c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2024, 09:36

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General

Target
c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Size 2.8MB
Sample240607-lk8flsfd64
SHA256 c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740
MD5 ef6cbb52ad955eeb41bcf5918bcb292b
SHA1 9147fe9c30f535575d864268b3e134a8e73fb929
SHA512 f216179d69b2de1e5c9b8cec7748741d1078f96dad4fb94b7b3fc3e76509749e34ea02495359f0577e73d9f7476a16878133c40cf73053044e687fe666c0727e
SSDEEP 49152:n51Z7F25DNGy3g9lRC8mk62yFjqGAuf75pqjf8jJPfs/kfwMflf0hchZgty:n515F2W+8ClgduD59fVfwM/a
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4384-4-0x00000000009D0000-0x0000000001314000-memory.dmp	upx
behavioral2/memory/4384-36-0x00000000009D0000-0x0000000001314000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1804	4384	WerFault.exe	81
3512	4384	WerFault.exe	81

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe = "11001"	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4384	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
4384	c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe

C:\Users\Admin\AppData\Local\Temp\c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe
"C:\Users\Admin\AppData\Local\Temp\c89ad54d11675ed7ee3443a20afbe56b134baf5e06d2b595af9cae87abff7740.exe"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 1852
  2⤵
  - Program crash
  PID:1804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 1916
  2⤵
  - Program crash
  PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4384 -ip 4384
1⤵
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4384 -ip 4384
1⤵
PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

CCDInstaller.js

Path C:\Users\Admin\AppData\Local\Temp\{81D5D9B6-140A-4F43-8BB4-E52A81BE326E}\CCDInstaller.js
Size 1.2MB
SHA256 13c952c9dab374ee2ef3de41f2ab5f9d1b488f94f5400498e69bb18bc68bc00b
MD5 18d4529e99a898e41b49178111edc235
SHA1 2d15cc2c4cae620db158024a29407351878526ab
SHA512 e35a072f6aaae8ac111a1b9377d6f86fc47f6064860f07a73b3c8831b4ce4f3d159c5005ce72983a05e3607946a3e42c5803fd2ee5b4b42a7d13511c1abf1341
SSDEEP 12288:FZbk4GFhTosaubinVCmjM6kbS9bWHUp/1rN3iYOq1rXvLq56a2tCcw:FZbkR2Cmjfkb0WHFYOq1rXTqkaiCJ
MD5 SHA1 SHA512 SSDEEP

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index.html

Path C:\Users\Admin\AppData\Local\Temp\{81D5D9B6-140A-4F43-8BB4-E52A81BE326E}\index.html
Size 426B
SHA256 886c0ab69e6e9d9d5b5909451640ea587accfcdf11b8369cad8542d1626ac375
MD5 a28ab17b18ff254173dfeef03245efd0
SHA1 c6ce20924565644601d4e0dd0fba9dde8dea5c77
SHA512 9371a699921b028bd93c35f9f2896d9997b906c8aba90dd4279abba0ae1909a8808a43bf829584e552ccfe534b2c991a5a7e3e3de7618343f50b1c47cff269d6
MD5 SHA1 SHA512

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memory/4384-4-0x00000000009D0000-0x0000000001314000-memory.dmp

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memory/4384-36-0x00000000009D0000-0x0000000001314000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads