e26513138e0174647d8447536da72bd2f4fec22643d1bbaec1dc96cce8f32c02

Analysis

max time kernel
0s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 13:31

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General

Target

21e87ad8ac6c072aca2dcfd6b3f719f2.dll
Size

67KB
MD5

21e87ad8ac6c072aca2dcfd6b3f719f2
SHA1

4b472f64fbc5c12c6e69e6556932d3c633223409
SHA256

e26513138e0174647d8447536da72bd2f4fec22643d1bbaec1dc96cce8f32c02
SHA512

9e92de6bec8e76adb4f997cd2b244666c68574245e93bf47e11b2b71bf9c56d31e15de088837bff8a5612fa1fae677021c2a4ed1bc03eba12d0bc9e8eec30744
SSDEEP

1536:qKaouK0rof8925RMehGW4P6cHkP3AqshuqR6Rr:qKaouK99MqB4Pi3cnGr

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1464 set thread context of 1712	1464	rundll32.exe	17

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	1464	WerFault.exe	14

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{90DDAFDB-A3B6-11EE-BD28-F252AA825E28} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1712	IEXPLORE.EXE
1712	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 1464	1560	rundll32.exe	14
PID 1560 wrote to memory of 1464	1560	rundll32.exe	14
PID 1560 wrote to memory of 1464	1560	rundll32.exe	14
PID 1464 wrote to memory of 1712	1464	rundll32.exe	17
PID 1464 wrote to memory of 1712	1464	rundll32.exe	17
PID 1464 wrote to memory of 1712	1464	rundll32.exe	17
PID 1712 wrote to memory of 1384	1712	IEXPLORE.EXE	21
PID 1712 wrote to memory of 1384	1712	IEXPLORE.EXE	21
PID 1712 wrote to memory of 1384	1712	IEXPLORE.EXE	21

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21e87ad8ac6c072aca2dcfd6b3f719f2.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:17410 /prefetch:2
    3⤵
    PID:1384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 636
  2⤵
  - Program crash
  PID:2124

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21e87ad8ac6c072aca2dcfd6b3f719f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1464 -ip 1464
1⤵
PID:444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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