hxxps://click[.]stitchfix[.]com/YXcr?pid=Email&sf_client_external_id=613c20e2-b0dd-4438-8a2e-0d1d1513fc57&deeplink=true&utm_campaign=email_us_w_reactivation_styleshuffle&utm_source=blueshift&utm_medium=email&utm_content=email_us_w_reactivation_styleshuffle_437152218&af_esp_url_path=%2Ftrack&af_esp_url_params=uid%3D32c44352-a594-48c3-bce6-586e60e061a2%26txnid%3Df1763a38-2e1d-5443-9ceb-d12aa1744af2%26bsft_aaid%3D3a8cb797-2e0c-489f-b330-8334bcfa0b57%26eid%3D7efc95f6-bd2a-acf5-0423-478fa777323c%26mid%3D530eddc0-b872-4a79-ac14-24461f2f973d%26bsft_ek%3D2022-09-21T14%3A24%3A38Z%26bsft_mime_type%3Dhtml%26bsft_link_id%3D17%26bsft_tv%3D62%26bsft_lx%3D9%26a%3Dclick%26api%3Dtrue&af_esp_name=blueshift&af_dp=https%3A%2F%2Fwww[.]stitchfix[.]com%2Fapp%2Fhome&af_web_dp=[//]Garlandisd[.]mistertitas[.]com/ms/YnJpbmdvQGdhcmxhbmRpc2QubmV0

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2023, 20:29

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General

Target

https://click.stitchfix.com/YXcr?pid=Email&sf_client_external_id=613c20e2-b0dd-4438-8a2e-0d1d1513fc57&deeplink=true&utm_campaign=email_us_w_reactivation_styleshuffle&utm_source=blueshift&utm_medium=email&utm_content=email_us_w_reactivation_styleshuffle_437152218&af_esp_url_path=%2Ftrack&af_esp_url_params=uid%3D32c44352-a594-48c3-bce6-586e60e061a2%26txnid%3Df1763a38-2e1d-5443-9ceb-d12aa1744af2%26bsft_aaid%3D3a8cb797-2e0c-489f-b330-8334bcfa0b57%26eid%3D7efc95f6-bd2a-acf5-0423-478fa777323c%26mid%3D530eddc0-b872-4a79-ac14-24461f2f973d%26bsft_ek%3D2022-09-21T14%3A24%3A38Z%26bsft_mime_type%3Dhtml%26bsft_link_id%3D17%26bsft_tv%3D62%26bsft_lx%3D9%26a%3Dclick%26api%3Dtrue&af_esp_name=blueshift&af_dp=https%3A%2F%2Fwww.stitchfix.com%2Fapp%2Fhome&af_web_dp=//Garlandisd.mistertitas.com/ms/YnJpbmdvQGdhcmxhbmRpc2QubmV0

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c0000000002000000000010660000000100002000000076fbed9f06d3dd8f21c17d136d4e5cb80508c65f18e6d8eee664bd150771988e000000000e80000000020000200000004f1dab55278b7e63c1defc13e99ed92914595bd4beadb160f13cf549b371e446200000002f8bb4cd2d357395175cc19132fa36a9482154aadaddbafa2d6667084b3fcba140000000bd4aaa04d29acb3d48066b84a09802e8799cc4c6aaabdc5fed8f187d06afb284d98d0527b298e900e06154461731e32d4bc393b5b3ec95c102196e480c2ea32b	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31023758"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\albdlnc.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "460304455"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31023758"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "460304455"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31023758"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "470150014"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DOMStorage\albdlnc.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\albdlnc.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "386893990"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4676EDE5-CE81-11ED-9F77-4E963766237A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80d0c70c8e62d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3828	iexplore.exe
3828	iexplore.exe
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 1988	3828	iexplore.exe	85
PID 3828 wrote to memory of 1988	3828	iexplore.exe	85
PID 3828 wrote to memory of 1988	3828	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://click.stitchfix.com/YXcr?pid=Email&sf_client_external_id=613c20e2-b0dd-4438-8a2e-0d1d1513fc57&deeplink=true&utm_campaign=email_us_w_reactivation_styleshuffle&utm_source=blueshift&utm_medium=email&utm_content=email_us_w_reactivation_styleshuffle_437152218&af_esp_url_path=%2Ftrack&af_esp_url_params=uid%3D32c44352-a594-48c3-bce6-586e60e061a2%26txnid%3Df1763a38-2e1d-5443-9ceb-d12aa1744af2%26bsft_aaid%3D3a8cb797-2e0c-489f-b330-8334bcfa0b57%26eid%3D7efc95f6-bd2a-acf5-0423-478fa777323c%26mid%3D530eddc0-b872-4a79-ac14-24461f2f973d%26bsft_ek%3D2022-09-21T14%3A24%3A38Z%26bsft_mime_type%3Dhtml%26bsft_link_id%3D17%26bsft_tv%3D62%26bsft_lx%3D9%26a%3Dclick%26api%3Dtrue&af_esp_name=blueshift&af_dp=https%3A%2F%2Fwww.stitchfix.com%2Fapp%2Fhome&af_web_dp=//Garlandisd.mistertitas.com/ms/YnJpbmdvQGdhcmxhbmRpc2QubmV0
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3828 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1988

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
27eeb470ea47791b773b0c543d47d7c0

SHA1
cf692b6241651b506a7639c0c02f4ab582b728bb

SHA256
887291e1eaf9e037071221908bc110ee40235c5d9c6dd4001699cdbfd55c9cd4

SHA512
23f1b1f25ca82aa1b9a235921ba87b86f61e58a1d19b031547144a6035144b14c0ca1f7a9391c00eca50c0be4f35a161d0b4402cdff37f1c9350a368ce3f1321

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

Filesize
434B

MD5
4cdff30f403f82fcb2a1d15d452e69fe

SHA1
9e7637858cc4e74d8376ef6ed2be57fd7f519962

SHA256
951c8e2fb7dda9f6afd3864afb139e1e50e1428a1e1028796fd6a39539b6c016

SHA512
aab34237be2ebdb98edd7f69dd3bc8f4e2655a3c69e6fd36e535b8c4dc394e245876f6698a355bf44b6961485ecad9033228927416c62277f882ac79bc441532

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit