hxxp:///root/sample/38421b8540ee25c769334579eceb0aed31ee2f7a

Analysis

max time kernel
91s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2023 13:17

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General

Target

http:///root/sample/38421b8540ee25c769334579eceb0aed31ee2f7a

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3520231831"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e71a1497a3f6df4986d8b1845d3118e2000000000200000000001066000000010000200000003069b5b0da46253098e9d7687a3bd880c35f7253f9feadf7538749e3fd33c0a4000000000e8000000002000020000000ad73cfdb458a098406dbeb2a1b683c95db80e726a7940a0ce073de2313f4d045200000003aab39bc0dab6667bf4b0fd111eb8c16ac73c382ae4f2c12d08a752900282c7a4000000001cf2c85703c8e15b8bb2e78ad2e5dfefa0820c9878ce5eda70859ceed4baf0846300d01dc17dc4e63fa071df1d796e7cff2f6c4870749557f72610e6219a1d0	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60daf5d4353ad901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013429"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 9038e5d4353ad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3520231831"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FCC2075F-A628-11ED-AECB-72E5C3FA065D} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013429"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3558201700"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e71a1497a3f6df4986d8b1845d3118e2000000000200000000001066000000010000200000000cf68a48d1f862035a316d484e862e91c3b568691573414591185fa9dd0ffa12000000000e80000000020000200000001f2c6c0d0f5a6b4ff04462b22219d7b484babb7b6346e1be5ad4c3338ca656a520000000559c48d8cd6d5ad4f691779ed8d91c34cd610b1a37c4afba9bb8415186cab7b6400000009b7c328866050288e065d262964e2792e3f8c10e9f76ebe08333a5217545e9f035719ed8edae3deb2afe81da04615f3b247fe9e52bdd4ad64beedf602737013f	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013429"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382458027"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1984	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1984	iexplore.exe
1984	iexplore.exe
560	IEXPLORE.EXE
560	IEXPLORE.EXE
560	IEXPLORE.EXE
560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 560	1984	iexplore.exe	79
PID 1984 wrote to memory of 560	1984	iexplore.exe	79
PID 1984 wrote to memory of 560	1984	iexplore.exe	79

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http:///root/sample/38421b8540ee25c769334579eceb0aed31ee2f7a
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1984 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:560

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
aee722fcdc90fcfba473126bf8bed12b

SHA1
df62a695b671a248b19f76cd6d420d1bcee9c27d

SHA256
e759250bcfe36a1a745bc1cc241dea84b6c791141e93b322bd5027d62d3a4807

SHA512
e51c09b66f06f247289841147cc6ebf2b70308cfac2c500915ed2b4775813e48422e60779e50351ac668bab548afaccb822a1486ae8242bc37697f16f3a994cf

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

Filesize
404B

MD5
0257f330cbf929ddc31ae5f9af868a69

SHA1
8493afa1f159336bbc58fdf7dc2410606940bc3b

SHA256
7e6bbd287e07309decc9f1f88cd64acfa072ef4a68cae1d8d45dcd4ebc1f021b

SHA512
0505cffdad66b60bd46e7b96d72e01ac0acf6c0f07243c6b037532f6406f3871dd9c52f63ffec9755294d031dcc7944138a3a422975f6d79eb1a9a743bdc1d1f

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