c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2

General

Target

c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe
Size

404KB
MD5

2338811cf1700d06e15ca1ebb236a4f1
SHA1

8f3bc2bccb819514b879d2af481aa29fba3f8992
SHA256

c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2
SHA512

ca7409b3c0b9ead8417042776813a6120cd62d0d9bad1ea7930c1db061dff9502cf7f750b6aa90aa585784a973288c9931cca8bbb3f3c36be69580ef361a4561
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2652	rundll32.exe
7	2652	rundll32.exe
8	2652	rundll32.exe
9	2652	rundll32.exe
10	2652	rundll32.exe
13	2652	rundll32.exe
14	2652	rundll32.exe
15	2652	rundll32.exe
17	2652	rundll32.exe
18	2652	rundll32.exe

Deletes itself 1 IoCs

Processes:

orrmbdudz.exe

pid process

2528 orrmbdudz.exe
Executes dropped EXE 1 IoCs

Processes:

orrmbdudz.exe

pid process

2528 orrmbdudz.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

864 cmd.exe
864 cmd.exe
2652 rundll32.exe
2652 rundll32.exe
2652 rundll32.exe
2652 rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2528	orrmbdudz.exe

pid	process
2528	orrmbdudz.exe

pid	process
864	cmd.exe
864	cmd.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\qgwyc\\qknah.dll\",Verify"	rundll32.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2652 rundll32.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

Drops file in Program Files directory 2 IoCs

Processes:

orrmbdudz.exe

description	ioc	process
File created	\??\c:\Program Files\qgwyc\qknah.dll	orrmbdudz.exe
File opened for modification	\??\c:\Program Files\qgwyc	orrmbdudz.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2704 PING.EXE

pid	process
2704	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe
2652	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2652 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exeorrmbdudz.exe

pid process

1636 c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe
2528 orrmbdudz.exe

description	pid	process
Token: SeDebugPrivilege	2652	rundll32.exe

pid	process
1636	c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe
2528	orrmbdudz.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.execmd.exeorrmbdudz.exe

description	pid	process	target process
PID 1636 wrote to memory of 864	1636	c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe	cmd.exe
PID 1636 wrote to memory of 864	1636	c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe	cmd.exe
PID 1636 wrote to memory of 864	1636	c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe	cmd.exe
PID 1636 wrote to memory of 864	1636	c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe	cmd.exe
PID 864 wrote to memory of 2704	864	cmd.exe	PING.EXE
PID 864 wrote to memory of 2704	864	cmd.exe	PING.EXE
PID 864 wrote to memory of 2704	864	cmd.exe	PING.EXE
PID 864 wrote to memory of 2704	864	cmd.exe	PING.EXE
PID 864 wrote to memory of 2528	864	cmd.exe	orrmbdudz.exe
PID 864 wrote to memory of 2528	864	cmd.exe	orrmbdudz.exe
PID 864 wrote to memory of 2528	864	cmd.exe	orrmbdudz.exe
PID 864 wrote to memory of 2528	864	cmd.exe	orrmbdudz.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe
PID 2528 wrote to memory of 2652	2528	orrmbdudz.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe
"C:\Users\Admin\AppData\Local\Temp\c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\orrmbdudz.exe "C:\Users\Admin\AppData\Local\Temp\c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2704

C:\Users\Admin\AppData\Local\Temp\orrmbdudz.exe
C:\Users\Admin\AppData\Local\Temp\\orrmbdudz.exe "C:\Users\Admin\AppData\Local\Temp\c091f85c1547deada7ce892c8ae9b077219606678841e8d4ea6d67e8930d1dd2.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\qgwyc\qknah.dll",Verify C:\Users\Admin\AppData\Local\Temp\orrmbdudz.exe
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\??\c:\Program Files\qgwyc\qknah.dll
Filesize
228KB

MD5
882aeefd5c8bb7a3cc13726fd85fa12b

SHA1
caebe8e8a87dee59ec16d9471f37f9810b11807e

SHA256
129ee73ac44380983e78acf23602aa84022ddfa43393929b8e17496145596677

SHA512
fe139c94d9939343c9d45abf05509e27f5d170e512fc449baea45783df1a4b928621dc1ce0663b210e3144a9fc2e15183cceb567422e909989c8daa9c1dce5e6

Download Submit
\Users\Admin\AppData\Local\Temp\orrmbdudz.exe
Filesize
404KB

MD5
f33dc2a84f970011420a81f8db84aba6

SHA1
557da092159f419cfb91dc689d78aba882867ebb

SHA256
202033f5aee0c49dc71b3481ad0c28cf2f38fdc6edd2e6c1a42ce518cd9c607d

SHA512
c3c89ae421121e2be318b922496acc129cf6f3f8016739ce77cc50704119f4b01c66529cb80943f4662aba8e42e5b1bd1b2b6ec56b0832949cfc5eb1b82bfcd9

Download Submit
memory/1636-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1636-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2528-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2528-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2652-15-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2652-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2652-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2652-16-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2652-19-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2652-21-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads