ee2d8c841bb376f17fb4a469cd2bfcdb209e5f537bd3b5791a470066ef18676e

Analysis

max time kernel
133s
max time network
152s
platform
windows10_x64
resource
win10-en-20211208
submitted
31/01/2022, 03:18

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General

Target
8c0b3a94f844d331c6850bfcc34b3eee.exe
Size 5.0MB
Sample220131-dtmlhaecaj
SHA256 ee2d8c841bb376f17fb4a469cd2bfcdb209e5f537bd3b5791a470066ef18676e
MD5 8c0b3a94f844d331c6850bfcc34b3eee
SHA1 b4a50c3ee519295a0d4f88e20419ef486a36b232
SHA512 71217f1698799b00d9b74954afc648e2824fcf1dd281b6f960ab5f66c8777e5eb5a1f040ca8dbe86116e2f50e183a5ed3dc7e6c40d306e83f3218a7b0c6819bf
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2272	services32.exe
936	sihost32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
3476	8c0b3a94f844d331c6850bfcc34b3eee.exe
3476	8c0b3a94f844d331c6850bfcc34b3eee.exe
3476	8c0b3a94f844d331c6850bfcc34b3eee.exe
2272	services32.exe
2272	services32.exe
2272	services32.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
368	conhost.exe
2052	conhost.exe
2052	conhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	conhost.exe
Token: SeDebugPrivilege	2052	conhost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 368	3476	8c0b3a94f844d331c6850bfcc34b3eee.exe	68
PID 3476 wrote to memory of 368	3476	8c0b3a94f844d331c6850bfcc34b3eee.exe	68
PID 3476 wrote to memory of 368	3476	8c0b3a94f844d331c6850bfcc34b3eee.exe	68
PID 368 wrote to memory of 908	368	conhost.exe	70
PID 368 wrote to memory of 908	368	conhost.exe	70
PID 908 wrote to memory of 3660	908	cmd.exe	72
PID 908 wrote to memory of 3660	908	cmd.exe	72
PID 368 wrote to memory of 816	368	conhost.exe	73
PID 368 wrote to memory of 816	368	conhost.exe	73
PID 816 wrote to memory of 2272	816	cmd.exe	75
PID 816 wrote to memory of 2272	816	cmd.exe	75
PID 2272 wrote to memory of 2052	2272	services32.exe	76
PID 2272 wrote to memory of 2052	2272	services32.exe	76
PID 2272 wrote to memory of 2052	2272	services32.exe	76
PID 2052 wrote to memory of 936	2052	conhost.exe	77
PID 2052 wrote to memory of 936	2052	conhost.exe	77
PID 936 wrote to memory of 3128	936	sihost32.exe	80
PID 936 wrote to memory of 3128	936	sihost32.exe	80
PID 936 wrote to memory of 3128	936	sihost32.exe	80

C:\Users\Admin\AppData\Local\Temp\8c0b3a94f844d331c6850bfcc34b3eee.exe
"C:\Users\Admin\AppData\Local\Temp\8c0b3a94f844d331c6850bfcc34b3eee.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\8c0b3a94f844d331c6850bfcc34b3eee.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Windows\System32\cmd.exe
    "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services32" /tr "C:\Users\Admin\AppData\Roaming\services32.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:908
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "services32" /tr "C:\Users\Admin\AppData\Roaming\services32.exe"
      4⤵
      Creates scheduled task(s)
      PID:3660
- - C:\Windows\System32\cmd.exe
    "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\services32.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:816
  - - C:\Users\Admin\AppData\Roaming\services32.exe
      C:\Users\Admin\AppData\Roaming\services32.exe
      4⤵
      Executes dropped EXE
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious use of WriteProcessMemory
      PID:2272
    - - C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Roaming\services32.exe"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2052
      - C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost32.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:936
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "/sihost32"
        7⤵
        
        PID:3128

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

Replay Monitor

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Downloads

memory/368-150-0x000002412D4E0000-0x000002412D6D2000-memory.dmp

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memory/368-151-0x000002412D2D0000-0x000002412D2D2000-memory.dmp

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memory/368-153-0x000002412D2D3000-0x000002412D2D5000-memory.dmp

Download

memory/368-149-0x0000024112B60000-0x0000024112D51000-memory.dmp

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memory/368-154-0x000002412D2D6000-0x000002412D2D7000-memory.dmp

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memory/368-155-0x0000024114B00000-0x0000024114B12000-memory.dmp

Download

memory/2052-202-0x000002D572DD0000-0x000002D572DD2000-memory.dmp

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memory/2052-203-0x000002D572DD3000-0x000002D572DD5000-memory.dmp

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memory/2052-204-0x000002D572DD6000-0x000002D572DD7000-memory.dmp

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memory/2272-188-0x0000000000400000-0x0000000001436000-memory.dmp

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memory/3128-210-0x000001E330490000-0x000001E330496000-memory.dmp

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memory/3128-213-0x000001E348FE0000-0x000001E348FE2000-memory.dmp

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memory/3128-212-0x000001E32EA20000-0x000001E32EA26000-memory.dmp

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memory/3128-214-0x000001E348FE3000-0x000001E348FE5000-memory.dmp

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memory/3128-215-0x000001E348FE6000-0x000001E348FE7000-memory.dmp

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memory/3476-144-0x00007FF5FFAF0000-0x00007FF5FFEC1000-memory.dmp

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memory/3476-143-0x0000000000400000-0x0000000001436000-memory.dmp

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