b95744c8165a45581b734de9a2c44a7552336cbcce9524102dc9e758d992451f

Analysis

max time kernel
418s
max time network
556s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 21:00

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General

Target

Ѱ1120˺test123456/޴.exe
Size

4.1MB
MD5

4707f303bf7416fdb58e2ae62e64714c
SHA1

1645325a57bd9a4b92aceae98661dc2a6d9d9293
SHA256

db9f698360d7ca795075fbbaf62b60dea53cb060d6b7640c8dfc268b18bf8af3
SHA512

76f65af2918685ccdbb2f7bbb83c0f9ab3abfbc927a94b2a52ebac9fd54de54cec5b95bc4294d89b2756c7c05f9263a0c077d4b302bd0b1e4f3616cfcbd92ce4
SSDEEP

98304:tJkE1sb/ywRW3p5O1OJa3BVuFsCxlejnlXOXiw3oDl3Yqw:THWR8/UOaMlxgDNOOF

Score

8^/10

vmprotect

Malware Config

Signatures

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral29/memory/1788-54-0x0000000000400000-0x000000000083A000-memory.dmp	vmprotect
behavioral29/memory/1788-56-0x0000000000400000-0x000000000083A000-memory.dmp	vmprotect

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CC5F50D1-6F68-11ED-9B91-62E10F117DDC} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376438132"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1788	޴.exe
1788	޴.exe
1788	޴.exe
1788	޴.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	޴.exe
Token: SeDebugPrivilege	1788	޴.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
604	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1788	޴.exe
1788	޴.exe
604	iexplore.exe
604	iexplore.exe
540	IEXPLORE.EXE
540	IEXPLORE.EXE
540	IEXPLORE.EXE
540	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 604	1788	޴.exe	27
PID 1788 wrote to memory of 604	1788	޴.exe	27
PID 1788 wrote to memory of 604	1788	޴.exe	27
PID 1788 wrote to memory of 604	1788	޴.exe	27
PID 604 wrote to memory of 540	604	iexplore.exe	29
PID 604 wrote to memory of 540	604	iexplore.exe	29
PID 604 wrote to memory of 540	604	iexplore.exe	29
PID 604 wrote to memory of 540	604	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\Ѱ1120˺test123456\޴.exe
"C:\Users\Admin\AppData\Local\Temp\Ѱ1120˺test123456\޴.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.jisu520.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:604
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:604 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\BIKBTJP6.txt

Filesize
596B

MD5
4636d912006e1666c235823c2b168bf6

SHA1
ea498d869dc094bc94bf7cf4c5a8c613f922343e

SHA256
a675dc05bb236c829b14d7eeea2e913f9428190582081b4ac778989d6e722d0d

SHA512
3bd3a188c686fd00bb40fe4f70ee959f915b4a115940660564509d605c956f658f56aa48b11c30a59b4d4483debea128dfd683403a25f797e25e0542d701ff97

Download Submit
memory/1788-54-0x0000000000400000-0x000000000083A000-memory.dmp

Filesize
4.2MB

Download
memory/1788-55-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/1788-56-0x0000000000400000-0x000000000083A000-memory.dmp

Filesize
4.2MB

Download