mylobot | 533eea9cea752b72c34cd94727cb6d536e8153f01a61a61cdc367080c474d268

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2023 12:27

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General

Target

EXonts.exe
Size

110KB
MD5

ad4dcd0935d159515de56dbb9bb42402
SHA1

c4a309ad63dddd4c3a94cd6da13629a0a0d5d9b0
SHA256

533eea9cea752b72c34cd94727cb6d536e8153f01a61a61cdc367080c474d268
SHA512

8c117ca7415236f5196ac8d62f2749f5dfba35e6632fc4adf51c8885e241570435182b2dcf23eed7da7c2b18384dbdfac40b2788281010f5f49934dc6f5c1064
SSDEEP

1536:wLE75HunPrf5WR8LK9OY0zm778folWR8g2l7/FpiBtAJ0EZil1gHGXyvy0Ona:wRf5WRZOY0z0MWlf/QaJhuloyxa

Score

10^/10

mylobot botnet persistence

Malware Config

Extracted

Family

mylobot

onthestage.ru:6521

stanislasarnoud.ru:5739

krebson.ru:4685

Signatures

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

Executes dropped EXE 2 IoCs

Processes:

utpuqruh.exeutpuqruh.exe

pid	Process
4812	utpuqruh.exe
3112	utpuqruh.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-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bpglh = "C:\\Users\\Admin\\AppData\\Roaming\\reuyduuy\\utpuqruh.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

EXonts.exeutpuqruh.exe

description	pid	Process	procid_target
PID 3404 set thread context of 4188	3404	EXonts.exe	83
PID 4812 set thread context of 3112	4812	utpuqruh.exe	88

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

EXonts.exeEXonts.exeutpuqruh.exeutpuqruh.execmd.exe

description	pid	Process	procid_target
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 3404 wrote to memory of 4188	3404	EXonts.exe	83
PID 4188 wrote to memory of 4812	4188	EXonts.exe	86
PID 4188 wrote to memory of 4812	4188	EXonts.exe	86
PID 4188 wrote to memory of 4812	4188	EXonts.exe	86
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 4812 wrote to memory of 3112	4812	utpuqruh.exe	88
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 3112 wrote to memory of 1792	3112	utpuqruh.exe	89
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93
PID 1792 wrote to memory of 4924	1792	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\EXonts.exe
"C:\Users\Admin\AppData\Local\Temp\EXonts.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\EXonts.exe
  "C:\Users\Admin\AppData\Local\Temp\EXonts.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4188
- - C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe
    "C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4812
  - - C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe
      "C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3112
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:1792
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        
        PID:4924

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

C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe

Filesize
110KB

MD5
ad4dcd0935d159515de56dbb9bb42402

SHA1
c4a309ad63dddd4c3a94cd6da13629a0a0d5d9b0

SHA256
533eea9cea752b72c34cd94727cb6d536e8153f01a61a61cdc367080c474d268

SHA512
8c117ca7415236f5196ac8d62f2749f5dfba35e6632fc4adf51c8885e241570435182b2dcf23eed7da7c2b18384dbdfac40b2788281010f5f49934dc6f5c1064

Download Submit
C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe

Filesize
110KB

MD5
ad4dcd0935d159515de56dbb9bb42402

SHA1
c4a309ad63dddd4c3a94cd6da13629a0a0d5d9b0

SHA256
533eea9cea752b72c34cd94727cb6d536e8153f01a61a61cdc367080c474d268

SHA512
8c117ca7415236f5196ac8d62f2749f5dfba35e6632fc4adf51c8885e241570435182b2dcf23eed7da7c2b18384dbdfac40b2788281010f5f49934dc6f5c1064

Download Submit
C:\Users\Admin\AppData\Roaming\reuyduuy\utpuqruh.exe

Filesize
110KB

MD5
ad4dcd0935d159515de56dbb9bb42402

SHA1
c4a309ad63dddd4c3a94cd6da13629a0a0d5d9b0

SHA256
533eea9cea752b72c34cd94727cb6d536e8153f01a61a61cdc367080c474d268

SHA512
8c117ca7415236f5196ac8d62f2749f5dfba35e6632fc4adf51c8885e241570435182b2dcf23eed7da7c2b18384dbdfac40b2788281010f5f49934dc6f5c1064

Download Submit
memory/1792-170-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-172-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-190-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-189-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1792-177-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-175-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-166-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-163-0x00000000012C0000-0x00000000012CB000-memory.dmp

Filesize
44KB

Download
memory/1792-162-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1792-153-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1792-154-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1792-156-0x0000000000920000-0x0000000000929000-memory.dmp

Filesize
36KB

Download
memory/1792-155-0x0000000000920000-0x0000000000929000-memory.dmp

Filesize
36KB

Download
memory/1792-158-0x0000000001170000-0x0000000001171000-memory.dmp

Filesize
4KB

Download
memory/3112-151-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3112-152-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3112-169-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3404-133-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4188-146-0x00000000024C0000-0x00000000024CB000-memory.dmp

Filesize
44KB

Download
memory/4188-138-0x00000000024C0000-0x00000000024CB000-memory.dmp

Filesize
44KB

Download
memory/4188-134-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4188-144-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4188-136-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4188-137-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4924-186-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/4924-187-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4924-182-0x00000000042D0000-0x00000000042D1000-memory.dmp

Filesize
4KB

Download
memory/4924-188-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download