ee2d8c841bb376f17fb4a469cd2bfcdb209e5f537bd3b5791a470066ef18676e

Analysis

max time kernel
153s
max time network
120s
platform
windows7_x64
resource
win7-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
1524	services32.exe
1588	sihost32.exe

Loads dropped DLL 4 IoCs

pid	Process
1112	cmd.exe
1112	cmd.exe
896	conhost.exe
896	conhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1684	8c0b3a94f844d331c6850bfcc34b3eee.exe
1684	8c0b3a94f844d331c6850bfcc34b3eee.exe
1684	8c0b3a94f844d331c6850bfcc34b3eee.exe
1524	services32.exe
1524	services32.exe
1524	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
1172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1368	conhost.exe
896	conhost.exe
896	conhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	conhost.exe
Token: SeDebugPrivilege	896	conhost.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1368	1684	8c0b3a94f844d331c6850bfcc34b3eee.exe	27
PID 1684 wrote to memory of 1368	1684	8c0b3a94f844d331c6850bfcc34b3eee.exe	27
PID 1684 wrote to memory of 1368	1684	8c0b3a94f844d331c6850bfcc34b3eee.exe	27
PID 1684 wrote to memory of 1368	1684	8c0b3a94f844d331c6850bfcc34b3eee.exe	27
PID 1368 wrote to memory of 1824	1368	conhost.exe	29
PID 1368 wrote to memory of 1824	1368	conhost.exe	29
PID 1368 wrote to memory of 1824	1368	conhost.exe	29
PID 1824 wrote to memory of 1172	1824	cmd.exe	31
PID 1824 wrote to memory of 1172	1824	cmd.exe	31
PID 1824 wrote to memory of 1172	1824	cmd.exe	31
PID 1368 wrote to memory of 1112	1368	conhost.exe	32
PID 1368 wrote to memory of 1112	1368	conhost.exe	32
PID 1368 wrote to memory of 1112	1368	conhost.exe	32
PID 1112 wrote to memory of 1524	1112	cmd.exe	34
PID 1112 wrote to memory of 1524	1112	cmd.exe	34
PID 1112 wrote to memory of 1524	1112	cmd.exe	34
PID 1524 wrote to memory of 896	1524	services32.exe	37
PID 1524 wrote to memory of 896	1524	services32.exe	37
PID 1524 wrote to memory of 896	1524	services32.exe	37
PID 1524 wrote to memory of 896	1524	services32.exe	37
PID 896 wrote to memory of 1588	896	conhost.exe	38
PID 896 wrote to memory of 1588	896	conhost.exe	38
PID 896 wrote to memory of 1588	896	conhost.exe	38
PID 1588 wrote to memory of 1632	1588	sihost32.exe	39
PID 1588 wrote to memory of 1632	1588	sihost32.exe	39
PID 1588 wrote to memory of 1632	1588	sihost32.exe	39
PID 1588 wrote to memory of 1632	1588	sihost32.exe	39

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:1684
- 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:1368
- - 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:1824
  - - 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:1172
- - C:\Windows\System32\cmd.exe
    "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\services32.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1112
  - - 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:1524
    - - C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Roaming\services32.exe"
        5⤵
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:896
      - 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:1588
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "/sihost32"
        7⤵
        
        PID:1632

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/896-124-0x000000001AF77000-0x000000001AF78000-memory.dmp

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memory/896-123-0x000000001AF76000-0x000000001AF77000-memory.dmp

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memory/896-121-0x000000001AF72000-0x000000001AF74000-memory.dmp

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memory/896-122-0x000000001AF74000-0x000000001AF76000-memory.dmp

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memory/1368-85-0x000000001AFE2000-0x000000001AFE4000-memory.dmp

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memory/1368-83-0x0000000000110000-0x0000000000301000-memory.dmp

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memory/1368-88-0x000000001AFE7000-0x000000001AFE8000-memory.dmp

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memory/1368-86-0x000000001AFE4000-0x000000001AFE6000-memory.dmp

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memory/1368-87-0x000000001AFE6000-0x000000001AFE7000-memory.dmp

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memory/1368-84-0x000000001B250000-0x000000001B442000-memory.dmp

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memory/1524-119-0x0000000000400000-0x0000000001436000-memory.dmp

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memory/1524-120-0x0000000077170000-0x000000007728F000-memory.dmp

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memory/1632-130-0x000000001ADE2000-0x000000001ADE4000-memory.dmp

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memory/1632-128-0x0000000000060000-0x0000000000066000-memory.dmp

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memory/1632-129-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/1632-131-0x000000001ADE4000-0x000000001ADE6000-memory.dmp

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memory/1632-132-0x000000001ADE6000-0x000000001ADE7000-memory.dmp

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memory/1632-133-0x000000001ADE7000-0x000000001ADE8000-memory.dmp

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memory/1684-82-0x0000000077170000-0x000000007728F000-memory.dmp

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memory/1684-81-0x0000000000400000-0x0000000001436000-memory.dmp

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memory/1684-54-0x000007FFFFBD0000-0x000007FFFFFA1000-memory.dmp

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