41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0

Analysis

max time kernel
118s
max time network
159s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 14:26

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General

Target

41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Size

141KB
MD5

316f41c12c008e77f862e23ca24d1030
SHA1

8ce9ed7369c573ca7af4c51ed112997506f970a5
SHA256

41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0
SHA512

4d6a9ad38150d9f1acf2897177342a8b8aee689dead3601d95da3cd74b8ee77a0957f4e169a489a3cdb10202e108785af2186ecf0728f64dbaf370578cb24013
SSDEEP

3072:i7k1qIDapTbpSY4ESneJOLL2jO6Sd4tvERUJOsqzmFw/jkhA2j:MIuxbJ4202jlSd4yRUV+mFekF

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\mplayer2.exe"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.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 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.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\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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	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\IntelliForms	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\Recovery\AdminActive\{10674A71-69B1-11ED-8CB6-56A236AC5043} = "0"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	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\FileNames	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
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70762cedbdfdd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da00000000020000000000106600000001000020000000f28d94f4be291380680e9b3f1fb394f1cec8e40c6defaf95557974baa97bd5bf000000000e8000000002000020000000d491c1966b1344a0e70e96f2d34a1024fc24d81718aac008a4e27a75ac5ecd5320000000160e8cce0221b1fdbfd5cc53d84ceba536a370372c63e0d362cdd6046fd35d83400000004fd3c2622cb76611c081a8d532489eca4447d5861dd2ecfa60709c63eda6e3aecde2d51d9a32daabcdccb4dcf0242c1910ea8a1601ba8039f2a4d789e7dddd19	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\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	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\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375809458"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
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\Main\WindowsSearch	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\TabbedBrowsing	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1692	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
1640	iexplore.exe
1640	iexplore.exe
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE
1972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 1640	1692	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	28
PID 1692 wrote to memory of 1640	1692	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	28
PID 1692 wrote to memory of 1640	1692	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	28
PID 1692 wrote to memory of 1640	1692	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	28
PID 1640 wrote to memory of 1972	1640	iexplore.exe	30
PID 1640 wrote to memory of 1972	1640	iexplore.exe	30
PID 1640 wrote to memory of 1972	1640	iexplore.exe	30
PID 1640 wrote to memory of 1972	1640	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
"C:\Users\Admin\AppData\Local\Temp\41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.youtube.com/watch?v=vsd3g0h_vs0
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1972

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

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Downloads

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

Filesize
342B

MD5
8c7ead8a44bb1beee48da32f9ce6ad31

SHA1
ac1a452d23750ce1303f82fa88f81b26b88fe07b

SHA256
7f189a673898574a3874fa5e07ab415d5302284224b03d39b3a8408e675ffed8

SHA512
165f63e02285043e83e510743f9918a0f2b49df77eb94e93c615ad8143d4bfb570cdc50ab5dfefdcb8aa98ad79a0d24f14d9b5298b9d79037cd1c35ab8ba2cab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\t9o3c8r\imagestore.dat

Filesize
1KB

MD5
af54a4efc91f7a1b703bf11c56bde66a

SHA1
0b971fbf637c2248e4c13e1cad2d89eaa0621ddd

SHA256
88b995d133412ce943192402882f862b14017d3dfc572cdb2712419a8175180e

SHA512
56bc209a276dbbe9be3df77038bd346af1042bca0de3e8d587930753a9ed802378d4096623d48d199876a39297bfbede656ec7506f4d69700e6b864d449f5f8f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ZTN3VZZC.txt

Filesize
599B

MD5
f5592f858b37b75e06dfb97d2f2e24f3

SHA1
217b9fca8b7052408a0d027a04c23bb2ebe6a0d7

SHA256
c745985dd14c95f830f9bd3d1ea6c617b1b8c76005025c5b2b0845bd131b9225

SHA512
273c083f3664f63fed17c6d28167e003499147695db4f046648ecb2ce3a442f04bd084e9d0674ba8f668c9383b9f05b260a6c366ee051f40a6993dbfecd481e9

Download Submit
memory/1692-54-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1692-55-0x0000000000270000-0x00000000002B6000-memory.dmp

Filesize
280KB

Download
memory/1692-58-0x0000000000270000-0x00000000002B6000-memory.dmp

Filesize
280KB

Download
memory/1692-59-0x0000000076651000-0x0000000076653000-memory.dmp

Filesize
8KB

Download
memory/1692-61-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads