mylobot | ed5b17040007de7e88719165fd9cee92257576944a5b30f546db2f4233c7dd95

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2024, 05:21

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General

Target

e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe
Size

176KB
MD5

e4168664d0ac57a561a6c356a8d1da04
SHA1

de0dbbeb424782d1baee41ca86792b777f7efe68
SHA256

ed5b17040007de7e88719165fd9cee92257576944a5b30f546db2f4233c7dd95
SHA512

a689d1b3ba397285211c7a506296ecd4535d843deaea2d5755c9be4445ecc794dfee0ea8225346059bfe9267c500c79be1f9eed3d129e7fa3ee945db34df817e
SSDEEP

3072:Sf5qRGCO91m2mKWN/9mI27clZKyv6lUUnv0/kB+e+t/faJCULqq5dJJNt/:DICOO2o6KZKq6lUtsy/SJCUmmPt/

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

pid	Process
3876	vgbvwwvf.exe
4516	vgbvwwvf.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rqfnd = "C:\\Users\\Admin\\AppData\\Roaming\\gcvihvcc\\vgbvwwvf.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4564 set thread context of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 3876 set thread context of 4516	3876	vgbvwwvf.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vgbvwwvf.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	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vgbvwwvf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3296	cmd.exe
3296	cmd.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 4564 wrote to memory of 2436	4564	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	86
PID 2436 wrote to memory of 3876	2436	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	87
PID 2436 wrote to memory of 3876	2436	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	87
PID 2436 wrote to memory of 3876	2436	e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe	87
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 3876 wrote to memory of 4516	3876	vgbvwwvf.exe	89
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 4516 wrote to memory of 3296	4516	vgbvwwvf.exe	90
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92
PID 3296 wrote to memory of 4164	3296	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Users\Admin\AppData\Local\Temp\e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e4168664d0ac57a561a6c356a8d1da04_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Users\Admin\AppData\Roaming\gcvihvcc\vgbvwwvf.exe
    "C:\Users\Admin\AppData\Roaming\gcvihvcc\vgbvwwvf.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3876
  - - C:\Users\Admin\AppData\Roaming\gcvihvcc\vgbvwwvf.exe
      "C:\Users\Admin\AppData\Roaming\gcvihvcc\vgbvwwvf.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4516
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3296
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4164

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\gcvihvcc\vgbvwwvf.exe

Filesize
176KB

MD5
e4168664d0ac57a561a6c356a8d1da04

SHA1
de0dbbeb424782d1baee41ca86792b777f7efe68

SHA256
ed5b17040007de7e88719165fd9cee92257576944a5b30f546db2f4233c7dd95

SHA512
a689d1b3ba397285211c7a506296ecd4535d843deaea2d5755c9be4445ecc794dfee0ea8225346059bfe9267c500c79be1f9eed3d129e7fa3ee945db34df817e

Download Submit
memory/2436-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2436-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2436-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2436-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3296-36-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-33-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-18-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/3296-19-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/3296-20-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/3296-23-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/3296-21-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/3296-28-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-27-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/3296-31-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-54-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-40-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-38-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3296-35-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/3876-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3876-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4164-47-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/4164-52-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4164-51-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/4164-53-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4564-0-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download