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
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2252	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.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 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
File opened for modification	C:\Windows\SysWOW64\¢«.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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1743146678"	rundll32.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %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\txtfile\shell\open\command\ = "notepad.exe %1"	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1743146678"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2252	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe
2252	rundll32.exe
2252	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28
PID 1996 wrote to memory of 2252	1996	cd2b256127192a645cb0ee2f575bc480261bee0f5777b07fdf8fa23c6896cf48.exe	28

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⤵
- Loads dropped DLL
- 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:1996
- 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:2252

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
82KB

MD5
cbe99cac92cca509db334ad1d56db908

SHA1
8144911cce1767bf531df8bb4b2357449cadddf6

SHA256
dbea519b748fecde0b1a812322f16e0d40e8b4d5b250a4593bd0665496911978

SHA512
938df44ffe31fb1cd1d09814cf019c490c96840d5fcbd9139c2778d7083f752a2cc0201d85cff7ebbb939c8a1156750edf67010289b0ccbe5538520be9697f38

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
b14042145636ab5bb86095be8c7a2576

SHA1
ef87ea6503f8535214037ece35c58925b59f2817

SHA256
5a9784159c245a3f3fa1fc13cdc62c53d216461bf7a66e0a77c86ac50034e3f2

SHA512
6f4d5e53c000854733441f34426b1c7408fd85dd9d52964b7d4a88fa00c664298c486c2ca2338f48c855998c58b3547423795a4024fb7ad25f6e613e705ed8c0

Download Submit
memory/1996-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1996-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1996-17-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1996-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1996-22-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2252-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2252-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download