b12893ad5628c10e631016d8fee377886fdf789ff2cd57a0fdac1abe5864f03a

Resubmissions

16/08/2023, 13:38

230816-qxkmjada3s 7

16/08/2023, 13:36

230816-qwlhfach91 7

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2023, 13:36

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General

Target

captcha_night.html
Size

10KB
MD5

1c3e768c64e3d8ee27098fb271372eb4
SHA1

7283aecc6009ec0bee1efac4c853517cc25060e8
SHA256

e3fc563589c45eb77c5c422353ba2272bf58da8f04da50fed3265f94b57ee4e0
SHA512

1973946863d9edd8ba4ebc4123bac5ed8231cca2ace89014781b45da5192a3ac20f0c2e774480daeb58dd394b9504e5a49ac3393cd1dd5ee636fa81f3b35e1ac
SSDEEP

192:Lb26FaAAfeEorMxpicxTSTiwRSLRb5WlUfWMjRdWVQahx9eMJJkb2kDXjdL2h3zZ:Nz6a1eMJznqg

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0b9d2d746d0d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31051846"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 207bb8d746d0d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{00BAACCC-3C3A-11EE-B699-6E57E90FA48A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3580288375"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31051846"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31051846"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a800000000020000000000106600000001000020000000040a8fa3d33ed2a4e66a758f8a1757e18f6564ee5c95978d374a7a94749ee3ad000000000e80000000020000200000000daf2c56986012c710143651ab73ed27bdaf52d9e5e1f7baad9f1a8e6bf4cc1e20000000f2eba07b78ab272d2aac7412b31e92c4e9f8fed2daa21c07eabfbfc6782db73140000000894eb5e61ad4e53b7c7c3034222d5c429e56dcd2c771b2ff752e636e3b94ad8e4966eb22293f26309a833a43949d9f64fa4401f267524c9da28f5f4062be1a1b	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "398958008"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3580288375"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3605756034"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a800000000020000000000106600000001000020000000055818fc19e2cb7c019c7c556750479dc4875ba69408c7f817619586af0643a2000000000e8000000002000020000000ec2781cc218bd29c4968f9c834a663a7b7286ef89b603e9f1528c4a0348c34e820000000538352a201bcf0f732cb2af1046756cd4433fd7641802e253d1f909e0b4cde29400000000e6f9c71a97dbec28f16cbf65eeea6d27c7c048b54424f763e567963406fd8b68d2ba70e81b800c5df3cba0ddcc61f124eaa1040aee2d7f9a272981fcf1bc9c8	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1540	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1540	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1540	iexplore.exe
1540	iexplore.exe
4708	IEXPLORE.EXE
4708	IEXPLORE.EXE
4708	IEXPLORE.EXE
4708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 4708	1540	iexplore.exe	82
PID 1540 wrote to memory of 4708	1540	iexplore.exe	82
PID 1540 wrote to memory of 4708	1540	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\captcha_night.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1540 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
e2b36434d392eb5e6625407eba6114da

SHA1
f6fa993d4253689dc3829b6992c137dcf5ad6c46

SHA256
f53cfd169854a1104c9035f88f158e6f9ead0ae0ed573ca84a05cbb8881d0fc6

SHA512
d81c0699ac168e3f6d510a473615f73552ba2d83c82aefa25b162c0018701ab8baa3b1a5389774d8309aaa04f9d74518af98f8265f699f647c08bcfe1c5381cb

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
1837da976ed8a42f6852bd364731ed14

SHA1
8caa5c3d08a0edc4a97213c8feb60335a355dbcf

SHA256
10478abda8c44dc68427be7ee12b74727f301645435bb3d984290c1a1ccedf3f

SHA512
415ddc1a1e7737f01985adf1b83ebf3fb8e083956c9c6b33036a40c8103813a7c2b0e6813373b2fe31bd33d18a2735528ef5d998dd4a25b34a209bdc6e36ee1a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RM50SD1U\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit