hxxp://fpdownload[.]macromedia[.]com/pub/shockwave/cabs/flash/swflash[.]cab

General

Target

http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 3cf9ecb4e3add901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{E099BF4A-33A9-45CD-948E-6C03E01E91DD}"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6FEF42CD-2013-11EE-84C0-F6B35234CE3D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b4885326af1dd94bb4dd17ee5868703000000000020000000000106600000001000020000000e5d9e1872c2f585593828bc5d2911077cda176b63af09c3fde644da8c582a12c000000000e800000000200002000000040fc4a41bfe2cc6d0f8a9fec73bd3bff0a54ea9c6e04a23759d7f0fc1c26d90020000000b741d420666f489250be16e944660eba19aa2657e0b9e124016190c391abce63400000000ade16ca01d2214436e6873f18fe190bc41872bb2773c6f1d69d3c8b49feb6de1e8fd3e8e92f304b78887f3938f7a18ea50a6aa564e0c88a4b78a12e84d9ad19	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\RepId	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DownloadWindowPlacement = 2c0000000000000000000000ffffffffffffffffffffffffffffffff100100003c000000900300001c020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 201da52bb4add901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b4885326af1dd94bb4dd17ee586870300000000002000000000010660000000100002000000080fcea9e1968e21d2086c9e7a34e3c9005e53b0aec72ba27458c301e1b16a5f8000000000e80000000020000200000003f4f727b0b7bf38d4464dffffff11cf97edd754dc2993343df2b444a0383e0f220000000dc8f8efb6f6a46880c71f6fccc92db8df42ec56d5e03cbde917160c3ffcb8299400000001ccc63980f03817635a2954ea12e01d27bdf236e68d7eb0a5e462e2b35374fbd3cf659e3586fdb6f44cafcd35a430c78e9e59ab9b969b7f0e5b861c955fc9fce	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0eabc2bb4add901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1632	iexplore.exe
1632	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1632	iexplore.exe
1632	iexplore.exe
3804	IEXPLORE.EXE
3804	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 3804	1632	iexplore.exe	84
PID 1632 wrote to memory of 3804	1632	iexplore.exe	84
PID 1632 wrote to memory of 3804	1632	iexplore.exe	84

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1632 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3804

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HW3GGUK8\swflash[1].cab

Filesize
225KB

MD5
b3e138191eeca0adcc05cb90bb4c76ff

SHA1
2d83b50b5992540e2150dfcaddd10f7c67633d2c

SHA256
eea074db3f86fed73a36d9e6c734af8080a4d2364e817eecd5cb37cb9ec9dc0b

SHA512
82b4c76201697d7d25f2e4f454aa0dd8d548cdfd3ebfa0dd91845536f74f470e57d66a73750c56409510d787ee2483839f799fef5d5a77972cd4435a157a21a4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NB3GP0NJ\swflash.cab.lnlauk6.partial

Filesize
225KB

MD5
b3e138191eeca0adcc05cb90bb4c76ff

SHA1
2d83b50b5992540e2150dfcaddd10f7c67633d2c

SHA256
eea074db3f86fed73a36d9e6c734af8080a4d2364e817eecd5cb37cb9ec9dc0b

SHA512
82b4c76201697d7d25f2e4f454aa0dd8d548cdfd3ebfa0dd91845536f74f470e57d66a73750c56409510d787ee2483839f799fef5d5a77972cd4435a157a21a4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads