mylobot | f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

Resubmissions

31-10-2023 06:15

231031-gzwcdagh7z 10

24-05-2023 13:31

230524-qsqmzsdb5t 10

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31-10-2023 06:15

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General

Target

58203.exe
Size

176KB
MD5

c5307c17eeda787432f82f1d648a368c
SHA1

2a6b0f3a422a49e450cc39354fd687084c8a209e
SHA256

f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531
SHA512

ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495
SSDEEP

3072:Df5M0zA8NTyQXMyVAyzPt+irbu5xYWLFQ3aC6ulgkNS82avsM:3AgeQcaJrFWxm6ulgWS82ZM

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

Processes:

vhvvahva.exevhvvahva.exe

pid	Process
2924	vhvvahva.exe
2336	vhvvahva.exe

Loads dropped DLL 1 IoCs

Processes:

58203.exe

pid	Process
2572	58203.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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\tisan = "C:\\Users\\Admin\\AppData\\Roaming\\tvveivui\\vhvvahva.exe"	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

58203.exevhvvahva.exe

description	pid	Process	procid_target
PID 2220 set thread context of 2572	2220	58203.exe	28
PID 2924 set thread context of 2336	2924	vhvvahva.exe	30

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

58203.exe58203.exevhvvahva.exevhvvahva.execmd.exe

description	pid	Process	procid_target
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2220 wrote to memory of 2572	2220	58203.exe	28
PID 2572 wrote to memory of 2924	2572	58203.exe	29
PID 2572 wrote to memory of 2924	2572	58203.exe	29
PID 2572 wrote to memory of 2924	2572	58203.exe	29
PID 2572 wrote to memory of 2924	2572	58203.exe	29
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2924 wrote to memory of 2336	2924	vhvvahva.exe	30
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2336 wrote to memory of 2308	2336	vhvvahva.exe	31
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33
PID 2308 wrote to memory of 1160	2308	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\58203.exe
"C:\Users\Admin\AppData\Local\Temp\58203.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\58203.exe
  "C:\Users\Admin\AppData\Local\Temp\58203.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe
    "C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2924
  - - C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe
      "C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2336
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe"
        5⤵
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:2308
      - C:\Windows\SysWOW64\notepad.exe
        
        "C:\Windows\system32\notepad.exe"
        6⤵
        
        PID:1160

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\tvveivui\vhvvahva.exe

Filesize
176KB

MD5
c5307c17eeda787432f82f1d648a368c

SHA1
2a6b0f3a422a49e450cc39354fd687084c8a209e

SHA256
f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

SHA512
ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495

Download Submit
C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe

Filesize
176KB

MD5
c5307c17eeda787432f82f1d648a368c

SHA1
2a6b0f3a422a49e450cc39354fd687084c8a209e

SHA256
f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

SHA512
ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495

Download Submit
C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe

Filesize
176KB

MD5
c5307c17eeda787432f82f1d648a368c

SHA1
2a6b0f3a422a49e450cc39354fd687084c8a209e

SHA256
f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

SHA512
ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495

Download Submit
C:\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe

Filesize
176KB

MD5
c5307c17eeda787432f82f1d648a368c

SHA1
2a6b0f3a422a49e450cc39354fd687084c8a209e

SHA256
f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

SHA512
ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495

Download Submit
\Users\Admin\AppData\Roaming\tvveivui\vhvvahva.exe

Filesize
176KB

MD5
c5307c17eeda787432f82f1d648a368c

SHA1
2a6b0f3a422a49e450cc39354fd687084c8a209e

SHA256
f4ba5e8f98fe70d764df71b7c390237b90ed0fc3408579a15a06ee56008a3531

SHA512
ce0e25440c4af26ed62868620607c2a812e426c3053cdf5d91c2734cdf26526ce55f6bbf4989d96309c0569808f22cf4b6159db1ed9bb415ca2903eede5bb495

Download Submit
memory/1160-104-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/1160-102-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1160-99-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/2220-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2308-68-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-54-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2308-67-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2308-71-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-74-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-61-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2308-57-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/2308-79-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-75-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-100-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2308-101-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2308-55-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/2308-51-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2336-48-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2336-50-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2336-69-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-19-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/2572-25-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-18-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-17-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-15-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-11-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-28-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/2572-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2572-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download