strrat | 62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470 | Triage

Analysis

max time kernel
242s
max time network
252s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 19:38

Sharing

Report Analysis Logs

General

Target

62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
Size

275KB
MD5

3c39f5d219ff8006dbab0ce247bf7232
SHA1

39d19e5df70bdaa97afdf80c0ac8cbec2bb9625f
SHA256

62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470
SHA512

5ca723aa2ee65799180897bd263d9403aec2890e0f4d8d453b4be555f88e4223915e454e991e3d3d98b1b7f4fa388bbe947193249b2e78c2e90db38455d8ce74
SSDEEP

6144:DYoXFR4xZ+WStJ112liBt9+CNyELmhzPlZCiu4nVB:DvDikmlG+CM1TlZC+VB

Score

10^/10

strrat persistence stealer trojan

Malware Config

Extracted

Family

strrat

C2

185.222.58.80:7688

127.0.0.1:0

Attributes

license_id
6XKE-02Q8-MHKN-IOHS-FMRJ
plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
scheduled_task
true
secondary_startup
true
startup
true

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
3240	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar\""	java.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3244	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 1460	4900	java.exe	87
PID 4900 wrote to memory of 1460	4900	java.exe	87
PID 1460 wrote to memory of 4892	1460	java.exe	89
PID 1460 wrote to memory of 4892	1460	java.exe	89
PID 1460 wrote to memory of 3240	1460	java.exe	91
PID 1460 wrote to memory of 3240	1460	java.exe	91
PID 4892 wrote to memory of 3244	4892	cmd.exe	93
PID 4892 wrote to memory of 3244	4892	cmd.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4892
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3244
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
    3⤵
    - Loads dropped DLL
    PID:3240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scheduled Task

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Scheduled Task

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar

Filesize
275KB

MD5
3c39f5d219ff8006dbab0ce247bf7232

SHA1
39d19e5df70bdaa97afdf80c0ac8cbec2bb9625f

SHA256
62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470

SHA512
5ca723aa2ee65799180897bd263d9403aec2890e0f4d8d453b4be555f88e4223915e454e991e3d3d98b1b7f4fa388bbe947193249b2e78c2e90db38455d8ce74

Download Submit
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2999267279014192544.dll

Filesize
241KB

MD5
e02979ecd43bcc9061eb2b494ab5af50

SHA1
3122ac0e751660f646c73b10c4f79685aa65c545

SHA256
a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

SHA512
1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-47134698-4092160662-1261813102-1000\83aa4cc77f591dfc2374580bbd95f6ba_58a5be6a-fbdc-4fe6-8f93-5aa44c9d3351

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
C:\Users\Admin\lib\jna-5.5.0.jar

Filesize
1.4MB

MD5
acfb5b5fd9ee10bf69497792fd469f85

SHA1
0e0845217c4907822403912ad6828d8e0b256208

SHA256
b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

SHA512
e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

Download Submit
C:\Users\Admin\lib\jna-platform-5.5.0.jar

Filesize
2.6MB

MD5
2f4a99c2758e72ee2b59a73586a2322f

SHA1
af38e7c4d0fc73c23ecd785443705bfdee5b90bf

SHA256
24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

SHA512
b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

Download Submit
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

Filesize
4.1MB

MD5
b33387e15ab150a7bf560abdc73c3bec

SHA1
66b8075784131f578ef893fd7674273f709b9a4c

SHA256
2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

SHA512
25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

Download Submit
C:\Users\Admin\lib\system-hook-3.5.jar

Filesize
772KB

MD5
e1aa38a1e78a76a6de73efae136cdb3a

SHA1
c463da71871f780b2e2e5dba115d43953b537daf

SHA256
2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

SHA512
fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

Download Submit
memory/1460-217-0x0000024517D60000-0x0000024517D61000-memory.dmp

Filesize
4KB

Download
memory/3240-261-0x00000161AEE40000-0x00000161AEE41000-memory.dmp

Filesize
4KB

Download
memory/4900-105-0x000001D52CA20000-0x000001D52CA30000-memory.dmp

Filesize
64KB

Download
memory/4900-48-0x000001D52C9E0000-0x000001D52C9F0000-memory.dmp

Filesize
64KB

Download
memory/4900-25-0x000001D52C960000-0x000001D52C970000-memory.dmp

Filesize
64KB

Download
memory/4900-31-0x000001D52C970000-0x000001D52C980000-memory.dmp

Filesize
64KB

Download
memory/4900-110-0x000001D52CAE0000-0x000001D52CAF0000-memory.dmp

Filesize
64KB

Download
memory/4900-34-0x000001D52C980000-0x000001D52C990000-memory.dmp

Filesize
64KB

Download
memory/4900-38-0x000001D52C9A0000-0x000001D52C9B0000-memory.dmp

Filesize
64KB

Download
memory/4900-41-0x000001D52C9B0000-0x000001D52C9C0000-memory.dmp

Filesize
64KB

Download
memory/4900-40-0x000001D52C690000-0x000001D52C900000-memory.dmp

Filesize
2.4MB

Download
memory/4900-36-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-43-0x000001D52C9C0000-0x000001D52C9D0000-memory.dmp

Filesize
64KB

Download
memory/4900-112-0x000001D52CA40000-0x000001D52CA50000-memory.dmp

Filesize
64KB

Download
memory/4900-47-0x000001D52C9D0000-0x000001D52C9E0000-memory.dmp

Filesize
64KB

Download
memory/4900-46-0x000001D52C900000-0x000001D52C910000-memory.dmp

Filesize
64KB

Download
memory/4900-50-0x000001D52C9F0000-0x000001D52CA00000-memory.dmp

Filesize
64KB

Download
memory/4900-49-0x000001D52C910000-0x000001D52C920000-memory.dmp

Filesize
64KB

Download
memory/4900-54-0x000001D52C930000-0x000001D52C940000-memory.dmp

Filesize
64KB

Download
memory/4900-55-0x000001D52CA00000-0x000001D52CA10000-memory.dmp

Filesize
64KB

Download
memory/4900-52-0x000001D52C920000-0x000001D52C930000-memory.dmp

Filesize
64KB

Download
memory/4900-60-0x000001D52CA10000-0x000001D52CA20000-memory.dmp

Filesize
64KB

Download
memory/4900-59-0x000001D52C950000-0x000001D52C960000-memory.dmp

Filesize
64KB

Download
memory/4900-58-0x000001D52C940000-0x000001D52C950000-memory.dmp

Filesize
64KB

Download
memory/4900-63-0x000001D52CA20000-0x000001D52CA30000-memory.dmp

Filesize
64KB

Download
memory/4900-62-0x000001D52C960000-0x000001D52C970000-memory.dmp

Filesize
64KB

Download
memory/4900-68-0x000001D52C970000-0x000001D52C980000-memory.dmp

Filesize
64KB

Download
memory/4900-69-0x000001D52CA30000-0x000001D52CA40000-memory.dmp

Filesize
64KB

Download
memory/4900-72-0x000001D52C990000-0x000001D52C9A0000-memory.dmp

Filesize
64KB

Download
memory/4900-73-0x000001D52CA40000-0x000001D52CA50000-memory.dmp

Filesize
64KB

Download
memory/4900-71-0x000001D52C980000-0x000001D52C990000-memory.dmp

Filesize
64KB

Download
memory/4900-76-0x000001D52CA50000-0x000001D52CA60000-memory.dmp

Filesize
64KB

Download
memory/4900-75-0x000001D52C9A0000-0x000001D52C9B0000-memory.dmp

Filesize
64KB

Download
memory/4900-79-0x000001D52CA60000-0x000001D52CA70000-memory.dmp

Filesize
64KB

Download
memory/4900-78-0x000001D52C9B0000-0x000001D52C9C0000-memory.dmp

Filesize
64KB

Download
memory/4900-82-0x000001D52CA70000-0x000001D52CA80000-memory.dmp

Filesize
64KB

Download
memory/4900-81-0x000001D52C9C0000-0x000001D52C9D0000-memory.dmp

Filesize
64KB

Download
memory/4900-91-0x000001D52CAA0000-0x000001D52CAB0000-memory.dmp

Filesize
64KB

Download
memory/4900-92-0x000001D52C9F0000-0x000001D52CA00000-memory.dmp

Filesize
64KB

Download
memory/4900-90-0x000001D52CA90000-0x000001D52CAA0000-memory.dmp

Filesize
64KB

Download
memory/4900-113-0x000001D52CAF0000-0x000001D52CB00000-memory.dmp

Filesize
64KB

Download
memory/4900-88-0x000001D52C9E0000-0x000001D52C9F0000-memory.dmp

Filesize
64KB

Download
memory/4900-87-0x000001D52C9D0000-0x000001D52C9E0000-memory.dmp

Filesize
64KB

Download
memory/4900-97-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-100-0x000001D52CAB0000-0x000001D52CAC0000-memory.dmp

Filesize
64KB

Download
memory/4900-99-0x000001D52CA00000-0x000001D52CA10000-memory.dmp

Filesize
64KB

Download
memory/4900-102-0x000001D52CA10000-0x000001D52CA20000-memory.dmp

Filesize
64KB

Download
memory/4900-103-0x000001D52CAC0000-0x000001D52CAD0000-memory.dmp

Filesize
64KB

Download
memory/4900-23-0x000001D52C950000-0x000001D52C960000-memory.dmp

Filesize
64KB

Download
memory/4900-106-0x000001D52CAD0000-0x000001D52CAE0000-memory.dmp

Filesize
64KB

Download
memory/4900-108-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-109-0x000001D52CA30000-0x000001D52CA40000-memory.dmp

Filesize
64KB

Download
memory/4900-35-0x000001D52C990000-0x000001D52C9A0000-memory.dmp

Filesize
64KB

Download
memory/4900-22-0x000001D52C940000-0x000001D52C950000-memory.dmp

Filesize
64KB

Download
memory/4900-89-0x000001D52CA80000-0x000001D52CA90000-memory.dmp

Filesize
64KB

Download
memory/4900-116-0x000001D52CB00000-0x000001D52CB10000-memory.dmp

Filesize
64KB

Download
memory/4900-115-0x000001D52CA50000-0x000001D52CA60000-memory.dmp

Filesize
64KB

Download
memory/4900-119-0x000001D52CB10000-0x000001D52CB20000-memory.dmp

Filesize
64KB

Download
memory/4900-118-0x000001D52CA60000-0x000001D52CA70000-memory.dmp

Filesize
64KB

Download
memory/4900-122-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-127-0x000001D52CB20000-0x000001D52CB30000-memory.dmp

Filesize
64KB

Download
memory/4900-126-0x000001D52CA70000-0x000001D52CA80000-memory.dmp

Filesize
64KB

Download
memory/4900-129-0x000001D52CA80000-0x000001D52CA90000-memory.dmp

Filesize
64KB

Download
memory/4900-131-0x000001D52CB30000-0x000001D52CB40000-memory.dmp

Filesize
64KB

Download
memory/4900-130-0x000001D52CA90000-0x000001D52CAA0000-memory.dmp

Filesize
64KB

Download
memory/4900-137-0x000001D52CAA0000-0x000001D52CAB0000-memory.dmp

Filesize
64KB

Download
memory/4900-138-0x000001D52CB40000-0x000001D52CB50000-memory.dmp

Filesize
64KB

Download
memory/4900-139-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-143-0x000001D52CAB0000-0x000001D52CAC0000-memory.dmp

Filesize
64KB

Download
memory/4900-146-0x000001D52AE00000-0x000001D52AE01000-memory.dmp

Filesize
4KB

Download
memory/4900-156-0x000001D52C980000-0x000001D52C990000-memory.dmp

Filesize
64KB

Download
memory/4900-155-0x000001D52C970000-0x000001D52C980000-memory.dmp

Filesize
64KB

Download
memory/4900-154-0x000001D52C960000-0x000001D52C970000-memory.dmp

Filesize
64KB

Download
memory/4900-153-0x000001D52C950000-0x000001D52C960000-memory.dmp

Filesize
64KB

Download
memory/4900-152-0x000001D52C940000-0x000001D52C950000-memory.dmp

Filesize
64KB

Download
memory/4900-151-0x000001D52C930000-0x000001D52C940000-memory.dmp

Filesize
64KB

Download
memory/4900-150-0x000001D52C920000-0x000001D52C930000-memory.dmp

Filesize
64KB

Download
memory/4900-149-0x000001D52C910000-0x000001D52C920000-memory.dmp

Filesize
64KB

Download
memory/4900-148-0x000001D52C900000-0x000001D52C910000-memory.dmp

Filesize
64KB

Download
memory/4900-147-0x000001D52C9A0000-0x000001D52C9B0000-memory.dmp

Filesize
64KB

Download
memory/4900-163-0x000001D52C690000-0x000001D52C900000-memory.dmp

Filesize
2.4MB

Download
memory/4900-179-0x000001D52CB10000-0x000001D52CB20000-memory.dmp

Filesize
64KB

Download
memory/4900-178-0x000001D52CB00000-0x000001D52CB10000-memory.dmp

Filesize
64KB

Download
memory/4900-177-0x000001D52CAF0000-0x000001D52CB00000-memory.dmp

Filesize
64KB

Download
memory/4900-176-0x000001D52CAE0000-0x000001D52CAF0000-memory.dmp

Filesize
64KB

Download
memory/4900-175-0x000001D52CAD0000-0x000001D52CAE0000-memory.dmp

Filesize
64KB

Download
memory/4900-174-0x000001D52CAC0000-0x000001D52CAD0000-memory.dmp

Filesize
64KB

Download
memory/4900-173-0x000001D52CAB0000-0x000001D52CAC0000-memory.dmp

Filesize
64KB

Download
memory/4900-172-0x000001D52C9D0000-0x000001D52C9E0000-memory.dmp

Filesize
64KB

Download
memory/4900-171-0x000001D52CA40000-0x000001D52CA50000-memory.dmp

Filesize
64KB

Download
memory/4900-170-0x000001D52CA30000-0x000001D52CA40000-memory.dmp

Filesize
64KB

Download
memory/4900-169-0x000001D52CA20000-0x000001D52CA30000-memory.dmp

Filesize
64KB

Download
memory/4900-168-0x000001D52CA10000-0x000001D52CA20000-memory.dmp

Filesize
64KB

Download
memory/4900-167-0x000001D52CA00000-0x000001D52CA10000-memory.dmp

Filesize
64KB

Download
memory/4900-166-0x000001D52C9F0000-0x000001D52CA00000-memory.dmp

Filesize
64KB

Download
memory/4900-17-0x000001D52C920000-0x000001D52C930000-memory.dmp

Filesize
64KB

Download
memory/4900-18-0x000001D52C930000-0x000001D52C940000-memory.dmp

Filesize
64KB

Download
memory/4900-15-0x000001D52C910000-0x000001D52C920000-memory.dmp

Filesize
64KB

Download
memory/4900-12-0x000001D52C900000-0x000001D52C910000-memory.dmp

Filesize
64KB

Download
memory/4900-2-0x000001D52C690000-0x000001D52C900000-memory.dmp

Filesize
2.4MB

Download
memory/4900-165-0x000001D52C9E0000-0x000001D52C9F0000-memory.dmp

Filesize
64KB

Download
memory/4900-164-0x000001D52C9C0000-0x000001D52C9D0000-memory.dmp

Filesize
64KB

Download
memory/4900-161-0x000001D52C9B0000-0x000001D52C9C0000-memory.dmp

Filesize
64KB

Download
memory/4900-160-0x000001D52C990000-0x000001D52C9A0000-memory.dmp

Filesize
64KB

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