229dff2f805ee436aa067b023ee4dd9155bfd8914b575c80042193db59d3e07d

Analysis

max time kernel
100s
max time network
137s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
04/07/2023, 14:14

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General

Target

callout_round_rectangle.xml
Size

1KB
MD5

7fc3436b4fb18577226f2ef6a838b5e1
SHA1

70e9e30bff5450a756bdd7b2ab9bb0c449995543
SHA256

530dc037f97b445b59d02413092b61b950b0439057ccf4bc4ee0d30d84167763
SHA512

de6db7d15994ebd16915f1e966bc00bffadf4ed41e223b7d3309dd05878a0367da21d7386357d4df7c4f856ce75b4b6434eded1167f2e8d980e7fe45b0cc73ea

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b560baeb882dc64aae4acff703adb14e000000000200000000001066000000010000200000007ccf8de5037c47d8b179899362c0e955ef745f35322e0d8fb0cead518b89766d000000000e80000000020000200000004ff709aec8f55d920b1728cf3e3b4f710c3fe9d0787ae2135935e9ecf1b7245a200000006c8ff4779b2a2c70d4931e219b8384c7820887beea0ed03ca58009fdfc2fdaa94000000079c7677d53ea8dd2994d86b1bc35774158d74c794a1d0dbf690166fcf72a3a482e065d28c6287bb8adf36792b5c0e54b1799006a3e29f54b383fe4399ccf1dc4	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b560baeb882dc64aae4acff703adb14e00000000020000000000106600000001000020000000d546e1f55d1fee3a770f1cdfad6490d72b959fdbf1f1779c837a6c985ece0f3a000000000e80000000020000200000006cc91642bff209932bc8da517448b5be719782aeb81ca2003f22a2baa32608a290000000790f1828ae0acf328a085f35629b4fc65a3b1ea63171438fcfcc5e8b0f2ff19fd33ff0ffda7d539e8c68b1f5aecd57d7c9cfcd25426a94b0109a530861d1c73283149eaf87be615f4c5f3c5941a64e56801cd0065837270ec863c8bd6dad8276448f20bf5b4c7967f83fa80576926f67f19989facccf485447caeb09b4699c9b239e6f775b1229a60e15fa701d759660400000001f4968521318e9c11c48084c46507c058940c62d5e1284fa06b28e8413b34312ea30ac6b23f0e713005cb140f4e6a1d498d11e5118177ff05a4949cccb8b43a2	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{285FE0E1-1A75-11EE-9A14-7EF4D2542886} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 506f81fe81aed901	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395245073"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2028	IEXPLORE.EXE
2028	IEXPLORE.EXE
904	IEXPLORE.EXE
904	IEXPLORE.EXE
904	IEXPLORE.EXE
904	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 280	3008	MSOXMLED.EXE	28
PID 3008 wrote to memory of 280	3008	MSOXMLED.EXE	28
PID 3008 wrote to memory of 280	3008	MSOXMLED.EXE	28
PID 3008 wrote to memory of 280	3008	MSOXMLED.EXE	28
PID 280 wrote to memory of 2028	280	iexplore.exe	29
PID 280 wrote to memory of 2028	280	iexplore.exe	29
PID 280 wrote to memory of 2028	280	iexplore.exe	29
PID 280 wrote to memory of 2028	280	iexplore.exe	29
PID 2028 wrote to memory of 904	2028	IEXPLORE.EXE	30
PID 2028 wrote to memory of 904	2028	IEXPLORE.EXE	30
PID 2028 wrote to memory of 904	2028	IEXPLORE.EXE	30
PID 2028 wrote to memory of 904	2028	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\callout_round_rectangle.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:280
- - 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:2028
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:904

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a071bbb8709cbd4aa20137f2e1ea4e82

SHA1
3a74a7082287a792dc0c4460d3fb7001ccc0a477

SHA256
6d78a126c823a707597fc02e0435cc4c461390719bedb51c95fde38cd5e9ae1d

SHA512
0fa712ee8e8145df2379e6d67f6a9c4e6403cfcd5b884a3d31c666fc9d4d9c8e88c5d8abea21c6c5c6f99eecb79381ab03d1b780fc009f6a756d55f1662b7982

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\XZEULFN0\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6175.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6214.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\KRPK04L4.txt

Filesize
601B

MD5
15887b1ef8002453ec083510909b4d07

SHA1
00379d46be93a335ad35f59e7213ea6d9ac22b4a

SHA256
76c7511e57f9357bde5c23410782ddf6363007f7f5032cf6634ba605cf5b900b

SHA512
c433a30f5888d7c5cf7daa2153879b725fda856e66b2b1950e63a85311ec9659ac9be4588b87f251db3eba258eaf18b487ece0bb1645bcc8dbda3012935ee13d

Download Submit