58c34d4631ced34ace48055bb07367d55b51860e3b483307a1783cc4008f7b76

Analysis

max time kernel
109s
max time network
84s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/02/2023, 22:54

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General

Target

L4D2BhopScript.exe
Size

382KB
MD5

bd6f807dd05278946d7d85cdb114b2a6
SHA1

30644109ab1672bdbe94669fb992109a69cf9d06
SHA256

58c34d4631ced34ace48055bb07367d55b51860e3b483307a1783cc4008f7b76
SHA512

82fbad79abe76928e24f91694f18cdc1be29a609d5f4f3290ea9d337b5e0723142ae6090dd0caefc46d2a74c3967906a5e9653fbe88855f278c26b50cbea1d4d
SSDEEP

6144:+IVyJ/El9HHRmqU7aNn4p7THBojs39yq1fTqTj81CErQx:+nEl5BsaNnsloj030x

Score

3^/10

Malware Config

Signatures

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 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000014e64cc4fef8074781c02a2fe4e3a2b000000000020000000000106600000001000020000000b67df10438df3ee7de7390b9544bf1e1f97cbfcb6311792c9777b20a42ae5658000000000e8000000002000020000000cfcac2a2f7a5e95ce4a63836de9b1a24fc572592f15ef3a5051361fc66212e3c20000000a53415dcb4b6bc18562c56b91d55d69bc1639bcf487b472e1de0095f63cfef2140000000b56b8431f2635016cf0376f0d606c04d3be8c1f8aa734c36a43b9ff37b5cc492aa742a6e0c8a75f27b48fa2e4cb3ee5104f6279b6404c05460dcb8a17d908c74	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30a2c23af438d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5E369731-A4E7-11ED-9843-7ADD0904B6AC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382319890"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1940	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1940	iexplore.exe
1940	iexplore.exe
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1940	1952	L4D2BhopScript.exe	26
PID 1952 wrote to memory of 1940	1952	L4D2BhopScript.exe	26
PID 1952 wrote to memory of 1940	1952	L4D2BhopScript.exe	26
PID 1952 wrote to memory of 1940	1952	L4D2BhopScript.exe	26
PID 1940 wrote to memory of 1632	1940	iexplore.exe	28
PID 1940 wrote to memory of 1632	1940	iexplore.exe	28
PID 1940 wrote to memory of 1632	1940	iexplore.exe	28
PID 1940 wrote to memory of 1632	1940	iexplore.exe	28

C:\Users\Admin\AppData\Local\Temp\L4D2BhopScript.exe
"C:\Users\Admin\AppData\Local\Temp\L4D2BhopScript.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x86&rid=win7-x86&apphost_version=6.0.13&gui=true
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1940 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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

Filesize
342B

MD5
388274e9e3f13fcb010e1888f43d42c3

SHA1
cb1e980fc8bcda27bcec96c67e261064553134b1

SHA256
38a5320fb017ef32cd975b752fb2607f41d48d480e8d6892ae95979696a0d440

SHA512
fc0ad89f793bd8052b1d50ff2052e7b1b6b7490a1de1987431796ad172820654c5ce23c3d340b758a93e77e98c10a8261bd927277e16d8470f7e71e25a08c68d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\EZCIPCM3.txt

Filesize
598B

MD5
6e475a929c2beaa324f572ec45d3aa82

SHA1
77c4bbcca40e53a6bdc5dc665b6a7319ce1f154b

SHA256
949fda0114a540c4e5ac9886ee5521b2ab8f3afb0220591c143a1c43ae9bd6bb

SHA512
0dedc00d3e7cd2e8335969f3bde98fa391011d787bf34f4b8d9e477ec82777a7e55ac5bf6e5dd2c67793da12d9f70eb54d19b8764d7d58c0c7a5bcf8a315e09d

Download Submit
memory/1952-54-0x00000000750A1000-0x00000000750A3000-memory.dmp

Filesize
8KB

Download