mylobot | af54c0dfe1e9bdc7a64051aeff14ee70a8b8371c5374f11beef28cf77a75cd71

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 01:42

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General

Target

db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe
Size

176KB
MD5

db985413812a7508f56a537e7fcf92dd
SHA1

ab65292060648492ac81a9a705565b202e53a77e
SHA256

af54c0dfe1e9bdc7a64051aeff14ee70a8b8371c5374f11beef28cf77a75cd71
SHA512

f063fbf0fed8be062f4077ba9d65fa23fcf17b90e4a62862cce648069dc93a827fa48d533196674940134a01f2c4bf1a912f0c7f1433a31b8022948db2f762ea
SSDEEP

3072:Of5o95zR6N78SuYjKIqUBZCXVYYlfAxTMYhflqA0J4:rzRSASupUB82TDhNB

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:

vfrvajvi.exevfrvajvi.exe

pid	Process
4132	vfrvajvi.exe
1512	vfrvajvi.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uddvy = "C:\\Users\\Admin\\AppData\\Roaming\\vvvvbvuu\\vfrvajvi.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exevfrvajvi.exe

description	pid	Process	procid_target
PID 4032 set thread context of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4132 set thread context of 1512	4132	vfrvajvi.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:

vfrvajvi.execmd.exenotepad.exedb985413812a7508f56a537e7fcf92dd_JaffaCakes118.exedb985413812a7508f56a537e7fcf92dd_JaffaCakes118.exevfrvajvi.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vfrvajvi.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	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vfrvajvi.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exedb985413812a7508f56a537e7fcf92dd_JaffaCakes118.exevfrvajvi.exevfrvajvi.execmd.exe

description	pid	Process	procid_target
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 4032 wrote to memory of 1388	4032	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	87
PID 1388 wrote to memory of 4132	1388	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	88
PID 1388 wrote to memory of 4132	1388	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	88
PID 1388 wrote to memory of 4132	1388	db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe	88
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 4132 wrote to memory of 1512	4132	vfrvajvi.exe	89
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1512 wrote to memory of 1052	1512	vfrvajvi.exe	90
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92
PID 1052 wrote to memory of 4556	1052	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Users\Admin\AppData\Local\Temp\db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db985413812a7508f56a537e7fcf92dd_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Users\Admin\AppData\Roaming\vvvvbvuu\vfrvajvi.exe
    "C:\Users\Admin\AppData\Roaming\vvvvbvuu\vfrvajvi.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4132
  - - C:\Users\Admin\AppData\Roaming\vvvvbvuu\vfrvajvi.exe
      "C:\Users\Admin\AppData\Roaming\vvvvbvuu\vfrvajvi.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1512
    - - 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:1052
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4556

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\vvvvbvuu\vfrvajvi.exe

Filesize
176KB

MD5
db985413812a7508f56a537e7fcf92dd

SHA1
ab65292060648492ac81a9a705565b202e53a77e

SHA256
af54c0dfe1e9bdc7a64051aeff14ee70a8b8371c5374f11beef28cf77a75cd71

SHA512
f063fbf0fed8be062f4077ba9d65fa23fcf17b90e4a62862cce648069dc93a827fa48d533196674940134a01f2c4bf1a912f0c7f1433a31b8022948db2f762ea

Download Submit
memory/1052-36-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-23-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/1052-27-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1052-40-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-32-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-55-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-18-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1052-38-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-20-0x0000000001830000-0x0000000001845000-memory.dmp

Filesize
84KB

Download
memory/1052-54-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1052-21-0x0000000001830000-0x0000000001845000-memory.dmp

Filesize
84KB

Download
memory/1052-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-35-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1052-19-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1388-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1388-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1388-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1388-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4032-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4132-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4132-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4556-52-0x0000000003D20000-0x0000000003D36000-memory.dmp

Filesize
88KB

Download
memory/4556-51-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/4556-53-0x0000000003D20000-0x0000000003D36000-memory.dmp

Filesize
88KB

Download
memory/4556-47-0x00000000020C0000-0x00000000020C1000-memory.dmp

Filesize
4KB

Download