dc207762edb90234600c83ebc767324c5b729de06040066e0a28e723c92d32de

Analysis

max time kernel
150s
max time network
138s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
12/07/2023, 05:33

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General

Target

Docs/TRK/specs.htm
Size

141KB
MD5

0757bb3229fab7d4359e0b1e762a73e3
SHA1

cbe4c4b37c3d3e0c33f2807b2d62c6386e72beba
SHA256

3f26e06ec0c9eadeaf034f5b5b170fc102f1247ec245dd97aae219232b0b728c
SHA512

8c9543aa7d3a32b7d3c31287615224fee0625f38a2eba79a78f488dbd1a15874dc2f83d5328f92a135fdc9bbfcfbee7c10d1039ba1941c6d791dc58bc0c27f74
SSDEEP

768:9BQtFBsYKrq9n4/1hCd0Xx/RrwPD6AD6jD1814Qtz6p2NaSca:9BQtFBsYEq9n4NhH/BRtRE

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 44 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004ab35dbc53fd45498f88cda789e11c5000000000020000000000106600000001000020000000f7a65b2a727a2f28bb73e05653c4ff3a5c01f91eaf94fb170195d961a36d6884000000000e80000000020000200000002998bffecfb1338b53f315d3328e67ffec0d0ebccadb3a6775113271966008c020000000dc8d2c158f52e93377845f585793a7e34104c56b683ff778a9732c4e69700080400000003ef88822739873c8b8b10a3012b85acdc55c878ea8057a89ab41300f9a2ae94d333a976070522198f90d10d61f1f8954f06c685cddad0d1eb2664c146404c6e3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{977A2111-2075-11EE-B9DF-5653D379D7D0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395904966"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f070566d82b4d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2272	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2272	iexplore.exe
2272	iexplore.exe
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE
3056	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 3056	2272	iexplore.exe	27
PID 2272 wrote to memory of 3056	2272	iexplore.exe	27
PID 2272 wrote to memory of 3056	2272	iexplore.exe	27
PID 2272 wrote to memory of 3056	2272	iexplore.exe	27

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Docs\TRK\specs.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2272 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3056

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\Windows\Temporary Internet Files\Content.IE5\JHFV4GXP\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB9E1.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HFU26UDB.txt

Filesize
601B

MD5
4faaabd64d7b6141452e7df66e2e7404

SHA1
79d60f8c101d27360b40e23826a9414db7bf8a84

SHA256
d406e226093ee5e7cdd104358f33a5f4af96c5f0f2ce7cf84e5ec03be7d8bcf2

SHA512
d9eedc7492aff783d4307707ddd7900beb307bce37d6eb17972ffc4934c2155dbffc80017c01023f439952d85dc41d8272bcce3a39c1103db995b8d9d679d0c9

Download Submit