33d0e5e173f8b94023257786775091c96b949eb106e41f728d7077e54bc7aed9

Analysis

max time kernel
121s
max time network
135s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 17:58

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General

Target

_Redist/dxwebsetup.exe
Size

281KB
MD5

fd6057b33e15a553ddc5d9873723ce8f
SHA1

f90efb623b5abea70af63c470daa8674444fb1df
SHA256

111aeddc6a6dbf64b28cb565aa12af9ee3cc0a56ce31e4da0068cf6b474c3288
SHA512

d894630c9a4bdb767e9f16d1b701acbdf011e721768ba0dc7a24e6d82a4d062a7ca253b1b334edba38c06187104351203a92c017838bdd9f13905cde30f7d94d
SSDEEP

6144:pWK8EGMUjp5cGQ3Mek1B3B9h8Ins3i8AEYBSawz1YSc:JGvjp5cj35kDB9hrs3zARBSaJSc

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2976	dxwsetup.exe

Loads dropped DLL 5 IoCs

pid	Process
2684	dxwebsetup.exe
2976	dxwsetup.exe
2976	dxwsetup.exe
2976	dxwsetup.exe
2976	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 opened for modification	C:\Windows\SysWOW64\directx\websetup\SET67B8.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SET67B8.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\SET67B9.tmp	dxwsetup.exe
File created	C:\Windows\SysWOW64\directx\websetup\SET67B9.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

Drops file in Windows directory 2 IoCs

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2976	dxwsetup.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe
Token: SeRestorePrivilege	2976	dxwsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28
PID 2684 wrote to memory of 2976	2684	dxwebsetup.exe	28

C:\Users\Admin\AppData\Local\Temp\_Redist\dxwebsetup.exe
"C:\Users\Admin\AppData\Local\Temp\_Redist\dxwebsetup.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2684
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2976

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup.dll

Filesize
87KB

MD5
0a23038ea472ffc938366ef4099d6635

SHA1
6499d741776dc4a446c22ea11085842155b34176

SHA256
8f2c455c9271290dcde2f68589cf825f9134beecb7e8b7e2ecbcabeab792280a

SHA512
dcc1c2ea86fd3a7870cd0369fa42f63d493895c546dcdd492ee19079a0d0696d689bbfe7b686d4fa549841896a54e673fc4581b80783d7aa255dfad765b9dc88

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup32.dll

Filesize
1.7MB

MD5
7672509436485121135c2a0e30b9e9ff

SHA1
f557022a9f42fe1303078093e389f21fb693c959

SHA256
d7ea3cf1b9b639010005e503877026597a743d1068ae6a453ce77cc202796fea

SHA512
e46ff68c4a532017f8ab15b1e46565508f6285b72c7a1cbe964ed5e75320c8e14587d01fee61b3966f43636bfe74cebd21f7665b4a726281e771cf9230e69863

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf

Filesize
477B

MD5
ad8982eaa02c7ad4d7cdcbc248caa941

SHA1
4ccd8e038d73a5361d754c7598ed238fc040d16b

SHA256
d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00

SHA512
5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe

Filesize
487KB

MD5
eaa6b5ee297982a6a396354814006761

SHA1
780bf9a61c080a335e8712c5544fcbf9c7bdcd72

SHA256
d298fd82a39b2385a742ba1992466e081bea0f49e19ece6b2c87c7c262e1fcee

SHA512
ebdc887b6b334b7560f85ab2ebd29dc1f3a2dedac7f70042594f2a9bc128b6fca0a0e7704318ed69b7acf097e962533b3ce07713ef80e8acfe09374c13302999

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads