loaderbot | 2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba

General

Target

2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe
Size

1.3MB
MD5

2c5b777d32eb0ab76804e42db1318dbd
SHA1

f753f0e94ca4eaf10560285b67f44b23ae909dee
SHA256

2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba
SHA512

ce21df1d4b5ea30ed9a66a3b25d87589c8642650f3bef116d563251a848964a2e5ebe249525311ed609ac285f29d51321eec9572b025d9fbf4e8e2fdb6631ff6
SSDEEP

24576:0yltNAMKAv9qTXUTh39YSLgAvS7rJhM09qUsj3QHnjgiRjf0bg1tDvhTe0E/dJZl:0G+E93S667NhM5gRRjf/1llElJZAIZg4

Score

10^/10

loaderbot evasion loader miner persistence

Malware Config

Extracted

Family

loaderbot

C2

http://sychost.com/cmd.php

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	NetFramework.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	NetFramework.exe

LoaderBot executable 6 IoCs

resource	yara_rule
behavioral2/memory/4776-138-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot
behavioral2/memory/4776-139-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot
behavioral2/memory/4776-140-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot
behavioral2/memory/3500-144-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot
behavioral2/memory/3500-145-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot
behavioral2/memory/3500-146-0x0000000000B90000-0x0000000000F14000-memory.dmp	loaderbot

Executes dropped EXE 2 IoCs

pid	Process
4776	NetFramework.exe
3500	NetFramework.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	NetFramework.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	NetFramework.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	NetFramework.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	NetFramework.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe

Drops startup file 1 IoCs

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

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Wine	NetFramework.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Wine	NetFramework.exe

Loads dropped DLL 1 IoCs

pid	Process
3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\NetFramework.exe"	NetFramework.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4776	NetFramework.exe
3500	NetFramework.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1308	schtasks.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4900	taskkill.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4776	NetFramework.exe
4776	NetFramework.exe
3500	NetFramework.exe
3500	NetFramework.exe
3500	NetFramework.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	taskkill.exe
Token: SeDebugPrivilege	3500	NetFramework.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4532	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	82
PID 3396 wrote to memory of 4532	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	82
PID 3396 wrote to memory of 4532	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	82
PID 3396 wrote to memory of 4776	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	84
PID 3396 wrote to memory of 4776	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	84
PID 3396 wrote to memory of 4776	3396	2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe	84
PID 4532 wrote to memory of 4900	4532	cmd.exe	85
PID 4532 wrote to memory of 4900	4532	cmd.exe	85
PID 4532 wrote to memory of 4900	4532	cmd.exe	85
PID 4532 wrote to memory of 3500	4532	cmd.exe	86
PID 4532 wrote to memory of 3500	4532	cmd.exe	86
PID 4532 wrote to memory of 3500	4532	cmd.exe	86
PID 3500 wrote to memory of 260	3500	NetFramework.exe	87
PID 3500 wrote to memory of 260	3500	NetFramework.exe	87
PID 3500 wrote to memory of 260	3500	NetFramework.exe	87
PID 260 wrote to memory of 1308	260	cmd.exe	89
PID 260 wrote to memory of 1308	260	cmd.exe	89
PID 260 wrote to memory of 1308	260	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe
"C:\Users\Admin\AppData\Local\Temp\2eb0bae173c8d79bc9180db259f08700ace9992e23c8560c89d28e0080c4bcba.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\1337\NetFrameworkUpdate.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im "NetFramework.exe"
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- - C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe
    C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Drops startup file
    - Identifies Wine through registry keys
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3500
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\NetFramework.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:260
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\NetFramework.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        5⤵
        Creates scheduled task(s)
        
        PID:1308
- C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe
  "C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd8E67.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe

Filesize
1.3MB

MD5
6c986a80c8bbb19a08ead0758f23ccf7

SHA1
10b3fd235f0b55db3cb6f8c77c2fc846c24f8c4c

SHA256
0cc41dcf71bae5911647af1d05b61c118f4acb6d3aec8113a311c02c3ddf1082

SHA512
29d0a01a194c10e423df0f53cdcf2273d9b22d2ffeb1d553efc1e8587d86666175d4ebee1310c711757e2fab554850def9944809c9e5d932f059492efd70df08

Download Submit
C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe

Filesize
1.3MB

MD5
6c986a80c8bbb19a08ead0758f23ccf7

SHA1
10b3fd235f0b55db3cb6f8c77c2fc846c24f8c4c

SHA256
0cc41dcf71bae5911647af1d05b61c118f4acb6d3aec8113a311c02c3ddf1082

SHA512
29d0a01a194c10e423df0f53cdcf2273d9b22d2ffeb1d553efc1e8587d86666175d4ebee1310c711757e2fab554850def9944809c9e5d932f059492efd70df08

Download Submit
C:\Users\Admin\AppData\Roaming\1337\NetFramework.exe

Filesize
1.3MB

MD5
6c986a80c8bbb19a08ead0758f23ccf7

SHA1
10b3fd235f0b55db3cb6f8c77c2fc846c24f8c4c

SHA256
0cc41dcf71bae5911647af1d05b61c118f4acb6d3aec8113a311c02c3ddf1082

SHA512
29d0a01a194c10e423df0f53cdcf2273d9b22d2ffeb1d553efc1e8587d86666175d4ebee1310c711757e2fab554850def9944809c9e5d932f059492efd70df08

Download Submit
C:\Users\Admin\AppData\Roaming\1337\NetFrameworkUpdate.bat

Filesize
171B

MD5
575e8a69a9906efc0da5ce5edc1609d5

SHA1
85afcde175f06224baad88f92f29b73195e84b04

SHA256
6d507be4e1177b290902a9461fb84cae32b38d2cb6ae1366143b4cb23e984190

SHA512
a9b32569482ea5b2cc4e146d4a7651e7854c78cf1843d07fe6f8e1de759ec3629fb26d7cebf8edf8a1f452380f73050ead6019dba56103fbd617145fb31d95b0

Download Submit
memory/3500-145-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/3500-153-0x0000000077470000-0x0000000077613000-memory.dmp

Filesize
1.6MB

Download
memory/3500-152-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/3500-149-0x0000000007650000-0x00000000076B6000-memory.dmp

Filesize
408KB

Download
memory/3500-147-0x0000000077470000-0x0000000077613000-memory.dmp

Filesize
1.6MB

Download
memory/3500-146-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/3500-144-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/4776-137-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/4776-141-0x0000000077470000-0x0000000077613000-memory.dmp

Filesize
1.6MB

Download
memory/4776-138-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/4776-151-0x0000000077470000-0x0000000077613000-memory.dmp

Filesize
1.6MB

Download
memory/4776-140-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download
memory/4776-139-0x0000000000B90000-0x0000000000F14000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads