804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356

Analysis

max time kernel
70s
max time network
146s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 02:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
Size

47KB
MD5

a1a95a4c16a981430df2e509f09e7911
SHA1

63ad3f63566a6dea61fc6adda2c5dbed382e06af
SHA256

804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356
SHA512

de1da6dd2c7aa8199ea64bf81a37790a5991fcf719e9a6cebf0fe4b7dfe43cbf1d936882e1cb1809dcb7dfe18048bcce1f8f0b5309a443dec4882742578d6b89
SSDEEP

768:po5PFTmNCi5ONtoZC5pLT+5sYe6SX4/5bm1qJ1W6eNXkQJ6QRa2pnaWcX0cUA5:i5N6CAIF5pLCC6SS5m1qJ1WFN9nxatzR

Score

7^/10

persistence themida

Malware Config

Signatures

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1388-54-0x0000000000400000-0x000000000043CF58-memory.dmp	themida
behavioral1/memory/1388-58-0x0000000000400000-0x000000000043CF58-memory.dmp	themida
behavioral1/memory/1388-60-0x0000000000400000-0x000000000043CF58-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\Sierra\\mplayer2.exe"	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe

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 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80afa425d906d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4BB7E841-72CC-11ED-8C74-D6AAFEFD221A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376810704"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007051a76b8f2de34eb84a07e150bc69a700000000020000000000106600000001000020000000323c404c90857db82ddc6f3769ef439940d5ee811cd876f2076998fac57f3839000000000e8000000002000020000000d44672268d08b31f71483fe4dda7a253ece112abf6bc508a7e718d0500f89f7c20000000b472a4984f62bd42cc29b82829b28c1e449f0aca16ac8c0f7ac5f49231364aed4000000053fb62b7e6200ae5b899de90179a8c4241e310354669b3f0cc72df60901ea21f72d5602aaca6dea6005ce689792bd7d25e5c769b052149bcf492530a58905264	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
1740	iexplore.exe
1740	iexplore.exe
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1740	1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe	27
PID 1388 wrote to memory of 1740	1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe	27
PID 1388 wrote to memory of 1740	1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe	27
PID 1388 wrote to memory of 1740	1388	804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe	27
PID 1740 wrote to memory of 2040	1740	iexplore.exe	29
PID 1740 wrote to memory of 2040	1740	iexplore.exe	29
PID 1740 wrote to memory of 2040	1740	iexplore.exe	29
PID 1740 wrote to memory of 2040	1740	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe
"C:\Users\Admin\AppData\Local\Temp\804499e859365f9c8076edb25bd0727ae113eb7c8cac497f0fcc068bbe891356.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.seutoba.com.br/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1740 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\RYFOKTA5.txt

Filesize
535B

MD5
1f26510db0f30f4616e7bec289e64b47

SHA1
d84bdcb69f714ede187b919177ecce62aad26b2d

SHA256
ba5175d5889a0a9417316b403ac78810a7e1a29c82c224bd46e5ab543f01bbc9

SHA512
2c39783cb4cda2a4ad3b4bd6644dc9ff9a985657239aff97f166e818aa383396b01e4a00e510050f1fd2f08879d4c0dda35ca89bae2f4d44f065f20312c56011

Download Submit
memory/1388-54-0x0000000000400000-0x000000000043CF58-memory.dmp

Filesize
243KB

Download
memory/1388-57-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/1388-58-0x0000000000400000-0x000000000043CF58-memory.dmp

Filesize
243KB

Download
memory/1388-60-0x0000000000400000-0x000000000043CF58-memory.dmp

Filesize
243KB

Download