cf76b2cc655f76e7df806a1d5061747e098d5be4ce291f956d838852a7fabdec

Analysis

max time kernel
139s
max time network
141s
platform
windows7_x64
resource
win7-en
submitted
09/09/2021, 00:19

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General

Target
0d910ac26cfee63a97c97c689540a9dc.exe
Size 281KB
Sample210909-al7d6aaeap
SHA256 cf76b2cc655f76e7df806a1d5061747e098d5be4ce291f956d838852a7fabdec
MD5 0d910ac26cfee63a97c97c689540a9dc
SHA1 93d7818029854d47e6fc8347b7aa062fec35fcad
SHA512 4b8a4b44731af663f5f02e6a53c11a757e10aba093a43e7be160a2b03be9c2491b898534165507ddc34877bab15196d7ef48edb5a4aa43441e17f38af394ebe3
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1240	sihost.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
684	schtasks.exe
1700	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 1700	1664	0d910ac26cfee63a97c97c689540a9dc.exe	29
PID 1664 wrote to memory of 1700	1664	0d910ac26cfee63a97c97c689540a9dc.exe	29
PID 1664 wrote to memory of 1700	1664	0d910ac26cfee63a97c97c689540a9dc.exe	29
PID 1664 wrote to memory of 1700	1664	0d910ac26cfee63a97c97c689540a9dc.exe	29
PID 1176 wrote to memory of 1240	1176	taskeng.exe	33
PID 1176 wrote to memory of 1240	1176	taskeng.exe	33
PID 1176 wrote to memory of 1240	1176	taskeng.exe	33
PID 1176 wrote to memory of 1240	1176	taskeng.exe	33
PID 1240 wrote to memory of 684	1240	sihost.exe	34
PID 1240 wrote to memory of 684	1240	sihost.exe	34
PID 1240 wrote to memory of 684	1240	sihost.exe	34
PID 1240 wrote to memory of 684	1240	sihost.exe	34

C:\Users\Admin\AppData\Local\Temp\0d910ac26cfee63a97c97c689540a9dc.exe
"C:\Users\Admin\AppData\Local\Temp\0d910ac26cfee63a97c97c689540a9dc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
  2⤵
  - Creates scheduled task(s)
  PID:1700

C:\Windows\system32\taskeng.exe
taskeng.exe {2F465BB8-A082-4AFB-A08A-6BD608D791E3} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
    3⤵
    - Creates scheduled task(s)
    PID:684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1240-61-0x0000000000400000-0x0000000002B52000-memory.dmp

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memory/1664-52-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

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memory/1664-54-0x00000000003A0000-0x00000000003A4000-memory.dmp

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memory/1664-55-0x0000000000400000-0x0000000002B52000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads