0787547e735352b5e5d91e710dddff62d2016968deb7973cc45f22d98a532596

Analysis

max time kernel
155s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\startkey = "C:\\Windows\\system32\\ss1.exe"	c209891557c4086e8cba04e3e7e05220.exe

Drops file in System32 directory 3 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4136	4596	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4596	c209891557c4086e8cba04e3e7e05220.exe
4596	c209891557c4086e8cba04e3e7e05220.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4596	c209891557c4086e8cba04e3e7e05220.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 3240	4596	c209891557c4086e8cba04e3e7e05220.exe	54
PID 4596 wrote to memory of 3240	4596	c209891557c4086e8cba04e3e7e05220.exe	54
PID 4596 wrote to memory of 892	4596	c209891557c4086e8cba04e3e7e05220.exe	94
PID 4596 wrote to memory of 892	4596	c209891557c4086e8cba04e3e7e05220.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3240
- 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:4596
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 424
    3⤵
    - Program crash
    PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4596 -ip 4596
1⤵
PID:1748

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:4548

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/3240-3-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/4596-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4596-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download