eec8598a29a582b073df5c4832428cdd5cb276ea4cfb05a04e4de58a421717f8

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 10:30

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General

Target

lossless scaling/Lossless Scaling.exe
Size

155KB
MD5

1e808d8b288c31d55e634bc603a430d6
SHA1

3093591b8bbc5afd41ba87462463bdd6c212b9c2
SHA256

c12832690c5c9e50e87718129836aa54dae18be18985aed6ad8fe8ddb94b0b43
SHA512

5ea49656e808859eb04a049f7f0617206e5b75e065dd8a15349a91cfe57fd94ca1906a1eedef802612c3e3b419257870d40e3c835e68ef0ca4150efdbe22660c
SSDEEP

3072:z/6p7RATueBb6sKGyLY1hhhhhhhhhhhhhhhhhhhhhhhOCD:z/6pWTuet1V1hhhhhhhhhhhhhhhhhhhX

Score

10^/10

discovery evasion execution trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Lossless Scaling.exe

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BA7071E1-C9BD-11EF-81FA-CA26F3F7E98A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6054109aca5ddb01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f5a884b9f13dc142a27da797776fb90d00000000020000000000106600000001000020000000cd302a3e92d9408ceaffc31782bdbb3b7f19f3f8b763ce23e8d76e78f199b16e000000000e8000000002000020000000be8da2e64ee374ff830be376caf62133b0e36c1c2df24bdcc9d0968c671b209d90000000c6cc00624edcf06bcca5257332bd0acf05a2d863d7dcf8748a7529a162da4760615a5fe573e032c7a31682b3f531baf6e237a18436a4afacccf1e85ccb94aad8c47c16dd403a1088284dbb04a4df0cfd24679b76293e5dda1633c34f47939bb9ade15f61733278c8fb8b86c5eb47964b645b86cf208237b51e3e60083f2ca919f1a0830cff9ef5d93ff3535cfc27954640000000ce590b3ee3725c855fdf47b6cec19a69522226d066e44fbde75ba02f7d068e62c50d9981ce2c10c8d29c1b8adf7de89675f6c2b842efa63f11335dd11edf30a4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000f5a884b9f13dc142a27da797776fb90d00000000020000000000106600000001000020000000e94f25262ff39936edf7025d50e4d8aa90f08ed155b436d9c556d5a36d2ac95c000000000e80000000020000200000008ce1d859a4baf08993d8d07047374687262c22d65d68bbfc1aaac770798ab66c20000000decfb9c4c273f81b58d5da4a0b64779a47462de8ff896a49187db6745f84ba204000000023fd94ec6b31a5c8880ce2b655d90e6b96654a27de45e85438ab753b69dc9c6dd288247013d32dbe5f7ff27dddd6e2ece198a8e9b357ea7bd3bd05c73050ba3f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442062098"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2772	iexplore.exe
2772	iexplore.exe
1256	IEXPLORE.EXE
1256	IEXPLORE.EXE
1256	IEXPLORE.EXE
1256	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2840	2684	Lossless Scaling.exe	30
PID 2684 wrote to memory of 2840	2684	Lossless Scaling.exe	30
PID 2684 wrote to memory of 2840	2684	Lossless Scaling.exe	30
PID 2684 wrote to memory of 2840	2684	Lossless Scaling.exe	30
PID 2684 wrote to memory of 2168	2684	Lossless Scaling.exe	32
PID 2684 wrote to memory of 2168	2684	Lossless Scaling.exe	32
PID 2684 wrote to memory of 2168	2684	Lossless Scaling.exe	32
PID 2684 wrote to memory of 2168	2684	Lossless Scaling.exe	32
PID 2168 wrote to memory of 2772	2168	LosslessScaling.exe	33
PID 2168 wrote to memory of 2772	2168	LosslessScaling.exe	33
PID 2168 wrote to memory of 2772	2168	LosslessScaling.exe	33
PID 2772 wrote to memory of 1256	2772	iexplore.exe	34
PID 2772 wrote to memory of 1256	2772	iexplore.exe	34
PID 2772 wrote to memory of 1256	2772	iexplore.exe	34
PID 2772 wrote to memory of 1256	2772	iexplore.exe	34
PID 2840 wrote to memory of 1164	2840	powershell.exe	35
PID 2840 wrote to memory of 1164	2840	powershell.exe	35
PID 2840 wrote to memory of 1164	2840	powershell.exe	35
PID 2840 wrote to memory of 1164	2840	powershell.exe	35

