aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1

General

Target

nady6.dll
Size

1.3MB
MD5

1f45bcf1fb8b7ef74a57d19a371f41cf
SHA1

9b7f346a04f8481c22fb6f8853f76349402a7009
SHA256

aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1
SHA512

6cdbc392b650420d9238d7400956fa41ec9ede827576b9023b977e232dd18b3dd72f36082fc6cdb5af7f62868b0bd00e9b718522799467c674efb6202a169f9f

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3756 regsvr32.exe

pid	process
3756	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\RealtechUpdate = "\"C:\\Windows\\system32\\regsvr32.exe\" /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Damp\\dmudgtodyraq.exe\" mscp arih"	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

3880 reg.exe
Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

2228 PING.EXE
3236 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

2772 regsvr32.exe
2772 regsvr32.exe

pid	process
3880	reg.exe

pid	process
2228	PING.EXE
3236	PING.EXE

pid	process
2772	regsvr32.exe
2772	regsvr32.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

regsvr32.execmd.exeregsvr32.execmd.execmd.exe

description	pid	process	target process
PID 992 wrote to memory of 2952	992	regsvr32.exe	cmd.exe
PID 992 wrote to memory of 2952	992	regsvr32.exe	cmd.exe
PID 2952 wrote to memory of 2228	2952	cmd.exe	PING.EXE
PID 2952 wrote to memory of 2228	2952	cmd.exe	PING.EXE
PID 2952 wrote to memory of 2772	2952	cmd.exe	regsvr32.exe
PID 2952 wrote to memory of 2772	2952	cmd.exe	regsvr32.exe
PID 2772 wrote to memory of 2108	2772	regsvr32.exe	cmd.exe
PID 2772 wrote to memory of 2108	2772	regsvr32.exe	cmd.exe
PID 2772 wrote to memory of 1816	2772	regsvr32.exe	cmd.exe
PID 2772 wrote to memory of 1816	2772	regsvr32.exe	cmd.exe
PID 2772 wrote to memory of 2764	2772	regsvr32.exe	cmd.exe
PID 2772 wrote to memory of 2764	2772	regsvr32.exe	cmd.exe
PID 2764 wrote to memory of 3236	2764	cmd.exe	PING.EXE
PID 2764 wrote to memory of 3236	2764	cmd.exe	PING.EXE
PID 1816 wrote to memory of 3880	1816	cmd.exe	reg.exe
PID 1816 wrote to memory of 3880	1816	cmd.exe	reg.exe
PID 2764 wrote to memory of 3756	2764	cmd.exe	regsvr32.exe
PID 2764 wrote to memory of 3756	2764	cmd.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\nady6.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\nady6.dll" mscp ahis & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
3⤵
- Runs ping.exe
PID:2228

C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\nady6.dll" mscp ahis
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\system32\cmd.exe
cmd.exe /c echo %temp%
4⤵
PID:2108

C:\Windows\system32\cmd.exe
cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe" mscp arih & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
5⤵
- Runs ping.exe
PID:3236

C:\Windows\system32\regsvr32.exe
"C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe" mscp arih
5⤵
- Loads dropped DLL
PID:3756

C:\Windows\system32\cmd.exe
cmd.exe /c reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe\" mscp arih"
4⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\system32\reg.exe
reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe\" mscp arih"
5⤵
- Adds Run key to start application
- Modifies registry key
PID:3880

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe
MD5
1f45bcf1fb8b7ef74a57d19a371f41cf

SHA1
9b7f346a04f8481c22fb6f8853f76349402a7009

SHA256
aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1

SHA512
6cdbc392b650420d9238d7400956fa41ec9ede827576b9023b977e232dd18b3dd72f36082fc6cdb5af7f62868b0bd00e9b718522799467c674efb6202a169f9f

Download Submit
\Users\Admin\AppData\Local\Temp\Damp\dmudgtodyraq.exe
MD5
1f45bcf1fb8b7ef74a57d19a371f41cf

SHA1
9b7f346a04f8481c22fb6f8853f76349402a7009

SHA256
aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1

SHA512
6cdbc392b650420d9238d7400956fa41ec9ede827576b9023b977e232dd18b3dd72f36082fc6cdb5af7f62868b0bd00e9b718522799467c674efb6202a169f9f

Download Submit
memory/992-118-0x0000000028320000-0x0000000028384000-memory.dmp

Filesize
400KB

Download
memory/1816-128-0x0000000000000000-mapping.dmp

Download
memory/2108-127-0x0000000000000000-mapping.dmp

Download
memory/2228-120-0x0000000000000000-mapping.dmp

Download
memory/2764-129-0x0000000000000000-mapping.dmp

Download
memory/2772-123-0x00000000010D0000-0x00000000010D2000-memory.dmp

Filesize
8KB

Download
memory/2772-126-0x00000000282A0000-0x0000000028304000-memory.dmp

Filesize
400KB

Download
memory/2772-124-0x00000000010D0000-0x00000000010D2000-memory.dmp

Filesize
8KB

Download
memory/2772-125-0x00000000010D0000-0x00000000010D2000-memory.dmp

Filesize
8KB

Download
memory/2772-121-0x0000000000000000-mapping.dmp

Download
memory/2952-119-0x0000000000000000-mapping.dmp

Download
memory/3236-130-0x0000000000000000-mapping.dmp

Download
memory/3756-132-0x0000000000000000-mapping.dmp

Download
memory/3756-139-0x0000000027950000-0x00000000279B4000-memory.dmp

Filesize
400KB

Download
memory/3880-131-0x0000000000000000-mapping.dmp

Download

Analysis

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