19470f227a02e175bdc80b0dfe3891c9d5ea6d5f40b9be9e5a1adbfb5fdd6fdc

General

Target

voicemail_1415277287.wavv......htm
Size

441KB
MD5

77711a21bbdf96895cea492ff87111d9
SHA1

cfe09c030373e200ec427efd40c34d28224757c9
SHA256

a04f700bff363a056db630973f6a00404a2c2e352f20d2205c5a71547ee0141c
SHA512

7737c744c3b0990345a1bd85cdd5bb1e95c6e5c06e2a6f2b3584489cbd055e1d4d2260aed321c119f0551bafcb0887a4024c835ad804e562ed1b947f412bb0ca
SSDEEP

1536:IZ4Y/lZOVxBHZIc3J01nP1ApqvlnS6lVSYhTMnj5IyGL/:IZfvOZHZIc3J01nP1EqvlnS6lVSYyGL/

Score

5^/10

microsoft phishing

Malware Config

Signatures

Detected potential entity reuse from brand microsoft.
phishing microsoft

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "166304872"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eef4ddb70fa9964f8bf69d510f57c1eb000000000200000000001066000000010000200000009361d7284088d59154377944ce735a895ac1ffd6314763ad317a5b5963ff3ab6000000000e80000000020000200000008fc209768e2fdc13ee52dc4651e01c745c321ad7b9969dbda07e950cbfdfcbb220000000c36b0b763669634aea922ed4c1365b6596f386a35657f7c73d71707e003c255040000000a02cfa6bd89d7d738f813f87efa88af62e4384311d74bc3962c62512fc90b44e2592d2ee74c5e761eabf636786644f4e915b4686cdd3db900df98aad66ad20ac	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b03a080d173bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382554755"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000eef4ddb70fa9964f8bf69d510f57c1eb000000000200000000001066000000010000200000009af8acabc456873f7b7b98909a518e38c1ae674765ad0be4f7c4629efd956e26000000000e8000000002000020000000d55ef550d6f1839d8ccf86c8312fd2a6a76954a6cb5d380b0aac08ca01f9753120000000faf3d7e3992027a44624e44c31ad90d08c995274b854685c02b9edf93a70d9b5400000007f62b4709286806dae13faf9f879f6934e93b99fe248a4958085784e0c4cd3331feaee9c7c3fd7e1c5304cb1f2a9471298582192702bb738a291b0678daa3678	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013655"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{34F4C3D3-A70A-11ED-BF5F-5695DBFAB5D8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013655"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d053fc0c173bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013655"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "166304872"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "177087325"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4908 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4908 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4908 iexplore.exe
4908 iexplore.exe
4948 IEXPLORE.EXE
4948 IEXPLORE.EXE
4948 IEXPLORE.EXE
4948 IEXPLORE.EXE

pid	process
4908	iexplore.exe

pid	process
4908	iexplore.exe

pid	process
4908	iexplore.exe
4908	iexplore.exe
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 4908 wrote to memory of 4948	4908	iexplore.exe	IEXPLORE.EXE
PID 4908 wrote to memory of 4948	4908	iexplore.exe	IEXPLORE.EXE
PID 4908 wrote to memory of 4948	4908	iexplore.exe	IEXPLORE.EXE

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\voicemail_1415277287.wavv......htm
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4908 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
bd813f25b25946e19e7b3acf153b3674

SHA1
1570516b96c7931bd565ac9102e79e1664216997

SHA256
6c744ffa4555b4c92c632743742782df3e1b9c33004c73247574da26a759ea2c

SHA512
145c738a3702f08d8d307188a4422e3842bc08aced2190f74601d8398d2001cb722e3c32bb6988e35a44a456fb042e6ae833a121da092d21dc2a04683932b47b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
e34d4ecc1edc317ca40b4e5ed95a1303

SHA1
f594a28c9aca9b8287627aa3efe0d3c7d8fc2d17

SHA256
f09b441de4c26a2645652760c43c43090f24803015262c2b8d2c72c98a131d81

SHA512
a8d99db0c4947dc876e29809d132c82cf000f1abbeeb9aeac9624e5c9615edf9d6d471943816d512d8ba4d417e56cc49969264e4e7ebca7d314be0b20815da5e

Download Submit

Analysis

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