c3db9475c3ab6b53d8f6d711f587e5218c9b8d332229a208277bc0b27a24b620

General

Target

SKlauncher-3.1.exe
Size

1.1MB
MD5

021b53abfc25a261077282498e5726a0
SHA1

ba7f38a28444504e6e8e1f995cc40ceb70ff6409
SHA256

c3db9475c3ab6b53d8f6d711f587e5218c9b8d332229a208277bc0b27a24b620
SHA512

484bb65ecb1ccd3e5472a27737fd2fa4471240aeefcf4bfdeaf4e49636cec9b3e43a5c2feb7134074c92af01f52a456b8074aca8269480e210cfa3b51acae81d
SSDEEP

24576:7h1tjL2uma7hLQKaikK21SHCJ3ny+SGiPsGSa7tLC+/e0cUEcnr:sghMKai1viny6iPH5hF/e0m2r

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{192786C1-457F-11EE-8F4B-FA28F6AD3DBC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{192786C3-457F-11EE-8F4B-FA28F6AD3DBC}.dat = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1916	iexplore.exe
1916	iexplore.exe
2052	IEXPLORE.EXE
2052	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1916	2536	SKlauncher-3.1.exe	28
PID 2536 wrote to memory of 1916	2536	SKlauncher-3.1.exe	28
PID 2536 wrote to memory of 1916	2536	SKlauncher-3.1.exe	28
PID 2536 wrote to memory of 1916	2536	SKlauncher-3.1.exe	28
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29
PID 1916 wrote to memory of 2052	1916	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.1.exe
"C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://adoptium.net/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1916 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
4d28092ff97b95903d654872d8814747

SHA1
f67da0b0103eb0c261382872ae5bb3eecefc8782

SHA256
69c82e0b6bbacd8c9c33f0108871832adb0eab67520def7d6bae554a38010161

SHA512
8657ec9ba20eea49132e30093b148101f9ba3278ab0ff78e72d542fb73bac72cab5b20ced54afae0883fb06a37f1b0d0994ec5f391e45ccdaa185f6e48f1902e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9d8ea2238546ca1cb1a8326e51ecf7e2

SHA1
0cbfd7a35696f0b746b6c20ab6472971d84e7616

SHA256
a5bfe1fe087b24032fa805dda0d5318a4b3aec142c4bd4b51e955e0426a6c3d0

SHA512
1db30e0248b86bf22a65643b95bb291134d293724abe95d78ecd61b967aeb992f5fddf72da20e4119d21dd758fad37ddd5cf4460c10fcb5fe8bbf4c7f0d18ad5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8CE4.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8E44.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
memory/2536-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

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