0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 06:46

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General

Target

0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd.exe
Size

610KB
MD5

0a1e5a7a20553e740738aac0c4f05e00
SHA1

e6c33483a7b5d6fc156883fd402e0ba51af9f444
SHA256

0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd
SHA512

c1247af96c65a22415d8796276316e628c1b6bbd2ce286cf5da991f55af48feaeee0cf8cc8950a9a6ecf4a737742e6184feb6470aba06d4278b4c23fafc58d93
SSDEEP

12288:iXk0E1Av7e/nS7Rh6nrCrQG+txCP1KS5wYV/h:90oAC/2OrMYHUcS7J

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1100	jjruejn.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\jjruejn.exe	0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1100	1936	taskeng.exe	28
PID 1936 wrote to memory of 1100	1936	taskeng.exe	28
PID 1936 wrote to memory of 1100	1936	taskeng.exe	28
PID 1936 wrote to memory of 1100	1936	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd.exe
"C:\Users\Admin\AppData\Local\Temp\0aa508554173433adc6bba309a200775ba4fa7ff79efea97196018ce79410fbd.exe"
1⤵
- Drops file in Program Files directory
PID:1448

C:\Windows\system32\taskeng.exe
taskeng.exe {437C3836-1C6C-41A2-9274-AB0DB41FF0A0} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
610KB

MD5
b362e901eca0de97dd727d346b6812d0

SHA1
120160282b3f6d6c03556db7d3dbe43772a85c80

SHA256
a56702e07266ab5889e2b80f9707c7f3d93fb51a7379569962c5bed9ee549dfa

SHA512
2c49cb012f5b3c19d7302017c2433ec37617efe58a9712c7753bdcd09b296943e4d186f965d03e6b6aeba9751d8661ead38b2b9352a31b10f9895e5ee47b8926

Download Submit
C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
610KB

MD5
b362e901eca0de97dd727d346b6812d0

SHA1
120160282b3f6d6c03556db7d3dbe43772a85c80

SHA256
a56702e07266ab5889e2b80f9707c7f3d93fb51a7379569962c5bed9ee549dfa

SHA512
2c49cb012f5b3c19d7302017c2433ec37617efe58a9712c7753bdcd09b296943e4d186f965d03e6b6aeba9751d8661ead38b2b9352a31b10f9895e5ee47b8926

Download Submit
memory/1448-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1448-55-0x0000000000230000-0x000000000028B000-memory.dmp

Filesize
364KB

Download