ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3

Analysis

max time kernel
39s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 12:25

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General

Target

ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe
Size

640KB
MD5

224161d5301842f17d176381aa3441cd
SHA1

a88d44434b050380c7ef0be14db4b60ae24c6e97
SHA256

ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3
SHA512

3c33f80d152f564939c9d108ea17f214772647244b0b54b41e8e97cf7a08b0d1b4a629767c68e5092dbbea6c2eaae008788c4ac413386cfb22019b0832f41558
SSDEEP

6144:o6o7IMT7mDMQzrNW7c6o7IMT7mDMQCl3hcfpONKm6o7IMT7mDMQ5:o6PMPu4Y6PMPTIIKm6PMPa

Score

1^/10

Malware Config

Signatures

Kills process with taskkill 1 IoCs

evasion

pid	Process
740	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 2 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\International	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\International\AutoDetect = "1"	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	taskkill.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1400	2020	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe	26
PID 2020 wrote to memory of 1400	2020	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe	26
PID 2020 wrote to memory of 1400	2020	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe	26
PID 2020 wrote to memory of 1400	2020	ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe	26
PID 1400 wrote to memory of 740	1400	cmd.exe	28
PID 1400 wrote to memory of 740	1400	cmd.exe	28
PID 1400 wrote to memory of 740	1400	cmd.exe	28
PID 1400 wrote to memory of 740	1400	cmd.exe	28

C:\Users\Admin\AppData\Local\Temp\ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe
"C:\Users\Admin\AppData\Local\Temp\ef89703902a3e55e79b7e4f59679c6ea3662edf3d052ca05dc91cf659cebecc3.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\cmd.exe
  cmd /c taskkill /f /im server.dat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im server.dat
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2020-57-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

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