loaderbot | b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676

General

Target

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
Size

3.2MB
MD5

ecf0a7dfe54de2c55c42b8c8c34f4a3f
SHA1

393d36cd7cf9536ebc8abe26c51553c57eb4e38c
SHA256

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676
SHA512

4e51da10f9c75b20776aba885c863d622b4eee8b1c023e909151ed893b1f78812b1aaa1c26c10a3050f8aaccfe148dd9bcc27100e27f9f34eedc5c581573c7db
SSDEEP

49152:3EF4FiPD6m4ivio49aPVYYZJbEU5Jn0KRYElP1Dn9S/FPc63qZ1sRrT:EairJ

Score

10^/10

loaderbot defense_evasion discovery loader miner persistence

Malware Config

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

description pid process target process

PID 3552 created 3268 3552 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe Explorer.EXE

description	pid	process	target process
PID 3552 created 3268	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	Explorer.EXE

LoaderBot executable 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2932-48-0x00000000068F0000-0x0000000006CEE000-memory.dmp	loaderbot

Drops startup file 1 IoCs

Processes:

SmartScreen Defender Windows.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Driver.url	SmartScreen Defender Windows.exe

Executes dropped EXE 1 IoCs

Processes:

SmartScreen Defender Windows.exe

pid process

2932 SmartScreen Defender Windows.exe
Loads dropped DLL 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

3552 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid	process
2932	SmartScreen Defender Windows.exe

pid	process
3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exeSmartScreen Defender Windows.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Defender = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe"	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-242286936-336880687-2152680090-1000\Software\Microsoft\Windows\CurrentVersion\Run\Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Sysfiles\\smartScreen Defender Windows.exe"	SmartScreen Defender Windows.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

SmartScreen Defender Windows.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SmartScreen Defender Windows.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1544 taskkill.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeSmartScreen Defender Windows.exe

pid process

560 powershell.exe
560 powershell.exe
560 powershell.exe
2932 SmartScreen Defender Windows.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

3552 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

3552 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SmartScreen Defender Windows.exe

pid	process
1544	taskkill.exe

pid	process
560	powershell.exe
560	powershell.exe
560	powershell.exe
2932	SmartScreen Defender Windows.exe

pid	process
3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid	process
3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exetaskkill.exeSmartScreen Defender Windows.exe

description	pid	process
Token: SeDebugPrivilege	560	powershell.exe
Token: SeDebugPrivilege	1544	taskkill.exe
Token: SeDebugPrivilege	2932	SmartScreen Defender Windows.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.execmd.execsc.exe

description	pid	process	target process
PID 3552 wrote to memory of 560	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	powershell.exe
PID 3552 wrote to memory of 560	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	powershell.exe
PID 3552 wrote to memory of 4968	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	cmd.exe
PID 3552 wrote to memory of 4968	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	cmd.exe
PID 4968 wrote to memory of 1544	4968	cmd.exe	taskkill.exe
PID 4968 wrote to memory of 1544	4968	cmd.exe	taskkill.exe
PID 3552 wrote to memory of 3012	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	csc.exe
PID 3552 wrote to memory of 3012	3552	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	csc.exe
PID 3012 wrote to memory of 3520	3012	csc.exe	cvtres.exe
PID 3012 wrote to memory of 3520	3012	csc.exe	cvtres.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3268
- C:\Users\Admin\AppData\Local\Temp\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
  "C:\Users\Admin\AppData\Local\Temp\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -encodedCommand RwBlAHQALQBQAHIAbwBjAGUAcwBzACAALQBOAGEAbQBlACAAJwBlAHgAcABsAG8AcgBlAHIAJwAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABJAGQA
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:560
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /C taskkill /F /IM "SmartScreen Defender Windows.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4968
  - - C:\Windows\system32\taskkill.exe
      taskkill /F /IM "SmartScreen Defender Windows.exe"
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1544
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /out:"C:\Users\Admin\AppData\Local\Temp\SmartScreen Defender Windows.exe" /target:winexe /platform:x86 "C:\Users\Admin\AppData\Local\Temp\mUgFnLy.tmp" "C:\Users\Admin\AppData\Local\Temp\rWxlfAf.tmp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3012
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESAC7C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCFED26F5FCD444C9BA0A8A688949BE8A9.TMP"
      4⤵
      PID:3520
- C:\Users\Admin\AppData\Local\Temp\SmartScreen Defender Windows.exe
  "C:\Windows\System32\SmartScreen Defender Windows.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932

