loaderbot | 1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4

Analysis

max time kernel
28s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
23-07-2024 13:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe
Size

4.6MB
MD5

917f9d9d484f8657efc7f60b8adde947
SHA1

01e4648cef9fb934429d63471127805120202ca9
SHA256

1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4
SHA512

6f81636f49ac851709372e04fa4b95a47da1d17bb84c0150fda6f1ee37111ac357ae17414e9d96f597ac99b2693a9b5838d43fc22b12abbed3e6bbf6421635d2
SSDEEP

98304:ybFXaexwoV2rqKxaWkidqVtIhjAgWlZHrtjFsN3RwC+cDhfXXWB:gwexwoVLhidqVtg8jZHrw3wC+8

Score

10^/10

loaderbot xmrig loader miner persistence

Malware Config

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

LoaderBot executable 1 IoCs

resource	yara_rule
behavioral2/memory/2528-1-0x0000000000400000-0x00000000007FE000-memory.dmp	loaderbot

XMRig Miner payload 1 IoCs

miner

resource	yara_rule
behavioral2/memory/1380-19-0x0000000140000000-0x0000000140B75000-memory.dmp	xmrig

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1380	Driver.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-1-5-21-3766757357-1293853516-507035944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Sysfiles\\RegAsm.exe"	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3732 set thread context of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe
2528	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 4852	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	82
PID 3732 wrote to memory of 4852	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	82
PID 3732 wrote to memory of 4852	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	82
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 3732 wrote to memory of 2528	3732	1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe	83
PID 2528 wrote to memory of 1380	2528	RegAsm.exe	85
PID 2528 wrote to memory of 1380	2528	RegAsm.exe	85

C:\Users\Admin\AppData\Local\Temp\1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe
"C:\Users\Admin\AppData\Local\Temp\1099655a13691a6c4856fa29fa038e89805c8ff7ba6d04c6c56128728be19ff4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
    "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 44wU5QLtVQR3BYSkYJrSNGJ6jLVgtbpNXM28EiiQyZ7fin6Ki9MnbuCUqghQqJPEon1vZQq1twJ21hupxAhrxeP32CjKnDp -p x -k -v=0 --donate-level=1 -t 4
    3⤵
    - Executes dropped EXE
    PID:1380

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

Filesize
3.9MB

MD5
02569a7a91a71133d4a1023bf32aa6f4

SHA1
0f16bcb3f3f085d3d3be912195558e9f9680d574

SHA256
8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

SHA512
534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

Download Submit
memory/1380-34-0x00000000058F0000-0x0000000005C64000-memory.dmp

Filesize
3.5MB

Download
memory/1380-25-0x0000000003970000-0x0000000003CE4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-35-0x0000000005C70000-0x0000000005FE4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-20-0x00000000027F0000-0x0000000002B64000-memory.dmp

Filesize
3.5MB

Download
memory/1380-21-0x0000000002B70000-0x0000000002EE4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-16-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/1380-18-0x0000000000570000-0x0000000000584000-memory.dmp

Filesize
80KB

Download
memory/1380-22-0x0000000002EF0000-0x0000000003264000-memory.dmp

Filesize
3.5MB

Download
memory/1380-26-0x0000000003CF0000-0x0000000004064000-memory.dmp

Filesize
3.5MB

Download
memory/1380-30-0x0000000004AF0000-0x0000000004E64000-memory.dmp

Filesize
3.5MB

Download
memory/1380-33-0x0000000005570000-0x00000000058E4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-36-0x0000000005FF0000-0x0000000006364000-memory.dmp

Filesize
3.5MB

Download
memory/1380-24-0x00000000035F0000-0x0000000003964000-memory.dmp

Filesize
3.5MB

Download
memory/1380-32-0x00000000051F0000-0x0000000005564000-memory.dmp

Filesize
3.5MB

Download
memory/1380-19-0x0000000140000000-0x0000000140B75000-memory.dmp

Filesize
11.5MB

Download
memory/1380-31-0x0000000004E70000-0x00000000051E4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-29-0x0000000004770000-0x0000000004AE4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-28-0x00000000043F0000-0x0000000004764000-memory.dmp

Filesize
3.5MB

Download
memory/1380-27-0x0000000004070000-0x00000000043E4000-memory.dmp

Filesize
3.5MB

Download
memory/1380-23-0x0000000003270000-0x00000000035E4000-memory.dmp

Filesize
3.5MB

Download
memory/2528-2-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2528-56-0x0000000074E10000-0x00000000755C1000-memory.dmp

Filesize
7.7MB

Download
memory/2528-4-0x0000000074E10000-0x00000000755C1000-memory.dmp

Filesize
7.7MB

Download
memory/2528-1-0x0000000000400000-0x00000000007FE000-memory.dmp

Filesize
4.0MB

Download
memory/2528-6-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/2528-37-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/3732-0-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download