mylobot | a7a4e5ab83f94a9c50b1f806d9ee23332a13ab1a09074001dd46c3615876d9ca

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 11:17

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General

Target

f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe
Size

176KB
MD5

f385812b9554735305babf9dd5d1e3df
SHA1

a4f0177f821cae962346811775d8ec8d8d360aa8
SHA256

a7a4e5ab83f94a9c50b1f806d9ee23332a13ab1a09074001dd46c3615876d9ca
SHA512

8cb77f528d788c562a14340c7d37b0e9a8194cfaa106d0d6aaf15fe7bc2ed803fc469197310cc107d611908a83986a6faf8274dc46fbea26ebeaeedb188c0f07
SSDEEP

3072:af5mKT+UPllVIYAqd3IMZKX5sidmOg17ocb7A+DV71:iT+jYAqBWb4hfn

Score

10^/10

mylobot botnet discovery persistence

Malware Config

Extracted

Family

mylobot

fywkuzp.ru:7432

zdrussle.ru:2173

pseyumd.ru:5492

stydodo.ru:2619

tqzknrx.com:1123

mdcqrxw.com:4984

tpwtgyw.com:9631

cnoyucn.com:9426

qhloury.com:4759

fnjxpwy.com:3863

csxpzlz.com:5778

wlkjopy.com:8778

mynfwwk.com:8427

uuitwxg.com:6656

agnxomu.com:8881

wcagsib.com:3547

fmniltb.com:9582

oapwxiu.com:3922

petrrry.com:7531

poubauo.com:4623

Signatures

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

Executes dropped EXE 2 IoCs

Processes:

vawvdfve.exevawvdfve.exe

pid	Process
2104	vawvdfve.exe
2484	vawvdfve.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nkyab = "C:\\Users\\Admin\\AppData\\Roaming\\ucvvsvdd\\vawvdfve.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exevawvdfve.exe

description	pid	Process	procid_target
PID 1792 set thread context of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 2104 set thread context of 2484	2104	vawvdfve.exe	89

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

Processes:

vawvdfve.execmd.exenotepad.exef385812b9554735305babf9dd5d1e3df_JaffaCakes118.exef385812b9554735305babf9dd5d1e3df_JaffaCakes118.exevawvdfve.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vawvdfve.exe
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	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vawvdfve.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exef385812b9554735305babf9dd5d1e3df_JaffaCakes118.exevawvdfve.exevawvdfve.execmd.exe

description	pid	Process	procid_target
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1792 wrote to memory of 1840	1792	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	84
PID 1840 wrote to memory of 2104	1840	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	87
PID 1840 wrote to memory of 2104	1840	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	87
PID 1840 wrote to memory of 2104	1840	f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe	87
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2104 wrote to memory of 2484	2104	vawvdfve.exe	89
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 2484 wrote to memory of 3684	2484	vawvdfve.exe	90
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92
PID 3684 wrote to memory of 4616	3684	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f385812b9554735305babf9dd5d1e3df_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Users\Admin\AppData\Roaming\ucvvsvdd\vawvdfve.exe
    "C:\Users\Admin\AppData\Roaming\ucvvsvdd\vawvdfve.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Users\Admin\AppData\Roaming\ucvvsvdd\vawvdfve.exe
      "C:\Users\Admin\AppData\Roaming\ucvvsvdd\vawvdfve.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2484
    - - 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:3684
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ucvvsvdd\vawvdfve.exe

Filesize
176KB

MD5
f385812b9554735305babf9dd5d1e3df

SHA1
a4f0177f821cae962346811775d8ec8d8d360aa8

SHA256
a7a4e5ab83f94a9c50b1f806d9ee23332a13ab1a09074001dd46c3615876d9ca

SHA512
8cb77f528d788c562a14340c7d37b0e9a8194cfaa106d0d6aaf15fe7bc2ed803fc469197310cc107d611908a83986a6faf8274dc46fbea26ebeaeedb188c0f07

Download Submit
memory/1792-0-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1840-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1840-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1840-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1840-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2104-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3684-27-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3684-39-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-20-0x0000000000A20000-0x0000000000A35000-memory.dmp

Filesize
84KB

Download
memory/3684-21-0x0000000000A20000-0x0000000000A35000-memory.dmp

Filesize
84KB

Download
memory/3684-18-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3684-28-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-31-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-19-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3684-33-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-23-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/3684-37-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-35-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-40-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3684-54-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/4616-52-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4616-51-0x0000000001320000-0x0000000001321000-memory.dmp

Filesize
4KB

Download
memory/4616-53-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4616-47-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/4616-56-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download