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
112s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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
5072	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	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
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

Drops file in System32 directory 4 IoCs

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

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

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\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 (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1743146679"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1743146679"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5072	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
5072	rundll32.exe
5072	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 5072	1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	90
PID 1664 wrote to memory of 5072	1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	90
PID 1664 wrote to memory of 5072	1664	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	90

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:1664
- 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:5072

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
81KB

MD5
f8c954edf7f06a969f2aa18e9a580d25

SHA1
175ee94cdc2dbaf5f886cf7ceccf27113b91112d

SHA256
52bfe00d7f2336664f489c3882a2c03d6335ae206e7284759abbbfcddccec429

SHA512
cfc45223f982cf680d1e154406baa495ba207a62df5819fc78d24771b46465116a9bb503fe4c7f5c8f1ec1033d9efacf920f99c76e2671a903447d36d50c6a74

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

Filesize
82KB

MD5
566bbecf6e10fdd5c1a0dcc19942074e

SHA1
660160004b7b1fc5825c777d09566ba1b7ca5bda

SHA256
d60628dac25de5b4f464f8c7b11c6730c74fd8d4fd5c884ac508cfba3fc48e2b

SHA512
8be67820d122fd191d9148c6303dccf505277b601e6122fbe403594dbc2fe17619875d6829adcd8e18fcc7a108f48f4d1abeeaf7043cd4c8e54e9dfbc98b29d6

Download Submit
memory/1664-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1664-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/5072-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download