c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf

General

Target

c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Size

221KB
MD5

a29f44a81e41754dea0b276e38976bbe
SHA1

d674af80062e49a93621319cb2cf9de60b5062ab
SHA256

c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf
SHA512

39417e8fed5041ff328812e18f00a315078b7ad2de7fb44cb0055ac66792b427cc4245edb57a394e287d79cdf1608dfc13e8d5ca7557f24da69420737d62b64e
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3ini2L2o27+IpFhPV:gMDgG4ChfiPOefgsOUqQwg

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	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File created	C:\Windows\Syssrc32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\System\fndfst32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\System\applets.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\System\mplayerw.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\System\applets.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\Help\intret.cnt	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\System\Sysexp32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\System\fndfst32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\System\mplayerw.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\Syssrc32.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\System\Explorer.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File created	C:\Windows\System\Explorer.exe	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
File opened for modification	C:\Windows\Help\intret.cnt	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
268	1492	WerFault.exe	2

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 268	1492	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe	28
PID 1492 wrote to memory of 268	1492	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe	28
PID 1492 wrote to memory of 268	1492	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe	28
PID 1492 wrote to memory of 268	1492	c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe	28

C:\Users\Admin\AppData\Local\Temp\c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe
"C:\Users\Admin\AppData\Local\Temp\c5e35684b1fbb0a4705044ae1d624763b6c91d5798bbb72ac6b70a20fbb800bf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 92
  2⤵
  - Program crash
  PID:268

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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