fa925b3e76ed9daa56d7dc81d622202a7aa2649f923f97a986d214bc1ccad048

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2024, 22:39

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General

Target
Cat.Goes.Fishing.v13.11.2019/_Redist/dxwebsetup.exe
Size 281KB
Sample240302-2lcnbsae44
SHA256 111aeddc6a6dbf64b28cb565aa12af9ee3cc0a56ce31e4da0068cf6b474c3288
MD5 fd6057b33e15a553ddc5d9873723ce8f
SHA1 f90efb623b5abea70af63c470daa8674444fb1df
SHA512 d894630c9a4bdb767e9f16d1b701acbdf011e721768ba0dc7a24e6d82a4d062a7ca253b1b334edba38c06187104351203a92c017838bdd9f13905cde30f7d94d
SSDEEP 6144:pWK8EGMUjp5cGQ3Mek1B3B9h8Ins3i8AEYBSawz1YSc:JGvjp5cj35kDB9hrs3zARBSaJSc
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1744	dxwsetup.exe

Loads dropped DLL 2 IoCs

pid	Process
1744	dxwsetup.exe
1744	dxwsetup.exe

Adds Run key to start application 2 TTPs 1 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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	dxwebsetup.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\directx\websetup\SET3D38.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SET3D48.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SET3D48.tmp	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\dsetup32.dll	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\DirectX\WebSetup	dxwsetup.exe
File opened for modification	C:\Windows\SysWOW64\directx\websetup\SET3D38.tmp	dxwsetup.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Logs\DirectX.log	dxwsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 1744	4772	dxwebsetup.exe	90
PID 4772 wrote to memory of 1744	4772	dxwebsetup.exe	90
PID 4772 wrote to memory of 1744	4772	dxwebsetup.exe	90

C:\Users\Admin\AppData\Local\Temp\Cat.Goes.Fishing.v13.11.2019\_Redist\dxwebsetup.exe
"C:\Users\Admin\AppData\Local\Temp\Cat.Goes.Fishing.v13.11.2019\_Redist\dxwebsetup.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  PID:1744

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

dsetup.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup.dll
Size 87KB
SHA256 8f2c455c9271290dcde2f68589cf825f9134beecb7e8b7e2ecbcabeab792280a
MD5 0a23038ea472ffc938366ef4099d6635
SHA1 6499d741776dc4a446c22ea11085842155b34176
SHA512 dcc1c2ea86fd3a7870cd0369fa42f63d493895c546dcdd492ee19079a0d0696d689bbfe7b686d4fa549841896a54e673fc4581b80783d7aa255dfad765b9dc88
SSDEEP 1536:gtBqvGpPmOEll4RWxiF9G3ZnVdqkFKJuTJbHo0Xm+jN3i97ZTj4FWMD+ZJqsHPCL:gtAvG5mOEll4Roi2pVVFKJuTVtXVpS9y
MD5 SHA1 SHA512 SSDEEP

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dsetup32.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup32.dll
Size 1.7MB
SHA256 d7ea3cf1b9b639010005e503877026597a743d1068ae6a453ce77cc202796fea
MD5 7672509436485121135c2a0e30b9e9ff
SHA1 f557022a9f42fe1303078093e389f21fb693c959
SHA512 e46ff68c4a532017f8ab15b1e46565508f6285b72c7a1cbe964ed5e75320c8e14587d01fee61b3966f43636bfe74cebd21f7665b4a726281e771cf9230e69863
SSDEEP 49152:RjnIXtNeOOOOOOOOOOOOOOOOOiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWI:5IjmY
MD5 SHA1 SHA512 SSDEEP

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dxwsetup.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
Size 487KB
SHA256 d298fd82a39b2385a742ba1992466e081bea0f49e19ece6b2c87c7c262e1fcee
MD5 eaa6b5ee297982a6a396354814006761
SHA1 780bf9a61c080a335e8712c5544fcbf9c7bdcd72
SHA512 ebdc887b6b334b7560f85ab2ebd29dc1f3a2dedac7f70042594f2a9bc128b6fca0a0e7704318ed69b7acf097e962533b3ce07713ef80e8acfe09374c13302999
SSDEEP 3072:yiqLKTd9mKfwm7rfrK7iPG6rG3C7hO4YTYHVzoPD+sUn7RG+hPXzNbgC1Adm2exP:6kvS4c3C7iMw70
MD5 SHA1 SHA512 SSDEEP

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dxwsetup.inf

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf
Size 477B
SHA256 d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00
MD5 ad8982eaa02c7ad4d7cdcbc248caa941
SHA1 4ccd8e038d73a5361d754c7598ed238fc040d16b
SHA512 5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads