91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 00:55

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General

Target

91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Size

3.2MB
MD5

50fbbf7d6343f5ce11764820c379cc32
SHA1

8d3dd285c4b1f50d8c0e90e17edfe54fe84486ee
SHA256

91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098
SHA512

c880e7cb5220eeec40795a017b3a71fd59ced85e377864e80e2f97fddcf68108563357b0f0fd4ba9d69ecc90f7eed8dfafcb1ac472efafba5cb0f8db11c219f4
SSDEEP

49152:2m7wIIjaSOV+THnJY4fsC1EBG0fRGtxbZdxajwbrS79F5/wcr6QqbD25:B8IsaSOolY4fsCmbIBSw09D/KTO5

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4516-0-0x0000000000DB0000-0x00000000017CF000-memory.dmp	UPX
behavioral2/memory/4516-35-0x0000000000DB0000-0x00000000017CF000-memory.dmp	UPX

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4516-0-0x0000000000DB0000-0x00000000017CF000-memory.dmp	upx
behavioral2/memory/4516-35-0x0000000000DB0000-0x00000000017CF000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	4516	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.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	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe = "11001"	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4516	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
4516	91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe

C:\Users\Admin\AppData\Local\Temp\91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe
"C:\Users\Admin\AppData\Local\Temp\91b57cc70d9e532ddfc5c89c4d4205c338d48498d1c5e8a1a60dc9e093f00098.exe"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 1788
  2⤵
  - Program crash
  PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4516 -ip 4516
1⤵
PID:4460

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

C:\Users\Admin\AppData\Local\Temp\{9DC4ABCC-2EF4-4417-B08A-E4F8BBD922EE}\CCDInstaller.js

Filesize
1.3MB

MD5
4b02242ed1b6281db19b4f60c127cc5d

SHA1
69ea4924a273dbb03f31d3c7d6d2cfd2270cad1c

SHA256
9fbf9ff720e09c16da2066b8bab9879a4c83682f687ebe806c5ea78e1eb9467b

SHA512
dd44025147f63e307636424d80405f14a02ad2cc4ad4f80878537b21df7981f546115348711fff6e13483fe6fb04684c079309af28c8ebf43ef83ffe9b49fc1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\{9DC4ABCC-2EF4-4417-B08A-E4F8BBD922EE}\index.html

Filesize
426B

MD5
a28ab17b18ff254173dfeef03245efd0

SHA1
c6ce20924565644601d4e0dd0fba9dde8dea5c77

SHA256
886c0ab69e6e9d9d5b5909451640ea587accfcdf11b8369cad8542d1626ac375

SHA512
9371a699921b028bd93c35f9f2896d9997b906c8aba90dd4279abba0ae1909a8808a43bf829584e552ccfe534b2c991a5a7e3e3de7618343f50b1c47cff269d6

Download Submit
memory/4516-0-0x0000000000DB0000-0x00000000017CF000-memory.dmp

Filesize
10.1MB

Download
memory/4516-35-0x0000000000DB0000-0x00000000017CF000-memory.dmp

Filesize
10.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads