b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135

Analysis

max time kernel
128s
max time network
169s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21-10-2022 01:42

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General

Target

b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Size

528KB
MD5

4b88c6e996a391b8be1ede13d555e63d
SHA1

96ed996d88a6214a048f7f445bbf19dd33a2140c
SHA256

b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135
SHA512

514c42bfbae92d786e612d620994a4f39ce161a936636a56fa66dc540cf7ea8e091a244fa04fff452591ef20ca32db87beb69213ac96f0ef771dffc2e2b6cc61
SSDEEP

6144:qo2gmzMtvK9x08Opj5XV+1iRkST3H963kbZw6EBRiWcfX:nFmKa

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\wmplayer.exe"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373111459"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a300000000020000000000106600000001000020000000a7e0e721fe5f600efe05fc31585e79202115fbb239d43eb24c11c59175db2be2000000000e8000000002000020000000064476a5a743e83718234bd1a39bbbda6100c1a1a11de1071adf64897c386657900000001f7b33136525d2528339a74ba5dab3ad816b0ea5d2a812d4a19b008c275cfa3e30a7f81368ffea5084776c13674235fde4c8e087da7e7882d79954826d6312122a83caa4e0d75d860a0320ba0a80941a24e8ddcf44aad1699fcae45400e1ace7a1b7ed1e5dcc714aa7b11b7dabb1c3fc05b1c1d7cd7282a8cd11350035c6ff6645e8b39077f4149cf68ec29a404635fa4000000029a9f106e01495ed8adcb408365d7bbd55a06733b20258309ea7d24779dd6b3e6f57ba15bacb21bc334a104f6d3355d02ebf720c31546097aaa9c3913d671808	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4A024AC1-5127-11ED-8AB9-FAB5137186BE} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a30000000002000000000010660000000100002000000062e9f1b892342b34acdf1dc3aaec526d0c189d74a5051febac053ab73e7f5de8000000000e80000000020000200000004bacffaef72d50f5798115c0c16265dfd03c71b92872a8a00a4625dad3ac33e620000000c5d60b756a6b25d636dc1fd91a5bc6ab132480ec5b035584acb60d971d32823e40000000e3908def7d0201af84a2e6b425c1f55204e8749cf9ecc56de904a4cf12f27f106a6fdd4007c88423a30865043114eebf02204c365a6e24401419ba1e80a5443e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0c58c3f34e5d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Download	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1692	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
2012	iexplore.exe
2012	iexplore.exe
1092	IEXPLORE.EXE
1092	IEXPLORE.EXE
1092	IEXPLORE.EXE
1092	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2012	1692	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	28
PID 1692 wrote to memory of 2012	1692	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	28
PID 1692 wrote to memory of 2012	1692	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	28
PID 1692 wrote to memory of 2012	1692	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	28
PID 2012 wrote to memory of 1092	2012	iexplore.exe	30
PID 2012 wrote to memory of 1092	2012	iexplore.exe	30
PID 2012 wrote to memory of 1092	2012	iexplore.exe	30
PID 2012 wrote to memory of 1092	2012	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
"C:\Users\Admin\AppData\Local\Temp\b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.youtube.com/watch?v=tkFQS92d6gw
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
7a8473c6306ba5e2ac47b90cd89c037c

SHA1
d7128b01f9c0b851dded940f09b52213e61b7109

SHA256
0c164c8c51444a71f52dbdc2323d576de3646b48f549c0ed1839ffc0cb866f27

SHA512
28c7a48d489d17b411a8d838fca7c722be43e1c3f952acfd99020141cf047719ec1cda473ff9f80cecd094dd7c877c666026e770a42287c51cd14166824229c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\tcz8fqz\imagestore.dat

Filesize
5KB

MD5
1bf8d0b6968586bb630f6945d00e19f1

SHA1
649b5a1c254c03fc9e7408903968258188ad6388

SHA256
50e0e8cccb99830edd923af88bcdc6ed56dce67f1817aa2eb2e66e1178fe3eba

SHA512
4db05631f25a704f5c36530176320099b349984e5472da856c14911b236fd5646c52f5f9306d8625aa8e9cdbe55b9732e4d37bfacb5667197ff5102df998035a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\T0CYQRIP.txt

Filesize
603B

MD5
b32a5865a0fa61c5eb9fd095bd0dd365

SHA1
4583fad3a87f23e388eed7e14c4cdcb32be97ec7

SHA256
c2d67156288fa2c8835ddf3a056066092483771d7a08a5e30654d17f6321ec4f

SHA512
366381f7423dd5c4311b088e30f1796d1d86ca252dfa9fd3a8e285583d7f4b809fe1eec8d4e2f8df91f0fd098b9f9aa4b62a8f864a8c117d068c2144a45d90bf

Download Submit
memory/1692-56-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/1692-57-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1692-59-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads