Size

75KB
MD5

35aa48c51f67634ab9a05028ddacd91a
SHA1

41eda72d9456025eb0f881daac43f4b920fda1bd
SHA256

cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48
SHA512

5e3433d76ae896da6a91b66a49d15026620261eaab93acf498a0ea913eb5461bf44d7afae81dcebc878e04810da86fd3dea90d82eebbebfa75d3df7e1f1d3d4a
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOWWJ:GhfxHNIreQm+HidWJ

Score

10^/10

qqpass discovery persistence trojan

Malware Config

Extracted

Family

qqpass

http://www.zigui.org/article.php?id=103822

Attributes

url
http://www.mxm9191.com/myrunner_up.exe
user_agent
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

Signatures

QQpass
QQpass is a trojan written in C++..
trojan qqpass
Qqpass family
qqpass

Executes dropped EXE 1 IoCs

pid	Process
1740	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
File created	C:\Windows\SysWOW64\¢«.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
File created	C:\Windows\system\rundll32.exe	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Modifies registry class 19 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1743146680"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1743146680"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1740	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1740	rundll32.exe
1740	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5320 wrote to memory of 1740	5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	78
PID 5320 wrote to memory of 1740	5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	78
PID 5320 wrote to memory of 1740	5320	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	78

C:\Users\Admin\AppData\Local\Temp\cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
C:\Users\Admin\AppData\Local\Temp\cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe bcdedit /c set shutdown /r readonly /f force /t 2
1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5320
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
77KB

MD5
1666404d412b4fcd0248cf98e1379a28

SHA1
caf19508488e55b10f4f586179dcd3a0dc11defc

SHA256
c9817b64ceab6df5dba5e3c4f90db5951fb82a5b5286d242b9217e2ed333bcfb

SHA512
7e4b4894b956f4cb5f9b2164eb0b21dc6a26048ea7f06f9e2cb3ee09ee94b996935e9826e3492623cd81264c9cd94de7707813ff66efc2007a212f6f1a44f0e9

Download Submit
C:\Windows\System\rundll32.exe

Filesize
80KB

MD5
72b351c133ba4acd8519aac6c30fa509

SHA1
c7ae1241132f15648dbbc1f21bd52859bb665096

SHA256
0f7daecebe147b871c9c42e3c096c09fbb477c42fa84d4d190457288b03d4dec

SHA512
35eba39d7e31a94a49b0e2dc0909b6416c3d69b323350590312963735613bdd925b7f939e35af62100bc9aaa561635c2f6f5d07961aa1592a952a390bf77ce78

Download Submit
memory/1740-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/5320-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/5320-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download