d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9

General

Target

d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Size

230KB
MD5

1aab62043586565c4af33c448b43ff00
SHA1

7e9008f553a157f23214fa6c5e0de55deb41a99b
SHA256

d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9
SHA512

386d2871ad7e988e7958c18abdf27ad6d741a75e2dbf6de2987cca35f6e6f2f8ba1b2a16e7eb6167057a6f7cad2d39dff5333fa1332986ed7fbc0534e1fa7cc3
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3iepFV2DIQqSsFY2s/qqO2D:gMDgG4ChfiPOefgsOUqQwg6

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Syssrc32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\System\fndfst32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\System\Explorer.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\System\mplayerw.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\System\applets.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\Syssrc32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\Help\intret.cnt	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\System\Sysexp32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\System\Explorer.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\Help\intret.cnt	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\System\mplayerw.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File created	C:\Windows\System\applets.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
File opened for modification	C:\Windows\System\fndfst32.exe	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	1516	WerFault.exe	26

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1624	1516	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe	27
PID 1516 wrote to memory of 1624	1516	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe	27
PID 1516 wrote to memory of 1624	1516	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe	27
PID 1516 wrote to memory of 1624	1516	d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe	27

C:\Users\Admin\AppData\Local\Temp\d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe
"C:\Users\Admin\AppData\Local\Temp\d901dd3faafa3625827a49871d16bad955c3c870824e3383dbf1dbc90b9bf2f9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 92
  2⤵
  - Program crash
  PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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