mylobot | 53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec

General

Target

53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
Size

576KB
MD5

3ce8c08985645fbacc3b7e197ebe0a4a
SHA1

4e10c27c4f43db72320ec35e9a774270bdc6fe40
SHA256

53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec
SHA512

8bcc3ce63a1df20681b9d2d7d996c63f2ba2683d7d8d37eb3b52b37600379a76725540dccadbe6c81fcd101d4e54d4062c4e80da0d0987c55ef760f9dffc2ebd
SSDEEP

12288:HPbTE1rkt826L4xd1EiEt6empQ+uK+1faH7nCYNFbdmmIO1ZUsCjW79u:HP818EiYTmpqCHNbvIODnCjW78

Score

10^/10

mylobot botnet discovery persistence

Malware Config

Extracted

Family

mylobot

C2

pqrqtaz.ru:9879

pickcas.ru:6464

quwkbin.ru:3496

rkbupij.ru:6653

pcqmayq.ru:3629

mmuliwe.ru:3541

stoizji.ru:5189

sfdfrhh.ru:3511

ynciazz.ru:4127

mkglhnw.ru:1946

njeeili.ru:9987

dldzeoo.ru:7525

tkbiqjq.ru:5145

uenosbl.ru:2935

faayshc.ru:9865

nttfazc.ru:6761

nfwsyog.ru:7172

uyfusxm.ru:7372

hxkclwx.ru:1294

zgoysam.ru:2338

Signatures

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

Deletes itself 1 IoCs

pid	Process
920	svchost.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-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{89B7E109-D0E5-C0AD-9A32-CAE161A672EA} = "c:\\programdata\\{15A7C939-F8D5-5CBD-9A32-CAE161A672EA}\\b81819a6.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4436 set thread context of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91

System Location Discovery: System Language Discovery 1 TTPs 4 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	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000_Classes\CLSID\{15A7C93A-F8D6-5CBD-9A32-CAE161A672EA}\ = "1741321463"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000_Classes\CLSID\{4F82EEC4-DF28-0698-9A32-CAE161A672EA}	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000_Classes\CLSID\{15A7C93A-F8D6-5CBD-9A32-CAE161A672EA}	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
920	svchost.exe
920	svchost.exe
920	svchost.exe
920	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 4436 wrote to memory of 896	4436	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	91
PID 896 wrote to memory of 920	896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	92
PID 896 wrote to memory of 920	896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	92
PID 896 wrote to memory of 920	896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	92
PID 896 wrote to memory of 920	896	53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe	92
PID 920 wrote to memory of 4436	920	svchost.exe	83
PID 920 wrote to memory of 4436	920	svchost.exe	83
PID 920 wrote to memory of 4216	920	svchost.exe	93
PID 920 wrote to memory of 4216	920	svchost.exe	93
PID 920 wrote to memory of 4216	920	svchost.exe	93
PID 920 wrote to memory of 4216	920	svchost.exe	93
PID 920 wrote to memory of 4216	920	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
"C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
  "C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:920
  - - C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\{15A7C939-F8D5-5CBD-9A32-CAE161A672EA}\b81819a6.exe

Filesize
576KB

MD5
3ce8c08985645fbacc3b7e197ebe0a4a

SHA1
4e10c27c4f43db72320ec35e9a774270bdc6fe40

SHA256
53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec

SHA512
8bcc3ce63a1df20681b9d2d7d996c63f2ba2683d7d8d37eb3b52b37600379a76725540dccadbe6c81fcd101d4e54d4062c4e80da0d0987c55ef760f9dffc2ebd

Download Submit
memory/896-13-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/896-1-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/896-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/896-3-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/896-4-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/920-10-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-7-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-12-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-6-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-9-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-8-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-17-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/920-5-0x0000000000FC0000-0x0000000000FF6000-memory.dmp

Filesize
216KB

Download
memory/4216-16-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/4436-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4436-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads