81c342e8068331e76a06110cef06a20ba89cbfef568cec01fb135686e853a2e8

Resubmissions

24/03/2023, 12:44

230324-pyk41sed25 1

24/03/2023, 12:41

230324-pwymbsec98 1

24/03/2023, 12:38

230324-pt9a2sec85 1

Analysis

max time kernel
100s
max time network
136s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/03/2023, 12:44

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General

Target

Remittance Advice 03232023.html
Size

5KB
MD5

64188af58348b05313dcc0b198a8851a
SHA1

7da5ede615f8dbab2c159aeea1319f671efd6b46
SHA256

81c342e8068331e76a06110cef06a20ba89cbfef568cec01fb135686e853a2e8
SHA512

74939fa11f76df9c53c7906be006e93e7f2b302af4557fbfd1512784496c53291e760aab75da471bc2e5accc03d5baf3652ac0fa0f2fd0229708600fc53e3d98
SSDEEP

96:0i7JbJ8JvqMJbUZJo7Ycjl1UJPoP/JCWBBoswQ41mYT2JcfIQKJejeJJ7ne18JOj:/tYvqI2o7YcEApCWBTv4Avcf5SeSJ7eL

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c094a5d4565ed901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000007837404bb2ac374381d657b4bfd4f9e200000000020000000000106600000001000020000000c710107fb9ca4d6d1dfafee78d5dc104a6d6234251ca30af8d207d04481c184f000000000e8000000002000020000000631e24ddb38a92abcd563bea2aad73e64591fcff0873885647e789331e9f34e8200000004364f348dac2037fe8ba5dae526499b282093df68e471b6a06abdba2420ef4f740000000d050039c9179f9eedf2644902f24930a378e1578c2f870488afab414fbbaefe5ad5eb64cc673312e8cc1e572330957835ba0df57010c385401f0cb9e37e400cb	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "386430435"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FA89ED81-CA49-11ED-8AA9-DEF2FB1055A6} = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1728	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1728	iexplore.exe
1728	iexplore.exe
656	IEXPLORE.EXE
656	IEXPLORE.EXE
656	IEXPLORE.EXE
656	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 656	1728	iexplore.exe	29
PID 1728 wrote to memory of 656	1728	iexplore.exe	29
PID 1728 wrote to memory of 656	1728	iexplore.exe	29
PID 1728 wrote to memory of 656	1728	iexplore.exe	29

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\Remittance Advice 03232023.html"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1728 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:656

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
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

Filesize
342B

MD5
bdfa62958ba6c32a48c0eefef57920bb

SHA1
674bc9d81b035ed63a0d6f0d53885e62ea23cfae

SHA256
93ecdd98609f1bb3c0421c88f8800e3159e1d01d8794e9534bc05c38ec23c5a1

SHA512
aee357d83a729d7364260262ae3fe9db24516309e1ef8c21693c7286b2fce777a652b18750ea652cc23ade08af8c708586ed5c56e0d52819aa96b356001a8915

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

Filesize
342B

MD5
96e6bc8bca7161145e9664bf6fc84094

SHA1
ba506081f4cf09b29efd6eb3330b6d6fd5de03b6

SHA256
4018a0f38441cb31aebcc0e4d77c4658cada71780fa44a1b2cf98183df05bfb5

SHA512
e7245e8713e9356909f119906d4f56904423453dbab8c09988dfd6ffb5fc58c628a35bad8c8ff59e38ed58dd00281afa5843b7911eb85b36cf86dd98d19a2811

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

Filesize
342B

MD5
3b35db8917619092456f1156f11f0a47

SHA1
dfb1e60318a2228d68f52bc3e05058c0280eae4f

SHA256
2ee56d51be0c4fc38b67aa3164507f0024f057e65e70de2f00bebecd82f5b1b4

SHA512
df981f35e4aba3b26259fcf9f88b47b6201cd5df7edf0d51e5a101136b8871d9365f271e26c224de26cd6946d4164a9962ca455674e0174a9b08ffe03790f238

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

Filesize
342B

MD5
e71137d26d4982f8fa2696b51bc0af09

SHA1
da89557b05da98c597563a7e901ecd48a31f6f48

SHA256
808885fbf7048fbd13b9013e015e0d7f5af5f137ca3c13042d2a7c3bc3e249b2

SHA512
7cb7118ae6a3fb0fe1a35376cf01c2e671aec7c97c52bee6879a60a5eef99fccc2e835bb5c358cd9468fb6fdd0f67b6f2ee738bd89a5711d5ac82140f821c4bf

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

Filesize
342B

MD5
5572230298627f51f89a4158fd2cbc5e

SHA1
a09886e2195c91db5d4b980fb2299686c7bb59d9

SHA256
d78e270cd3af83b6ce828de06ad806e0ba4c694c6edac29721e27d1e7f27eb20

SHA512
1857e442db6f703257ef1fa8b7e38fcf72564ea38e703e399ccff8d3bdb647b1c37b0c8e280e109950a1518e5b8f98a1b1adbf14f07a7c3634dc120570aabdb8

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

Filesize
342B

MD5
91959dd8c98f51f081a476a0c0e2a29d

SHA1
26c5e2c361db9759532d9134ade9abc6fda3d9b1

SHA256
0353e09c9a8294f8997acde37892fd5348456d344364eb485e18e30371fbc511

SHA512
7c2569b9996281c108c0f7cba3954bd3a38d2ae048e1110039bde6e5fd2381b7d1c6f696bdd58b8117820de1d2043a01200bc80ced872db702b78e5ff85b9f15

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2760.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar299A.tmp

Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\J8S0WVN2.txt

Filesize
605B

MD5
2d4d296103f39c9a3fd658c87f4c304b

SHA1
14381531c9ba23f1fce286cc4a39cf1ecf81cac6

SHA256
73bed89b2093a488d8282e77c357809677838b3dca7f5aac7d0b14690470cd65

SHA512
7c7274aca9f9714226de8fd74e758416ff4000a0b6d9a808675d564c9c10e01f731da7646558c426ac98d960536e4e45ace64bce853563fcf2ec05f1c870c1cf

Download Submit