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

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESAC7C.tmp

Filesize
2KB

MD5
2142558d7fa251d04bbd8f06e916bea3

SHA1
ca8aa7d287c376b7a02e10087018238feac3f5b2

SHA256
7ce42fea9d4764b29a1d504097160b024a026d80490d2197ca2c95610a7fed68

SHA512
44ffd636af6204fca4f696558e059895e94d72d6eaeda0837fb7cc6a2e8bcba02978f94fca76fad53545bd666fa874caed2a4523057f2c5a62faf6da1541255e

Download Submit
C:\Users\Admin\AppData\Local\Temp\SmartScreen Defender Windows.exe

Filesize
5KB

MD5
f64c000823f7aee4abcbc2b285dbd6c7

SHA1
b63af12ccae95d49c93793fd493106b16df76c33

SHA256
b8ec4d2b82e71093de4004831b486b0d122c5c8ea89c78cfb54c1a0c68428a2e

SHA512
560fd32cc696f26bc74b2c032bd5b546423b2900cf736da44f35774816faa4968b4ae788292b40d3b3befe13d4ff046681822f987950d37c46f0216f125b5ce6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_505id3ap.g1x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ffwzuX.tmp

Filesize
2.0MB

MD5
9983a1154c41a5226112ecc8d0cece39

SHA1
48cfebe21bec4097ac0956d17302b205a1d5e490

SHA256
6c10d7244997ea10ec016d7e4d32dba96107ba655794ce0bda44375a80d4f3aa

SHA512
3a10518d574a9e81079553d3653f5ca629128232bc0b00f4beb49b9a8843994179c0dea7095c2b0b4399c9fc7a99795f9bb45193e608f3f8682821f2ae88f0e1

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCFED26F5FCD444C9BA0A8A688949BE8A9.TMP

Filesize
1KB

MD5
0ca43bb14dfd260c186da0e08d4bc3ce

SHA1
3487e73968a1f021e5da09bdfbbef9fdf4d76fbe

SHA256
0f97429a0a458a058c14b006da7cd6861e3a9b02a3c55ad2612a835c63ee345d

SHA512
220ebd41cf44713e89d9f860cbe7da49275b276f7ab3c10c540d76f34474ea156e35c2b77624752ddec5ab58a06c4050f3de21ac5342e68e94bd10c108eb2852

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\mUgFnLy.tmp

Filesize
346B

MD5
c5dbc6417d134e6aea5e58ad55bf33ba

SHA1
91699068965ac21ff6cf80edd18a3576c6aacc98

SHA256
f96c695e5b61703ed2f4ef9bc3917023adf3bc30fad044ceea47fe9b9a8a3894

SHA512
f0a6e724a8d53e35e04b5004d99ff466682881b63fd7f1ea348c3a7fe681d8bdaee090664570d0ab73c7dda87bf7d7c53eadb0284360f6b8e4943d8acd7860eb

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rWxlfAf.tmp

Filesize
607B

MD5
9154be5d772ad1d5449465a279fde323

SHA1
4d56f8c6dc5d24bf34e456692eb215a7b12bc2f0

SHA256
eb92b246dd427015cf6ea53c0394d5a9cae339d080dd25ebac05de646b9fa480

SHA512
3bb62fe5a57172f3ff85c143dac99546eb0883cbd1dcaa9d557d019486dda3db89e4b9aa86218277feb1cc374aec686d448ea6dae079aca5e33d2659034db625

Download Submit
memory/560-18-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/560-32-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/560-29-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/560-25-0x000001F169F90000-0x000001F169FB2000-memory.dmp

Filesize
136KB

Download
memory/560-19-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/560-17-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/2932-45-0x0000000000EB0000-0x0000000000EB8000-memory.dmp

Filesize
32KB

Download
memory/2932-52-0x0000000005970000-0x0000000005B4C000-memory.dmp

Filesize
1.9MB

Download
memory/2932-51-0x0000000006830000-0x0000000006896000-memory.dmp

Filesize
408KB

Download
memory/2932-48-0x00000000068F0000-0x0000000006CEE000-memory.dmp

Filesize
4.0MB

Download
memory/2932-46-0x0000000005970000-0x0000000005B4C000-memory.dmp

Filesize
1.9MB

Download
memory/3552-14-0x00007FFE65281000-0x00007FFE653AA000-memory.dmp

Filesize
1.2MB

Download
memory/3552-3-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-7-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-9-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-16-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-15-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-11-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-6-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-10-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-5-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-47-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-8-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-4-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download
memory/3552-2-0x00007FFE65280000-0x00007FFE65489000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads