4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac

General

Target

4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe
Size

405KB
MD5

084bcdd74cb92ded9d77465cf3045236
SHA1

b36700160924ee92cdd6972564f8b6b759ec1ed1
SHA256

4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac
SHA512

843d87147c283b2540fd8cbc67c14adcbc42de31cfa6fe231a765224c5b7ae697ef448e547c2aaa34fd7a6c11475fb5a82c8bc7cfbeab82a2e0972a723659a6f
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4Z:gtRfJcNYFNm8UhlZGseZ

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2796	rundll32.exe
5	2796	rundll32.exe
8	2796	rundll32.exe
9	2796	rundll32.exe
10	2796	rundll32.exe
13	2796	rundll32.exe
14	2796	rundll32.exe
15	2796	rundll32.exe
17	2796	rundll32.exe
18	2796	rundll32.exe

Deletes itself 1 IoCs

Processes:

cditc.exe

pid process

2928 cditc.exe
Executes dropped EXE 1 IoCs

Processes:

cditc.exe

pid process

2928 cditc.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

2964 cmd.exe
2964 cmd.exe
2796 rundll32.exe
2796 rundll32.exe
2796 rundll32.exe
2796 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
2928	cditc.exe

pid	process
2928	cditc.exe

pid	process
2964	cmd.exe
2964	cmd.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\hwanz\\ksgyd.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)	\??\g:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\v:	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

2796 rundll32.exe
Drops file in Program Files directory 2 IoCs

Processes:

cditc.exe

description ioc process

File opened for modification \??\c:\Program Files\hwanz cditc.exe
File created \??\c:\Program Files\hwanz\ksgyd.dll cditc.exe

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

description	ioc	process
File opened for modification	\??\c:\Program Files\hwanz	cditc.exe
File created	\??\c:\Program Files\hwanz\ksgyd.dll	cditc.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

3040 PING.EXE

pid	process
3040	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2796 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.execditc.exe

pid process

2924 4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe
2928 cditc.exe

description	pid	process
Token: SeDebugPrivilege	2796	rundll32.exe

pid	process
2924	4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe
2928	cditc.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.execmd.execditc.exe

description	pid	process	target process
PID 2924 wrote to memory of 2964	2924	4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe	cmd.exe
PID 2924 wrote to memory of 2964	2924	4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe	cmd.exe
PID 2924 wrote to memory of 2964	2924	4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe	cmd.exe
PID 2924 wrote to memory of 2964	2924	4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe	cmd.exe
PID 2964 wrote to memory of 3040	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 3040	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 3040	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 3040	2964	cmd.exe	PING.EXE
PID 2964 wrote to memory of 2928	2964	cmd.exe	cditc.exe
PID 2964 wrote to memory of 2928	2964	cmd.exe	cditc.exe
PID 2964 wrote to memory of 2928	2964	cmd.exe	cditc.exe
PID 2964 wrote to memory of 2928	2964	cmd.exe	cditc.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe
PID 2928 wrote to memory of 2796	2928	cditc.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe
"C:\Users\Admin\AppData\Local\Temp\4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\cditc.exe "C:\Users\Admin\AppData\Local\Temp\4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:3040

C:\Users\Admin\AppData\Local\Temp\cditc.exe
C:\Users\Admin\AppData\Local\Temp\\cditc.exe "C:\Users\Admin\AppData\Local\Temp\4d0a8323e0e815b915357bd54cffdc9825f295005442e7d374319d4bb37195ac.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\hwanz\ksgyd.dll",Verify C:\Users\Admin\AppData\Local\Temp\cditc.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:2796

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\hwanz\ksgyd.dll
Filesize
228KB

MD5
c211e93476a5630b23116b68da58c047

SHA1
5480cede5d6a9776613d5f50ff235eed420d19dc

SHA256
01d4be9baf9e1ad7a46fbcb62c141139cf69723f92118171e1bccfec69962350

SHA512
754afa6296cc81d129b0621e4abb99d9874d29393122f9574ff783b596b21a62c365a51f0d5f63d4cce694ed57e009dc866a6ff11851503006d82032441a9d56

Download Submit
\Users\Admin\AppData\Local\Temp\cditc.exe
Filesize
405KB

MD5
c87c12dfe4f52af9e256541cfbe330cb

SHA1
4de3ba0e67984ac056b28c3bc8f407f59d4392b6

SHA256
7327c4735f17989155376a616ca9eba88adb5ff9b1f4d8a1a948ba5683bf9e1c

SHA512
2553bc6650b06a742a54483ae214af28de177db4441c074b837b65a0122b6b23bc0e97c75782da2a3fa3040a7424ff57847e0d3215db4db8b57108e9639b696a

Download Submit
memory/2796-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2796-16-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2796-19-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2796-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2796-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2796-22-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2924-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2924-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2928-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2964-8-0x0000000000160000-0x00000000001C4000-memory.dmp

Filesize
400KB

Download
memory/2964-7-0x0000000000160000-0x00000000001C4000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads