hxxps://bcd[.]rewards-locker[.]com/?utm_campaign=638&pid=638&sid=70253133829489934[.]2[.]70253133829489934[.]541675550&revpass=1&oid=2552&amount=1000&brand=cashapp

Analysis

max time kernel
128s
max time network
253s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2023, 05:47

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General

Target

https://bcd.rewards-locker.com/?utm_campaign=638&pid=638&sid=70253133829489934.2.70253133829489934.541675550&revpass=1&oid=2552&amount=1000&brand=cashapp

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31044136"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000052a69338ef97e94eb4d938c2816c6e0d00000000020000000000106600000001000020000000007952fcfba2e4a964e49fcce2f6c011480a348b39e11a5cfbd2afbbfefb0ab4000000000e8000000002000020000000c8ce6f8b1b772912b8eac0a381cf598ce4f0e31a695904eb59419b3b0ca664a120000000e829851735bc40b2cf1debe8d6b9c8b43426a14ad82e4e257e092421cdb635494000000068be5d8622f6c7394f7177b606b313ceaaaee1bc6dc45f05ca773515d74a68e05316d99f7cfaba971fcca02b32c9c1523fa34eaa05c21bc3f2085e055228ed57	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c091f4fd28b2d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4233485551"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044136"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4224108038"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000052a69338ef97e94eb4d938c2816c6e0d0000000002000000000010660000000100002000000022cfb0261834d09f16e7dff923839c0c4e9a2fdf012fedb7493a575027dfeee5000000000e80000000020000200000006fa401c22031c4e993eeeb0de5916be2ce2d0914f2b28976d2fac60bf991c142200000007eebdd75f4f405143bbc8f82b0f8e6f10162b84c8718b05b0105776ad479385940000000b9521bd8ce7292a65227ead1a57ef45ad4995926e3c4f4b3ef805e3301e0d5bc806d3b61f16c1e7d13196b29d16b3bfe143fc2f4e300ac05010a903036825a5b	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2727D5AA-1E1C-11EE-A95E-CA9BD619D26F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4224108038"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044136"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 805f0cfe28b2d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395646651"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4876	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4876	iexplore.exe
4876	iexplore.exe
4384	IEXPLORE.EXE
4384	IEXPLORE.EXE
4384	IEXPLORE.EXE
4384	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4384	4876	iexplore.exe	84
PID 4876 wrote to memory of 4384	4876	iexplore.exe	84
PID 4876 wrote to memory of 4384	4876	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://bcd.rewards-locker.com/?utm_campaign=638&pid=638&sid=70253133829489934.2.70253133829489934.541675550&revpass=1&oid=2552&amount=1000&brand=cashapp
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4876 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4384

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\Local\Microsoft\Internet Explorer\imagestore\5amy22j\imagestore.dat

Filesize
9KB

MD5
7ef4eaccd2ed7675a84feb0335a4e91b

SHA1
088e2da2b7bdfc95423a97788a7f0c87a36ec381

SHA256
81cf332ca35a70fb48f542525a4070b100d29adf64783b19fa0e20a00827cdd8

SHA512
a063358bc0fe7024abdb3e3ac5f5c0792e5fcfc25e6240a97c372004b02d5dc9428ecf85745125ff177f62de1f1bb7be710f4227288f15a9b469099147312955

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1Y0EG8YX\favicon[1].png

Filesize
9KB

MD5
8db136a47e9d7d21b829f4e736ea365a

SHA1
f81e3854e5aa2d3381648c64aa5c50c2242ff66c

SHA256
8fcdf649e013e316c3bd914284a16a0a36b02d876fd0dd7a7e970a2d38c7b9a5

SHA512
7ba72b305fdd926484826a542092aade06ab6078a83fd48589ab45681635305c21a7bf29073c56abcb7592c7be09d58ad2e17a9394c18f41df98d3be0d4ba791

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\34SFYBWV\js[1].js

Filesize
225KB

MD5
0c8c635d07254417f834de7a616b0511

SHA1
d76f622b4298db06d3cdf5c9b1ece77c324fe37e

SHA256
ca7a2d5480a5f225b7e09f205855db3e602e6c942703c339956a993358ba00aa

SHA512
11fba492297fde5358f14b26c369835e4031cbdaefd0ca21d4007b755f3fceb238541133cca384ff1050615f77c43350b3236ae4d2b038385f7b57eb74e7521f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E3D8ZC6J\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit