strrat | 03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 02:00

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General

Target

03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar
Size

209KB
MD5

a525cd786d7fee35ba4a2a0f2ea4ed13
SHA1

55134d1b471873fc23f218116fed9def4e600a14
SHA256

03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10
SHA512

1d8a76e0642f92f011ce4b3560084095768be7108d44c3751d1301ed821669d81908fa3d3b2169aca459abf52be4858bbb2895cd76f08bc242f458552fb9d429
SSDEEP

6144:kEq8dJWHf/lT5xqQzyjRhcV7FaVjuFPIVmyKH:kEjdo37EQ8q7FaVeYKH

Score

10^/10

strrat discovery persistence stealer trojan

Malware Config

Extracted

Family

strrat

jugoken567.ddns.net:7800

103.151.123.225:7800

Attributes

license_id
DB1U-CVGT-7HUG-X0A0-GNWH
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

Processes:

java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar	java.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3644 icacls.exe

pid	process
3644	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

java.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar\""	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

java.exejava.exe

description	pid	process	target process
PID 2040 wrote to memory of 3644	2040	java.exe	icacls.exe
PID 2040 wrote to memory of 3644	2040	java.exe	icacls.exe
PID 2040 wrote to memory of 3604	2040	java.exe	java.exe
PID 2040 wrote to memory of 3604	2040	java.exe	java.exe
PID 3604 wrote to memory of 1952	3604	java.exe	cmd.exe
PID 3604 wrote to memory of 1952	3604	java.exe	cmd.exe
PID 3604 wrote to memory of 3696	3604	java.exe	java.exe
PID 3604 wrote to memory of 3696	3604	java.exe	java.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:3644
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3604
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar"
    3⤵
    PID:1952
- - 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\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar"
    3⤵
    PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
fad6160b1481c01949106429006070df

SHA1
97bb47479b17b42266827d0fd11e98cc8460c623

SHA256
5a4dcbedef4bc40fa4f7d8dcc04f7ac48032af4d49ba9143c25d53c0bbbc832c

SHA512
eabb08c222ad500ac491ebbf97dd876d087ee36026d8941418ee7ff21ae04f1308be500216d47005ae8b854ce15a9475f7dc8348b47dcca3aa664f470cd38a6a

Download Submit
C:\Users\Admin\03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10.jar

Filesize
209KB

MD5
a525cd786d7fee35ba4a2a0f2ea4ed13

SHA1
55134d1b471873fc23f218116fed9def4e600a14

SHA256
03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10

SHA512
1d8a76e0642f92f011ce4b3560084095768be7108d44c3751d1301ed821669d81908fa3d3b2169aca459abf52be4858bbb2895cd76f08bc242f458552fb9d429

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/2040-98-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-104-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-27-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-36-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-41-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-42-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-45-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-63-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-75-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-77-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-79-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-80-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-82-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-81-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-83-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-85-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-89-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-92-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-95-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-97-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-12-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-99-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-101-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-17-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-105-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-106-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-108-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-110-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-114-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-115-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-116-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-117-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-119-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-121-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-129-0x000002A797950000-0x000002A797951000-memory.dmp

Filesize
4KB

Download
memory/2040-131-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-132-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-136-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-4-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-137-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/2040-138-0x000002A799210000-0x000002A79A210000-memory.dmp

Filesize
16.0MB

Download
memory/3604-150-0x0000026D44690000-0x0000026D45690000-memory.dmp

Filesize
16.0MB

Download
memory/3604-163-0x0000026D44670000-0x0000026D44671000-memory.dmp

Filesize
4KB

Download
memory/3604-169-0x0000026D44690000-0x0000026D45690000-memory.dmp

Filesize
16.0MB

Download
memory/3604-174-0x0000026D44690000-0x0000026D45690000-memory.dmp

Filesize
16.0MB

Download
memory/3604-178-0x0000026D44690000-0x0000026D45690000-memory.dmp

Filesize
16.0MB

Download