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 2180 created 3500 2180 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe Explorer.EXE

description	pid	process	target process
PID 2180 created 3500	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	Explorer.EXE

LoaderBot executable 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1620-44-0x00000000067A0000-0x0000000006B9E000-memory.dmp	loaderbot

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

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

1620 SmartScreen Defender Windows.exe
Loads dropped DLL 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

2180 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid	process
1620	SmartScreen Defender Windows.exe

pid	process
2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

SmartScreen Defender Windows.exeb1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Sysfiles\\smartScreen Defender Windows.exe"	SmartScreen Defender Windows.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Defender = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe"	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.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

4624 taskkill.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeSmartScreen Defender Windows.exe

pid process

4992 powershell.exe
4992 powershell.exe
4992 powershell.exe
1620 SmartScreen Defender Windows.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

2180 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid process

2180 b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

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

pid	process
4624	taskkill.exe

pid	process
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
1620	SmartScreen Defender Windows.exe

pid	process
2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

pid	process
2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exetaskkill.exeSmartScreen Defender Windows.exe

description	pid	process
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	4624	taskkill.exe
Token: SeDebugPrivilege	1620	SmartScreen Defender Windows.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.execmd.execsc.exe

description	pid	process	target process
PID 2180 wrote to memory of 4992	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	powershell.exe
PID 2180 wrote to memory of 4992	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	powershell.exe
PID 2180 wrote to memory of 700	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	cmd.exe
PID 2180 wrote to memory of 700	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	cmd.exe
PID 700 wrote to memory of 4624	700	cmd.exe	taskkill.exe
PID 700 wrote to memory of 4624	700	cmd.exe	taskkill.exe
PID 2180 wrote to memory of 5104	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	csc.exe
PID 2180 wrote to memory of 5104	2180	b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe	csc.exe
PID 5104 wrote to memory of 2640	5104	csc.exe	cvtres.exe
PID 5104 wrote to memory of 2640	5104	csc.exe	cvtres.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3500
- C:\Users\Admin\AppData\Local\Temp\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe
  "C:\Users\Admin\AppData\Local\Temp\b1ccda9f7ba76b222d9387f6ee8cbbd3222af3dc3723a247c6e80cb0a5626676.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -encodedCommand RwBlAHQALQBQAHIAbwBjAGUAcwBzACAALQBOAGEAbQBlACAAJwBlAHgAcABsAG8AcgBlAHIAJwAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABJAGQA
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4992
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /C taskkill /F /IM "SmartScreen Defender Windows.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:700
  - - C:\Windows\system32\taskkill.exe
      taskkill /F /IM "SmartScreen Defender Windows.exe"
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:4624
- - 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:5104
  - - 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\RESBC6A.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC632F7368E06A4F03AAB594C6BE19713E.TMP"
      4⤵
      PID:2640
- 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:1620

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

Query Registry

1

T1012

System Information Discovery

1

T1082

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\RESBC6A.tmp

Filesize
2KB

MD5
9ddf692b0959a7a8fc1f15f2160b08bf

SHA1
9ea90a0724b37a0fdcb0722446ca0184a2889a3e

SHA256
3055e63643bfc9b4bf83ab189601695cddb23dfbf9f3381e07afa1e524f85c93

SHA512
9547a9c33434c6dc3446b17dbc66f3af3b406ec2c17da6654b295150cfa676d248aa9105d0e26dfb6c1cba57d31e4ce90724d03bb70bf9d0579a9c946436c5bf

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

Filesize
5KB

MD5
4c84cb954daa1e92a1f9b15651be7456

SHA1
0b89e1fc670b2c4a88f17a60cbc38994aea0210c

SHA256
2bd6537672fb689e48f531ef107e58c43e4f432a6038dd1fd238565d44f13c47

SHA512
f1890fd6376846bd2fb94965a08b19799808e21a58f932f21706867e2a42addf6c0e6382a11108b910e73e75bb848d777621ef6142de0064137f3d8b50f2f816

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zkhney2w.gjl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1.9MB

MD5
47ccb0e28d73f695c5d5266ffbb300ec

SHA1
63e6167944df951ad2d279d0b64e37bf2f604c07

SHA256
12d1bac765448db638adc8327de1101e5e2eb5829b8da7edd5b216a45c717eec

SHA512
8219f5cfd7a6bf28b8880529240e0b49a2fd78c0c5227cf6471cbf153fd32b2664ae31396d4b6897c2686e5b7826b9f9dad434e82e7032c7a5aa3ee9b2771145

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC632F7368E06A4F03AAB594C6BE19713E.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/1620-48-0x00000000058A0000-0x0000000005A7C000-memory.dmp

Filesize
1.9MB

Download
memory/1620-47-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/1620-44-0x00000000067A0000-0x0000000006B9E000-memory.dmp

Filesize
4.0MB

Download
memory/1620-43-0x00000000058A0000-0x0000000005A7C000-memory.dmp

Filesize
1.9MB

Download
memory/1620-42-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

Filesize
32KB

Download
memory/2180-8-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-9-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-7-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-11-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-14-0x00007FFC3732D000-0x00007FFC3732F000-memory.dmp

Filesize
8KB

Download
memory/2180-2-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-4-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-3-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-5-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-6-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/2180-10-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/4992-16-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/4992-29-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/4992-15-0x00007FFC37290000-0x00007FFC37485000-memory.dmp

Filesize
2.0MB

Download
memory/4992-22-0x0000014CA13A0000-0x0000014CA13C2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads