77c159185faa334e80e1905791e5baa2b366b2017c4a37b458cedbcb1baabb2c

Analysis

max time kernel
91s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/11/2022, 04:01

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General

Target
file.exe
Size 1.0MB
Sample221116-ek72hsha89
SHA256 77c159185faa334e80e1905791e5baa2b366b2017c4a37b458cedbcb1baabb2c
MD5 8b9370aa511637d48ae5d8f8a875cccb
SHA1 a0effe71087eefe0cb2013b49fbdf953e784c71a
SHA512 e4089605c6bafbf696005c70715e3166209ec9c42802a26842cd861ea60b588a7625fcdf9fe5d38b1c05050b2e8f025d3e9bff164f08723c4e76c6e3b3e08847
SSDEEP 24576:+pzDTo+VBs38KrrO/7SDzzuXWnBHEW7WlmcZcgyHjarnCdF4+P:+pzDTtVBsRa/WDnHz7WsngyHhz4y
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4368	AVPTQBAEW.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	AVPTQBAEW.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
3788	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4192	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2964	powershell.exe
2964	powershell.exe
716	powershell.exe
716	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	file.exe
Token: SeDebugPrivilege	2964	powershell.exe
Token: SeDebugPrivilege	4368	AVPTQBAEW.exe
Token: SeDebugPrivilege	716	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2964	2376	file.exe	79
PID 2376 wrote to memory of 2964	2376	file.exe	79
PID 2376 wrote to memory of 4580	2376	file.exe	81
PID 2376 wrote to memory of 4580	2376	file.exe	81
PID 4580 wrote to memory of 4192	4580	cmd.exe	83
PID 4580 wrote to memory of 4192	4580	cmd.exe	83
PID 4580 wrote to memory of 4368	4580	cmd.exe	86
PID 4580 wrote to memory of 4368	4580	cmd.exe	86
PID 4368 wrote to memory of 716	4368	AVPTQBAEW.exe	90
PID 4368 wrote to memory of 716	4368	AVPTQBAEW.exe	90
PID 4368 wrote to memory of 1080	4368	AVPTQBAEW.exe	93
PID 4368 wrote to memory of 1080	4368	AVPTQBAEW.exe	93
PID 1080 wrote to memory of 3788	1080	cmd.exe	96
PID 1080 wrote to memory of 3788	1080	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2964
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFA43.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4192
- - C:\ProgramData\WindowsMail\AVPTQBAEW.exe
    "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4368
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:716
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1080
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:3788

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

AVPTQBAEW.exe

Path C:\ProgramData\WindowsMail\AVPTQBAEW.exe
Size 1.0MB
SHA256 77c159185faa334e80e1905791e5baa2b366b2017c4a37b458cedbcb1baabb2c
MD5 8b9370aa511637d48ae5d8f8a875cccb
SHA1 a0effe71087eefe0cb2013b49fbdf953e784c71a
SHA512 e4089605c6bafbf696005c70715e3166209ec9c42802a26842cd861ea60b588a7625fcdf9fe5d38b1c05050b2e8f025d3e9bff164f08723c4e76c6e3b3e08847
SSDEEP 24576:+pzDTo+VBs38KrrO/7SDzzuXWnBHEW7WlmcZcgyHjarnCdF4+P:+pzDTtVBsRa/WDnHz7WsngyHhz4y
MD5 SHA1 SHA512 SSDEEP

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AVPTQBAEW.exe

Path C:\ProgramData\WindowsMail\AVPTQBAEW.exe
Size 1.0MB
SHA256 77c159185faa334e80e1905791e5baa2b366b2017c4a37b458cedbcb1baabb2c
MD5 8b9370aa511637d48ae5d8f8a875cccb
SHA1 a0effe71087eefe0cb2013b49fbdf953e784c71a
SHA512 e4089605c6bafbf696005c70715e3166209ec9c42802a26842cd861ea60b588a7625fcdf9fe5d38b1c05050b2e8f025d3e9bff164f08723c4e76c6e3b3e08847
SSDEEP 24576:+pzDTo+VBs38KrrO/7SDzzuXWnBHEW7WlmcZcgyHjarnCdF4+P:+pzDTtVBsRa/WDnHz7WsngyHhz4y
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
MD5 2e907f77659a6601fcc408274894da2e
SHA1 9f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA512 34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721
MD5 SHA1 SHA512

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tmpFA43.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpFA43.tmp.bat
Size 149B
SHA256 a36b2f1f5bbd074a109e435d80ee19d6ae1c9760e9737ae87103f70423db9a6a
MD5 ea445701ea88f48d669444052f7a248d
SHA1 8df7bf6b08346e6d64102c4faa8bc375829ca611
SHA512 c47b500ad7937e4d45a045c9d194ab87b19e82927c43fc2e95077c7bdbee37f16d45b983747119c4e2f121d9a57fa00d38cfd5cd41024d4cf19a3dfd638d8280
MD5 SHA1 SHA512

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memory/716-176-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/716-178-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/2376-145-0x000000001DED0000-0x000000001E3F8000-memory.dmp

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memory/2376-148-0x0000000000AE0000-0x0000000000C76000-memory.dmp

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memory/2376-144-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/2376-142-0x0000000000AE0000-0x0000000000C76000-memory.dmp

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memory/2376-133-0x00007FF88E1D0000-0x00007FF88E27A000-memory.dmp

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memory/2376-141-0x00007FF89C4E0000-0x00007FF89C50B000-memory.dmp

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memory/2376-149-0x0000000000D00000-0x0000000000D41000-memory.dmp

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memory/2376-143-0x00007FF87F5F0000-0x00007FF87F73E000-memory.dmp

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memory/2376-140-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/2376-151-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/2376-139-0x0000000000D00000-0x0000000000D41000-memory.dmp

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memory/2376-138-0x00007FF89C690000-0x00007FF89C831000-memory.dmp

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memory/2376-137-0x0000000000AE0000-0x0000000000C76000-memory.dmp

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memory/2376-136-0x00007FF87F740000-0x00007FF87F7FD000-memory.dmp

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memory/2376-135-0x00007FF898090000-0x00007FF8980A2000-memory.dmp

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memory/2376-134-0x00007FF89BE30000-0x00007FF89BECE000-memory.dmp

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memory/2964-155-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/2964-150-0x0000027F4A890000-0x0000027F4A8B2000-memory.dmp

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memory/2964-154-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/4368-162-0x00007FF898090000-0x00007FF8980A2000-memory.dmp

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memory/4368-168-0x0000000000860000-0x00000000009F6000-memory.dmp

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memory/4368-169-0x0000000001320000-0x0000000001361000-memory.dmp

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memory/4368-167-0x0000000000860000-0x00000000009F6000-memory.dmp

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memory/4368-170-0x00007FF87F540000-0x00007FF87F68E000-memory.dmp

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memory/4368-171-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/4368-164-0x00007FF89C690000-0x00007FF89C831000-memory.dmp

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memory/4368-160-0x00007FF87F750000-0x00007FF87F7FA000-memory.dmp

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memory/4368-161-0x00007FF89BE30000-0x00007FF89BECE000-memory.dmp

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memory/4368-165-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/4368-166-0x00007FF89C4E0000-0x00007FF89C50B000-memory.dmp

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memory/4368-163-0x00007FF87F690000-0x00007FF87F74D000-memory.dmp

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memory/4368-185-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp

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memory/4368-179-0x00007FF89A460000-0x00007FF89A487000-memory.dmp

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memory/4368-180-0x00007FF87F230000-0x00007FF87F265000-memory.dmp

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memory/4368-181-0x00007FF879870000-0x00007FF879972000-memory.dmp

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memory/4368-182-0x00007FF89C5C0000-0x00007FF89C62B000-memory.dmp

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memory/4368-183-0x00007FF899540000-0x00007FF89957B000-memory.dmp

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memory/4368-184-0x0000000000860000-0x00000000009F6000-memory.dmp

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