mylobot | 2325249d2b4634afe7351754a777a5318138ea957b2fd03c54775f87bfedd909

General

Target

3c94204e.exe
Size

250KB
MD5

5c55fc257423acd1ae6382d88b1ee306
SHA1

153a3104fe52062844fed64c7a033d8378f7977f
SHA256

1ec36fc1bb6bce36dd3a82304be237919ede3e6b790b7a248c340042353b5bc0
SHA512

7cf5957892d1abf775284441dae7e2b4db23fe38e047c48ae9a2994c6b582a587fa83312e321c393f504b1bdfced8b6c34c7ca4098f51c7da4081be6c030f8c6
SSDEEP

6144:whUsNSTyEDB1H9ys2rf2y5WhnLe4V6O3OS2:whUsOvDBhwBXWhnpl3S

Score

10^/10

mylobot botnet persistence

Malware Config

Extracted

Family

mylobot

C2

eakalra.ru:1281

op17.ru:6006

zgclgdb.ru:8518

yekfhsh.ru:7372

fasefja.ru:3410

hpifnad.ru:3721

benkofx.ru:3333

fpzskbc.ru:9364

ouxtjzd.ru:8658

schwpxp.ru:2956

pspkgya.ru:2675

lmlwtdm.ru:2768

rzwnsph.ru:5898

awtiwzk.ru:9816

pzljenb.ru:3486

yhjtpyf.ru:3565

ogkbsoq.ru:2553

rjngcbj.ru:5655

jlfeopz.ru:4698

wqcruiz.ru:2165

Signatures

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

Deletes itself 1 IoCs

pid	Process
2616	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\{8A519A51-4A71-EFAC-8CFC-D31C6468763B} = "c:\\programdata\\{1641B261-6241-73BC-8CFC-D31C6468763B}\\bbfe62fe.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 564	1376	3c94204e.exe	27

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\CLSID\{4C64959C-45BC-2999-8CFC-D31C6468763B}	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\CLSID\{1641B262-6242-73BC-8CFC-D31C6468763B}	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\CLSID\{1641B262-6242-73BC-8CFC-D31C6468763B}\ = "1686636706"	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
564	3c94204e.exe
564	3c94204e.exe
2616	svchost.exe
2616	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
564	3c94204e.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 1376 wrote to memory of 564	1376	3c94204e.exe	27
PID 564 wrote to memory of 2616	564	3c94204e.exe	28
PID 564 wrote to memory of 2616	564	3c94204e.exe	28
PID 564 wrote to memory of 2616	564	3c94204e.exe	28
PID 564 wrote to memory of 2616	564	3c94204e.exe	28
PID 564 wrote to memory of 2616	564	3c94204e.exe	28
PID 2616 wrote to memory of 1376	2616	svchost.exe	26
PID 2616 wrote to memory of 1376	2616	svchost.exe	26
PID 2616 wrote to memory of 3556	2616	svchost.exe	29
PID 2616 wrote to memory of 3556	2616	svchost.exe	29
PID 2616 wrote to memory of 3556	2616	svchost.exe	29
PID 2616 wrote to memory of 3556	2616	svchost.exe	29
PID 2616 wrote to memory of 3556	2616	svchost.exe	29
PID 2616 wrote to memory of 3556	2616	svchost.exe	29

C:\Users\Admin\AppData\Local\Temp\3c94204e.exe
"C:\Users\Admin\AppData\Local\Temp\3c94204e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\3c94204e.exe
  "C:\Users\Admin\AppData\Local\Temp\3c94204e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2616
  - - C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      4⤵
      PID:3556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\{1641B261-6241-73BC-8CFC-D31C6468763B}\bbfe62fe.exe

Filesize
250KB

MD5
5c55fc257423acd1ae6382d88b1ee306

SHA1
153a3104fe52062844fed64c7a033d8378f7977f

SHA256
1ec36fc1bb6bce36dd3a82304be237919ede3e6b790b7a248c340042353b5bc0

SHA512
7cf5957892d1abf775284441dae7e2b4db23fe38e047c48ae9a2994c6b582a587fa83312e321c393f504b1bdfced8b6c34c7ca4098f51c7da4081be6c030f8c6

Download Submit
memory/564-67-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-55-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-54-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-58-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-59-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/564-60-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-57-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-63-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-56-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/564-64-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1376-62-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1376-74-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1376-77-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2616-65-0x0000000000080000-0x00000000000BF000-memory.dmp

Filesize
252KB

Download
memory/2616-68-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-69-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-70-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-71-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-72-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-79-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-83-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/2616-66-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/3556-82-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

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