mylobot | b8dac14a9d72d9419fc36c9a108178939acc8ce5f42883e7671638c5d71848f1

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 01:19

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General

Target

1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe
Size

176KB
MD5

1a17d2dd2f3ed6c1b48b1f9ef8a6e275
SHA1

c2361ebbcd449695d3b9d485aab36535c76c16f4
SHA256

b8dac14a9d72d9419fc36c9a108178939acc8ce5f42883e7671638c5d71848f1
SHA512

7c47dcde04fa97b0655f2c22e3a4150fced3e07c42694797780487ecc0805b87bc0ac44707c3e8fe92fe39b7f1239b6374946a2b39f8f9f0b0d2dc545ed0e2c9
SSDEEP

3072:Df53miQ5+fI9W3ENdaQitOwi5iwLbWM0C8Nh5uBO8fNZJDGeKhRpQb:Fmag9aENMQ/bbouNnGeIzQb

Score

10^/10

mylobot botnet 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
2484	vasvtuvr.exe
592	vasvtuvr.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\usjfe = "C:\\Users\\Admin\\AppData\\Roaming\\vrveivdv\\vasvtuvr.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 2484 set thread context of 592	2484	vasvtuvr.exe	30

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 1612 wrote to memory of 2932	1612	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	28
PID 2932 wrote to memory of 2484	2932	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2484	2932	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2484	2932	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	29
PID 2932 wrote to memory of 2484	2932	1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe	29
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 2484 wrote to memory of 592	2484	vasvtuvr.exe	30
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 592 wrote to memory of 840	592	vasvtuvr.exe	31
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33
PID 840 wrote to memory of 3020	840	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1a17d2dd2f3ed6c1b48b1f9ef8a6e275_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Users\Admin\AppData\Roaming\vrveivdv\vasvtuvr.exe
    "C:\Users\Admin\AppData\Roaming\vrveivdv\vasvtuvr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - C:\Users\Admin\AppData\Roaming\vrveivdv\vasvtuvr.exe
      "C:\Users\Admin\AppData\Roaming\vrveivdv\vasvtuvr.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:592
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:840
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        
        PID:3020

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\vrveivdv\vasvtuvr.exe

Filesize
176KB

MD5
1a17d2dd2f3ed6c1b48b1f9ef8a6e275

SHA1
c2361ebbcd449695d3b9d485aab36535c76c16f4

SHA256
b8dac14a9d72d9419fc36c9a108178939acc8ce5f42883e7671638c5d71848f1

SHA512
7c47dcde04fa97b0655f2c22e3a4150fced3e07c42694797780487ecc0805b87bc0ac44707c3e8fe92fe39b7f1239b6374946a2b39f8f9f0b0d2dc545ed0e2c9

Download Submit
memory/592-49-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/592-48-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/840-71-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-75-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-54-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-55-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/840-104-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-79-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-74-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-77-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-67-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-72-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/840-57-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/840-60-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/840-66-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-51-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-105-0x0000000000160000-0x0000000000176000-memory.dmp

Filesize
88KB

Download
memory/1612-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2484-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2484-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-15-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-18-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-17-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-11-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-19-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2932-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3020-102-0x00000000001E0000-0x00000000001F6000-memory.dmp

Filesize
88KB

Download
memory/3020-101-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads