b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58

General

Target

b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
Size

654KB
MD5

21e5f98f6e9c9a5aaeeb659a8f913930
SHA1

2fc4897c0a9ef31924964c559bbaa9f81af2add0
SHA256

b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58
SHA512

6927850a94786c678a382a6055a64ab0f9be4267429d85f80fc35ff0351724e1d97d57471c9c277e60721676e3e2d29a7f4fa9a42d6a4a5efbd4a5252c4a9a21
SSDEEP

12288:XJr8CrW1KuPMnZy2hWvG/Mx3y+eRAaWdlZFatVVE/cKlR5A1Ks5Su:ZrVrRuEnZNhqQMde1QFok3yKuSu

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1584-55-0x0000000000400000-0x00000000005F4000-memory.dmp	upx
behavioral1/memory/1584-80-0x0000000000400000-0x00000000005F4000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

Processes:

b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exeb66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe

description	pid	process	target process
PID 1584 set thread context of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 set thread context of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B75B9D51-720C-11ED-A8EF-5A9C998014C3} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da000000000200000000001066000000010000200000007a6a75d95543c988621e96f391366a921ab7a1672c3c385dc3ea05420e73c5fb000000000e800000000200002000000055311b1217ed4ab37a551a367f21d00896717a70ef9114624b7ec826d5db784b20000000c450a5cafcabe14510ba49fcd380980ae321366624ba5ee726b1e2815105870240000000b058e57f94540137ef9f25a3c76ac4305d74e6b5210c9a8222b7e5fa6f5c3a3e1475462ebd837a930baf79c024dba79f135f4b58bfa13a78dcd82aafa154e3e7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0376b991906d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376728421"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

676 iexplore.exe

pid	process
676	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exeiexplore.exeIEXPLORE.EXE

pid	process
1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
676	iexplore.exe
676	iexplore.exe
964	IEXPLORE.EXE
964	IEXPLORE.EXE
964	IEXPLORE.EXE
964	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exeb66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exeb66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exeiexplore.exe

C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
"C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1584

C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1452

C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
"C:\Users\Admin\AppData\Local\Temp\b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:328

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=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:676 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\EYF9VEEI.txt
Filesize
539B

MD5
b7ef19ddcb9142903336e57ed1a538c7

SHA1
385d85ec1f1a8aa19144fa73c56bd89748f4e8a9

SHA256
9663f736e824af4e4c91eb0cfc6501a8bfffabb4ff700f5fb42d5c5665580cc0

SHA512
c926cdb446e74b90c729964c5b6b3695b2ce0769ea3a3856c60681e0c360e03857a5727812b5cc6b1d8d5ba9dac2bb6c5d22a17a89f61eac5c69f203df2e0d67

Download Submit
memory/328-74-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/328-75-0x000000000040C52E-mapping.dmp

Download
memory/328-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/328-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/328-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/328-77-0x0000000000402000-0x000000000040C600-memory.dmp

Filesize
41KB

Download
memory/328-78-0x0000000000402000-0x000000000040C600-memory.dmp

Filesize
41KB

Download
memory/328-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1452-64-0x00000000004010B0-mapping.dmp

Download
memory/1452-57-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1452-59-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1452-65-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1452-56-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1452-62-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1584-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1584-55-0x0000000000400000-0x00000000005F4000-memory.dmp

Filesize
2.0MB

Download
memory/1584-80-0x0000000000400000-0x00000000005F4000-memory.dmp

Filesize
2.0MB

Download
memory/1584-81-0x00000000031D0000-0x00000000033C4000-memory.dmp

Filesize
2.0MB

Download

description	pid	process	target process
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1584 wrote to memory of 1452	1584	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 1452 wrote to memory of 328	1452	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe
PID 328 wrote to memory of 676	328	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	iexplore.exe
PID 328 wrote to memory of 676	328	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	iexplore.exe
PID 328 wrote to memory of 676	328	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	iexplore.exe
PID 328 wrote to memory of 676	328	b66fc784b48d0bba31cd52972d7bb8309ce51319ad33c28a88441d646e139a58.exe	iexplore.exe
PID 676 wrote to memory of 964	676	iexplore.exe	IEXPLORE.EXE
PID 676 wrote to memory of 964	676	iexplore.exe	IEXPLORE.EXE
PID 676 wrote to memory of 964	676	iexplore.exe	IEXPLORE.EXE
PID 676 wrote to memory of 964	676	iexplore.exe	IEXPLORE.EXE

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads