dc628ccba76f61f9e7ba2d4a5fd87cfb8f83769f8a03ff452c70c5c62eefa482

Analysis

max time kernel
82s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
24/09/2021, 06:44

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General

Target
29889f931288b088eaa4df3a3f0d6189.exe
Size 107KB
Sample210924-hhlbhsgbe2
SHA256 dc628ccba76f61f9e7ba2d4a5fd87cfb8f83769f8a03ff452c70c5c62eefa482
MD5 29889f931288b088eaa4df3a3f0d6189
SHA1 1938dd056544c797663e4bbeb59da59f6e57a40a
SHA512 d969073368a2b51555c875da4312662d2d6f0bb3d437f206fe999a56b12145899bbe39488dafd8871f13d45d8bd622faa8e6031099316e16c83c45efe38b98a2
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2476	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
804	schtasks.exe
3548	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 804	636	29889f931288b088eaa4df3a3f0d6189.exe	68
PID 636 wrote to memory of 804	636	29889f931288b088eaa4df3a3f0d6189.exe	68
PID 636 wrote to memory of 804	636	29889f931288b088eaa4df3a3f0d6189.exe	68
PID 2476 wrote to memory of 3548	2476	sihost.exe	77
PID 2476 wrote to memory of 3548	2476	sihost.exe	77
PID 2476 wrote to memory of 3548	2476	sihost.exe	77

C:\Users\Admin\AppData\Local\Temp\29889f931288b088eaa4df3a3f0d6189.exe
"C:\Users\Admin\AppData\Local\Temp\29889f931288b088eaa4df3a3f0d6189.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- 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:804

C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2476
- 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:3548

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/636-116-0x0000000000400000-0x00000000004A2000-memory.dmp

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memory/636-115-0x00000000001D0000-0x00000000001D4000-memory.dmp

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memory/2476-121-0x0000000000400000-0x00000000004A2000-memory.dmp

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memory/2476-120-0x00000000004B0000-0x000000000055E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads