mylobot | d50f7ead9e1d87a6b2f0812996bc8e4e9b1524b35324b75eeba9616cfc782b91

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/03/2025, 15:14

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General

Target

rid.gif.exe
Size

367KB
MD5

871e489e879885db39c583b5cd90bc30
SHA1

19897738a379bfce7f1a19be11885f2334acadd8
SHA256

d50f7ead9e1d87a6b2f0812996bc8e4e9b1524b35324b75eeba9616cfc782b91
SHA512

b3a965841b33c55f0ab6d41a459eeeb66a29fd3b114bc82ccf953d0c459858755c97970152e346e794c2674a9cf9bd219014ecf344f3ce4ee2cfe9a2c4572fd3
SSDEEP

6144:aPeWTE1rkt826L4xd1EiftWt6empEVZlVISrt5AuK+FqktodbFQy+:aPbTE1rkt826L4xd1EiEt6empQ+uK+U8

Score

10^/10

mylobot botnet discovery persistence

Malware Config

Extracted

Family

mylobot

onthestage.ru:6521

krebson.ru:4685

stanislasarnoud.ru:5739

Signatures

Mylobot
Botnet which first appeared in 2017 written in C++.
botnet mylobot
Mylobot family
mylobot

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Executes dropped EXE 2 IoCs

pid	Process
2712	ubruscub.exe
2600	ubruscub.exe

Loads dropped DLL 2 IoCs

pid	Process
2736	rid.gif.exe
2712	ubruscub.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\xoaos = "C:\\Users\\Admin\\AppData\\Roaming\\ceuqquug\\ubruscub.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2736	2520	rid.gif.exe	30
PID 2712 set thread context of 2600	2712	ubruscub.exe	32

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rid.gif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rid.gif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ubruscub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ubruscub.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	explorer.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe
Token: SeShutdownPrivilege	2996	explorer.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe

Suspicious use of SendNotifyMessage 20 IoCs

pid	Process
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe
2996	explorer.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2520 wrote to memory of 2736	2520	rid.gif.exe	30
PID 2736 wrote to memory of 2712	2736	rid.gif.exe	31
PID 2736 wrote to memory of 2712	2736	rid.gif.exe	31
PID 2736 wrote to memory of 2712	2736	rid.gif.exe	31
PID 2736 wrote to memory of 2712	2736	rid.gif.exe	31
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2712 wrote to memory of 2600	2712	ubruscub.exe	32
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 2600 wrote to memory of 1584	2600	ubruscub.exe	33
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35
PID 1584 wrote to memory of 2912	1584	cmd.exe	35

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\rid.gif.exe
"C:\Users\Admin\AppData\Local\Temp\rid.gif.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\rid.gif.exe
  "C:\Users\Admin\AppData\Local\Temp\rid.gif.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Users\Admin\AppData\Roaming\ceuqquug\ubruscub.exe
    "C:\Users\Admin\AppData\Roaming\ceuqquug\ubruscub.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2712
  - - C:\Users\Admin\AppData\Roaming\ceuqquug\ubruscub.exe
      "C:\Users\Admin\AppData\Roaming\ceuqquug\ubruscub.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2600
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1584
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2912

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\ceuqquug\ubruscub.exe

Filesize
367KB

MD5
871e489e879885db39c583b5cd90bc30

SHA1
19897738a379bfce7f1a19be11885f2334acadd8

SHA256
d50f7ead9e1d87a6b2f0812996bc8e4e9b1524b35324b75eeba9616cfc782b91

SHA512
b3a965841b33c55f0ab6d41a459eeeb66a29fd3b114bc82ccf953d0c459858755c97970152e346e794c2674a9cf9bd219014ecf344f3ce4ee2cfe9a2c4572fd3

Download Submit
memory/1584-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-98-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1584-77-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-72-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-73-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-56-0x00000000000C0000-0x00000000000C8000-memory.dmp

Filesize
32KB

Download
memory/1584-53-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1584-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1584-54-0x00000000000C0000-0x00000000000C8000-memory.dmp

Filesize
32KB

Download
memory/1584-65-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1584-50-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1584-59-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2520-0-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

Filesize
4KB

Download
memory/2600-49-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-76-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2712-28-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2736-3-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-1-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-19-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-17-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-15-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-9-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2736-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-97-0x00000000001E0000-0x00000000001EB000-memory.dmp

Filesize
44KB

Download
memory/2912-96-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads