0787547e735352b5e5d91e710dddff62d2016968deb7973cc45f22d98a532596

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 00:50

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General

Target

c209891557c4086e8cba04e3e7e05220.exe
Size

88KB
MD5

c209891557c4086e8cba04e3e7e05220
SHA1

c7d5a81729a227227fd7a3f0d79f246024cb722d
SHA256

0787547e735352b5e5d91e710dddff62d2016968deb7973cc45f22d98a532596
SHA512

233e3ce2a6125abbdaabea45fed73f5a0f577763cdb61a835112aeba96aef06e4fc7fdc997ce7f041a3da8e328e3312241e217a7234a65193966d31080c0ae89
SSDEEP

1536:DE2M43TyjvrXu29bw/X0I0yULmm9Mt7hwk7ffgz4YmNlZy74Mb3gaSOX8:DtEeL0BLmQMteJEXty/b3vSOM

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\startkey = "C:\\Windows\\system32\\ss1.exe"	c209891557c4086e8cba04e3e7e05220.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\startkey = "C:\\Windows\\system32\\ss1.exe"	c209891557c4086e8cba04e3e7e05220.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ss1.exe	c209891557c4086e8cba04e3e7e05220.exe
File created	C:\Windows\SysWOW64\ss1.exe	c209891557c4086e8cba04e3e7e05220.exe
File created	C:\Windows\SysWOW64\plugin1.dat	c209891557c4086e8cba04e3e7e05220.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2320	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2320	c209891557c4086e8cba04e3e7e05220.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2320	c209891557c4086e8cba04e3e7e05220.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1216	2320	c209891557c4086e8cba04e3e7e05220.exe	21
PID 2320 wrote to memory of 1216	2320	c209891557c4086e8cba04e3e7e05220.exe	21
PID 2320 wrote to memory of 2632	2320	c209891557c4086e8cba04e3e7e05220.exe	28
PID 2320 wrote to memory of 2632	2320	c209891557c4086e8cba04e3e7e05220.exe	28
PID 2320 wrote to memory of 2632	2320	c209891557c4086e8cba04e3e7e05220.exe	28
PID 2320 wrote to memory of 2632	2320	c209891557c4086e8cba04e3e7e05220.exe	28
PID 2320 wrote to memory of 2860	2320	c209891557c4086e8cba04e3e7e05220.exe	29
PID 2320 wrote to memory of 2860	2320	c209891557c4086e8cba04e3e7e05220.exe	29
PID 2320 wrote to memory of 2860	2320	c209891557c4086e8cba04e3e7e05220.exe	29
PID 2320 wrote to memory of 2860	2320	c209891557c4086e8cba04e3e7e05220.exe	29

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\c209891557c4086e8cba04e3e7e05220.exe
  "C:\Users\Admin\AppData\Local\Temp\c209891557c4086e8cba04e3e7e05220.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 144
    3⤵
    - Program crash
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1216-3-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/2320-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2320-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download