7a0a5d13d56af8698e952fc82cf0e90695ad28cc99f4c5ea2d7374db15a20211

Analysis

max time kernel
140s
max time network
157s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 13:11

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General

Target
CraxsRat V7.4/CraxsRat V7.4/craxsrat v7.4.exe
Size 62.0MB
Sample241106-qe1wsssreq
SHA256 df4a1582b2d000cc4ddac50aec247fa92ba13b3b822f6e05cb529b2eb94a07f7
MD5 d125972b55d437d2dc9e89cfa0e81785
SHA1 2b09d5a4eb8a239790393f06b0af1d4cac334b91
SHA512 7ffa6176d28bf6d17f390726d5cb7f8d6b6f07adeb3b382d2eee4148f5b6ac0693421d4ef3e17b8fb263beaf3997bdb12fcd4c83199f55ab1ae9aa620a33d17d
SSDEEP 786432:8c+NX10EPRuHoA5AKF7zR/t6tKF+iS6JkKgApbLKo2:j+NX10qwAMzttZm6CKXxI
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 47 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{AC009311-9C45-11EF-AD39-C6DA928D33CD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\microsoft.com\Total = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 2094d3815230db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437062720"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\microsoft.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\microsoft.com\Total = "124"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\microsoft.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\dotnet.microsoft.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\dotnet.microsoft.com\ = "124"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "124"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000045c0dde48c11474f81d9a2c02be4ea2200000000020000000000106600000001000020000000ff8396646a5b0cd2f49493eb80e1b7584be3e849237dd1ddcb9388b423d019c8000000000e800000000200002000000060faf68cfd2801d1ee4d87f05c8371f2c9effd86ab9b6a642d5de467851ad0a6200000006ebc31611f83f40fa8a1e6857cb10383ced7dd2075682c1a13fad4b992a9593340000000a722e414530e3720621692447bf9f7e014f6c7497687a9ce4c915077c6c447527c53a316193e18632dfdad9e60ce77818113c333cc3a60dedb3ce142c1613c37	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DOMStorage\dotnet.microsoft.com\ = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2808	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2808	iexplore.exe
2808	iexplore.exe
2240	IEXPLORE.EXE
2240	IEXPLORE.EXE
2240	IEXPLORE.EXE
2240	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2808	2164	craxsrat v7.4.exe	31
PID 2164 wrote to memory of 2808	2164	craxsrat v7.4.exe	31
PID 2164 wrote to memory of 2808	2164	craxsrat v7.4.exe	31
PID 2808 wrote to memory of 2240	2808	iexplore.exe	32
PID 2808 wrote to memory of 2240	2808	iexplore.exe	32
PID 2808 wrote to memory of 2240	2808	iexplore.exe	32
PID 2808 wrote to memory of 2240	2808	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\CraxsRat V7.4\CraxsRat V7.4\craxsrat v7.4.exe
"C:\Users\Admin\AppData\Local\Temp\CraxsRat V7.4\CraxsRat V7.4\craxsrat v7.4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch&plcid=0x409&o1=.NETFramework,Version=v4.8&processName=craxsrat v7.4.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2808 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact