jupyter | ddfd72d4bf18b66dab7f2c25ec3109b9de4cdccb8d7e59695bec8a1d60d3a17e

General

Target

Tools-Invoice.pdf (1).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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	Tools-Invoice.pdf (1).exe

Executes dropped EXE 1 IoCs

pid	Process
4556	TvtuziedoTs.exe

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

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\yhhxyjpmgarpdtiq\shell\open\command	Tools-Invoice.pdf (1).exe
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\yhhxyjpmgarpdtiq	Tools-Invoice.pdf (1).exe
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\yhhxyjpmgarpdtiq\shell	Tools-Invoice.pdf (1).exe
Key created	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\yhhxyjpmgarpdtiq\shell\open	Tools-Invoice.pdf (1).exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3988	Tools-Invoice.pdf (1).exe
3988	Tools-Invoice.pdf (1).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	Tools-Invoice.pdf (1).exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4556	2740	Tools-Invoice.pdf (1).exe	92
PID 2740 wrote to memory of 4556	2740	Tools-Invoice.pdf (1).exe	92
PID 2740 wrote to memory of 4556	2740	Tools-Invoice.pdf (1).exe	92
PID 2740 wrote to memory of 3988	2740	Tools-Invoice.pdf (1).exe	93
PID 2740 wrote to memory of 3988	2740	Tools-Invoice.pdf (1).exe	93

C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf (1).exe
"C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf (1).exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe
  "C:\Users\Admin\AppData\Local\Temp\TvtuziedoTs.exe"
  2⤵
  - Executes dropped EXE
  PID:4556
- C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf (1).exe
  "C:\Users\Admin\AppData\Local\Temp\Tools-Invoice.pdf (1).exe" /s
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Tools-Invoice.pdf (1).exe.log

Filesize
425B

MD5
fff5cbccb6b31b40f834b8f4778a779a

SHA1
899ed0377e89f1ed434cfeecc5bc0163ebdf0454

SHA256
b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76

SHA512
1a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9

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

Filesize
615KB

MD5
9164c18854ec2c7ee24390a2481d6704

SHA1
592d441eb3d55707794466ffe609acea7f584792

SHA256
baf6a1929d3768c60ef0fc7647c5a983abab0adfbae0716a03d13f68b465f3dc

SHA512
76dd96ed04de4385e34dafe10b890ddece52f5c662f766f9596caddd7e5dbbc5f673666e71f9dbc9546310af234f5dfb027fef932f480ac7c8cb642258cd69bc

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

Filesize
997KB

MD5
dbc534854dd385e59a3f1906ddfb9020

SHA1
2b3062d82232ce10a8713829199769ff0d12e0fc

SHA256
06486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0

SHA512
1506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skprtbff.kxr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2740-13-0x00007FF9C72E0000-0x00007FF9C7DA1000-memory.dmp

Filesize
10.8MB

Download
memory/2740-0-0x0000000000840000-0x0000000000A7E000-memory.dmp

Filesize
2.2MB

Download
memory/2740-1-0x00007FF9C72E0000-0x00007FF9C7DA1000-memory.dmp

Filesize
10.8MB

Download
memory/3988-12-0x00007FF9C72E0000-0x00007FF9C7DA1000-memory.dmp

Filesize
10.8MB

Download
memory/3988-25-0x0000000002BC0000-0x0000000002BE2000-memory.dmp

Filesize
136KB

Download
memory/3988-26-0x0000000002A50000-0x0000000002A60000-memory.dmp

Filesize
64KB

Download
memory/3988-29-0x000000001D830000-0x000000001D8E4000-memory.dmp

Filesize
720KB

Download
memory/4556-14-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4556-24-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download

Analysis

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