C:\Users\Admin\AppData\Local\Temp\lossless scaling\Lossless Scaling.exe
"C:\Users\Admin\AppData\Local\Temp\lossless scaling\Lossless Scaling.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Public\language\en-US\hiberfil.ps1"
  2⤵
  - UAC bypass
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /tn administartor /SC minute /MO 2 /tr C:\Users\Public\IObitUnlocker\Loader.vbs /RL HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1164
- C:\Users\Admin\AppData\Local\Temp\lossless scaling\language\uk-UA\LosslessScaling.exe
  "C:\Users\Admin\AppData\Local\Temp\lossless scaling\language\uk-UA\LosslessScaling.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2168
- - 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=LosslessScaling.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2772 CREDAT:275457 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1256

C:\Windows\system32\taskeng.exe
taskeng.exe {A16B3144-8A93-409B-ACCF-2F50E1998D6C} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
342B

MD5
100b54b01c887f205d459459468c05f2

SHA1
ccefd67785e54bb1049c79680ac15386e9a3f9d3

SHA256
5039c742cf5a3706b249853c469577075a128e2b5033d167542dc6a7106c3b48

SHA512
c55314c87ad67d4138c2cc57ded799d120a0fa3b7bda538a91dd70dd5264e7de159793d8bf6cb7bf1780bc1eb416f44bbf7c2b406ba421febe69507226e483c7

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

Filesize
342B

MD5
e85626d5b4850c613120add1501d0750

SHA1
f4c37ed5f4cb3653fe05d926e5ad31e8f1a85982

SHA256
a8e34777116f5b26f5de42a870439b033fe985facaf7e2bf7c8309aa56a1ea04

SHA512
5be5bb8fb7f6976143827d87c835605c29604cc924de294a10d006fb1342982040bc792890d6d0f0ef91bb5701b71c9df54b942e6961564e8c17efc1dc1d02d4

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

Filesize
342B

MD5
4430e4a98c285908606767223e4349a7

SHA1
0c4ac2acc563f024fd7dbc3a82c80f2def54c83a

SHA256
a47ff0e25c2998c2caba8e4cd11abee14e5a5deb147654bfc9a253790d4e4bc1

SHA512
d54af82bed6e5e553b2090e0dddda6266580200498c0fc340db16557cc0eae7b6130c2293824d962c70166ea8dd64d929fb93a2490ba831820158baa04f347ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA7A7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA7B9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Public\language\en-US\hiberfil.ps1

Filesize
1KB

MD5
98a99e831c54087770d3fd89f2bb9913

SHA1
26754b638106f4e2c3bdff6780c574384a129972

SHA256
92360a7d4d9bc840a967a86f6bd3651d0d7fb5218d57e3edcd36ad897f908a44

SHA512
cae5a9b95ac842902166cf2d67114f311f6bd9227999654f733b2ef16e4daf8fa2ea5fb5908425243226217fe99e87ded7f9d600a2eb668fb3b4f7d4b0974df2

Download Submit
C:\Users\Public\language\en-US\pagefile.sys

Filesize
1.7MB

MD5
df3362c56b3925e0eb83e0a10fb448c7

SHA1
7b82a4de6af8f15994cfa1f179ebf5e0f302e503

SHA256
1de06a9918cdd9e8dd95953f1a6b937d490a6eb228b2a67e5a89b09feab810c3

SHA512
431dbbf045c8a62cacd7e8236ad343287c574b97684d941fe6f94e702fbb2a19675e1849220fa443616bfe2adec0e2218c42d75889333ca489f064e931891785

Download Submit
memory/2684-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/2684-1-0x0000000000FE0000-0x000000000100C000-memory.dmp

Filesize
176KB

Download