349d8acfa7f788d6c886016688df9857ee7a915f7690871231c8ca39a5bf2948

Analysis

max time kernel
45s
max time network
45s
platform
windows7_x64
resource
win7v20210408
submitted
08/09/2021, 23:17

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General

Target
cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe
Size 281KB
Sample210908-29pmssadfl
SHA256 349d8acfa7f788d6c886016688df9857ee7a915f7690871231c8ca39a5bf2948
MD5 cbdd7e3ccea8e6cfae0dddf8fe6f6599
SHA1 9fccd6f224f006b0a233f345e0998e3d5eda5708
SHA512 e391c7e11c78af1b7e3720a9aa26ea1a599cf02ed7af170ddd1d0614e1da5cbe92d00ca765844bf42532ddefdc2e48d68b09369f9580ce72c21f8273bd21fe7b
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1212	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
1752	schtasks.exe
1272	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1752	1076	cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe	29
PID 1076 wrote to memory of 1752	1076	cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe	29
PID 1076 wrote to memory of 1752	1076	cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe	29
PID 1076 wrote to memory of 1752	1076	cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe	29
PID 1064 wrote to memory of 1212	1064	taskeng.exe	32
PID 1064 wrote to memory of 1212	1064	taskeng.exe	32
PID 1064 wrote to memory of 1212	1064	taskeng.exe	32
PID 1064 wrote to memory of 1212	1064	taskeng.exe	32
PID 1212 wrote to memory of 1272	1212	sihost.exe	33
PID 1212 wrote to memory of 1272	1212	sihost.exe	33
PID 1212 wrote to memory of 1272	1212	sihost.exe	33
PID 1212 wrote to memory of 1272	1212	sihost.exe	33

C:\Users\Admin\AppData\Local\Temp\cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe
"C:\Users\Admin\AppData\Local\Temp\cbdd7e3ccea8e6cfae0dddf8fe6f6599.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1076
- 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:1752

C:\Windows\system32\taskeng.exe
taskeng.exe {925E6B37-8F7D-4CEE-BCF3-4EE95AADDCA8} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- 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:1212
- - 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:1272

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/1076-60-0x0000000075041000-0x0000000075043000-memory.dmp

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memory/1076-62-0x0000000000220000-0x0000000000224000-memory.dmp

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memory/1076-63-0x0000000000400000-0x0000000002B52000-memory.dmp

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memory/1212-69-0x0000000000400000-0x0000000002B52000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads