4c4d3d04b830b66d4a8c17fcb27f2e4b30b96f63c128308776478bf7ee8ae377

Analysis

max time kernel
100s
max time network
139s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11/06/2023, 18:57

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General

Target

stella_e2e.xml
Size

4KB
MD5

deb02e17bcc92fef2298a466d71f9457
SHA1

e4259e3c073d4cb4af07bb3a2147fb1e8d7943cb
SHA256

83d0ffc0ea968c3b71c194ecb47bbeb4512137a06e8f7ff7b3973ca23dc467bf
SHA512

cda1fc10cba541658d1f826d735641c2058fadbaf42a9f05e1d8cd3b25fe146db53187548b131bd248e56f34dfebeb3e7b2c1d53784dbe88c8266731aa7401cc
SSDEEP

96:38fSxf3sWhw3h0A+sJCxox9rxT57OxjrWthy9xFnNLWtEy8PM+cRSjOA+Ay:OSxf3sWhw3hysJCxoxHtSZ6tMNoaPsAw

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005e81bf503c0c9d448d7915480629e3f400000000020000000000106600000001000020000000c0f11f9bced9df00c146d28ccf66f41c5ee7731a60fcfb1a45d8c9879d391fd3000000000e800000000200002000000003994a43b86cc71c574407af92b7d3cfda71e6c32fb446c520fb3810e559937220000000b48abc494be6cc4bb71ebd7bb4a8a62d6ec62e0f564ed43768ce2e57f540cb45400000004635a7be6c4e29b657541442d6ca480f48cf864140d8c811593b2d382c132cec1e135498079a9024f7051f22d87cc1cdb73dfaa695e6d78767188afacbab33cf	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7FB7B901-088A-11EE-BFBB-DE010D53120A} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393275118"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90fad756979cd901	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
564	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
564	IEXPLORE.EXE
564	IEXPLORE.EXE
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE
1680	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1484	1996	MSOXMLED.EXE	28
PID 1996 wrote to memory of 1484	1996	MSOXMLED.EXE	28
PID 1996 wrote to memory of 1484	1996	MSOXMLED.EXE	28
PID 1996 wrote to memory of 1484	1996	MSOXMLED.EXE	28
PID 1484 wrote to memory of 564	1484	iexplore.exe	29
PID 1484 wrote to memory of 564	1484	iexplore.exe	29
PID 1484 wrote to memory of 564	1484	iexplore.exe	29
PID 1484 wrote to memory of 564	1484	iexplore.exe	29
PID 564 wrote to memory of 1680	564	IEXPLORE.EXE	30
PID 564 wrote to memory of 1680	564	IEXPLORE.EXE	30
PID 564 wrote to memory of 1680	564	IEXPLORE.EXE	30
PID 564 wrote to memory of 1680	564	IEXPLORE.EXE	30

C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\stella_e2e.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:564
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:564 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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
62KB

MD5
b5fcc55cffd66f38d548e8b63206c5e6

SHA1
79db08ababfa33a4f644fa8fe337195b5aba44c7

SHA256
7730df1165195dd5bb6b40d6e519b4ce07aceb03601a77bca6535d31698d4ca1

SHA512
aaa17175e90dbca04f0fa753084731313e70119fef7d408b41ff4170116ab24eaee0bd05dca2cc43464b1ee920819e5ce6f6e750d97e3c4fc605f01e7ff9c649

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\TOS3MI7U\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\GR692I3V.txt

Filesize
608B

MD5
98afe8bef098926ea2af85ff98a1afae

SHA1
2eb104f6d775cd0df7c5e42b4079e7883720e377

SHA256
37409ceb1ea872b06dca7e96c1a0fbcffd3358894eb64c6aed29869df7fcdc7c

SHA512
70621c76c74296cc062f33034ad9c6fb9bcc4bf78040a52163a356883f4512c61099a262586618a9c52edbdd5be5e71ee784128e0b79d8f92a40f30433e32667

Download Submit