f971b901aeb9e55b07d472afee09bd5ae05159e1119dbd16d993e473565e7fc0

General

Target

bootstrap.min.js.download.js
Size

34KB
MD5

2616d3564578d8f845813483352802a9
SHA1

5ada7c103fc1deabc925cc1fdbbb6e451c21fc70
SHA256

f971b901aeb9e55b07d472afee09bd5ae05159e1119dbd16d993e473565e7fc0
SHA512

e3d8bc8fd58b0ac1d9fc444f21f2dad94defde536af2aadb6ace768ae0bca9f9c9274161b076fc546ced174f23cc7495a8c5049ab00be19c75f6310e91ab1edc

Score

7^/10

spyware

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F2CB8CA0-3710-11EB-BEBD-F648E9E4AC23} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4536 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4536 iexplore.exe
4536 iexplore.exe
4572 IEXPLORE.EXE
4572 IEXPLORE.EXE

pid	process
4536	iexplore.exe

pid	process
4536	iexplore.exe
4536	iexplore.exe
4572	IEXPLORE.EXE
4572	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

firefox.exeiexplore.exe

description	pid	process	target process
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 648 wrote to memory of 608	648	firefox.exe	firefox.exe
PID 4536 wrote to memory of 4572	4536	iexplore.exe	IEXPLORE.EXE
PID 4536 wrote to memory of 4572	4536	iexplore.exe	IEXPLORE.EXE
PID 4536 wrote to memory of 4572	4536	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\bootstrap.min.js.download.js
1⤵
PID:4768

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:648

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
2⤵
- Checks processor information in registry
PID:608

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\CompressPublish.xhtml
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4536 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/608-4-0x0000000000000000-mapping.dmp

Download
memory/4572-33-0x0000000000000000-mapping.dmp

Download
memory/4768-2-0x000001A7AB6E0000-0x000001A7AB6E4000-memory.dmp

Filesize
16KB

Download
memory/4768-3-0x000001A7AB6E0000-0x000001A7AB6E4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads