strrat | 4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Analysis

max time kernel
442s
max time network
1608s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
09/04/2024, 13:34

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General

Target
Java Install.jar
Size 92KB
Sample240409-qvlrtabe9s
SHA256 16ed7004aa68efab0eda75b3f9bff11508365a4224ef859c91f93029bc441284
MD5 c55f9247eb8ea19af96292f0893f86b5
SHA1 bd5e6884b8151114af7e45a92525893f4d2aaabd
SHA512 3efab4ee9e3c9d81efd4e2f164c0a2ae72f688cbd0068cc44a063bf4787ba65b8d2a644ac2f7704fbd059d0ba96665aeff46c2bfba820fb42df06eea7e87ccdb
SSDEEP 1536:QL/61A/qP1+9Qc1+jxjciQnGSzPsRBo0fpL9mjMT8mMhe3gnHGvPvxKpjHr9Uy:QLn/qP1CQpjEGyP0Bxf99mYTX3gmvKLn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strrat discovery stealer trojan

Malware Config

Extracted

Family

strrat

rar.ydns.eu:9999
svchost.ydns.eu:10000

Attributes

license_id
khonsari
plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
scheduled_task
false
secondary_startup
false
startup
true

Signatures

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

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2032	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2032	3708	java.exe	73
PID 3708 wrote to memory of 2032	3708	java.exe	73
PID 3708 wrote to memory of 4676	3708	java.exe	75
PID 3708 wrote to memory of 4676	3708	java.exe	75

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Java Install.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- 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:2032
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\Java Install.jar"
  2⤵
  - Drops file in Program Files directory
  PID:4676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 8f440860ea3be94bfdb4ccf7b429256cfb2192557813da85e40d3ca119a65f97
MD5 0217ad7655c1540066b37ef23d0d8636
SHA1 0a196302598742961561e2c02c1899f3186ffbab
SHA512 2df2dbc223f7c26a105efe166364f8233782b2edb436d090731d2b41feaccd2590fbb49086f6904c7e9969e430da15be3de4f57de6f5fc6f9c2d86426be41288
MD5 SHA1 SHA512

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Java Install.jar

Path C:\Users\Admin\Java Install.jar
Size 92KB
SHA256 16ed7004aa68efab0eda75b3f9bff11508365a4224ef859c91f93029bc441284
MD5 c55f9247eb8ea19af96292f0893f86b5
SHA1 bd5e6884b8151114af7e45a92525893f4d2aaabd
SHA512 3efab4ee9e3c9d81efd4e2f164c0a2ae72f688cbd0068cc44a063bf4787ba65b8d2a644ac2f7704fbd059d0ba96665aeff46c2bfba820fb42df06eea7e87ccdb
SSDEEP 1536:QL/61A/qP1+9Qc1+jxjciQnGSzPsRBo0fpL9mjMT8mMhe3gnHGvPvxKpjHr9Uy:QLn/qP1CQpjEGyP0Bxf99mYTX3gmvKLn
MD5 SHA1 SHA512 SSDEEP

Submit Download

jna-5.5.0.jar

Path C:\Users\Admin\lib\jna-5.5.0.jar
Size 1.4MB
SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
MD5 acfb5b5fd9ee10bf69497792fd469f85
SHA1 0e0845217c4907822403912ad6828d8e0b256208
SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
SSDEEP 24576:BggLnybolJdaW+864NkqCUer8N7sSFOaj5lWOEMIKk6idJRWPTgzq3bICEz2lFO:BTnybo9aW+L5qCUO0xsiMPZrJgPLLIO6
MD5 SHA1 SHA512 SSDEEP

Submit Download

jna-platform-5.5.0.jar

Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
Size 2.6MB
SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
MD5 2f4a99c2758e72ee2b59a73586a2322f
SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
SSDEEP 24576:DyciOooDbK7Yw1J75n4BP/NtK2ov3mhDR6:3iOLDOZJ75nwtK2ovWh8
MD5 SHA1 SHA512 SSDEEP

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sqlite-jdbc-3.14.2.1.jar

Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
Size 4.1MB
SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
MD5 b33387e15ab150a7bf560abdc73c3bec
SHA1 66b8075784131f578ef893fd7674273f709b9a4c
SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
SSDEEP 98304:czJoX0izQbrabWo2MxgErRYxFOY8IsFWyTIiTIzMpca:cJoXHQKW9MxRr8wZZsikzMaa
MD5 SHA1 SHA512 SSDEEP

Submit Download

system-hook-3.5.jar

Path C:\Users\Admin\lib\system-hook-3.5.jar
Size 772KB
SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
MD5 e1aa38a1e78a76a6de73efae136cdb3a
SHA1 c463da71871f780b2e2e5dba115d43953b537daf
SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
SSDEEP 24576:IhCFW8WXvOsWW9XGmvcVfkfTnzrLvadKPpv:IhCYWstW202t
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3708-149-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-168-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-40-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-45-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-50-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-54-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-55-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-67-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-71-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-94-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-99-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-102-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-103-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-105-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-109-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-113-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-125-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-141-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-4-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-153-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-160-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-35-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-174-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-190-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-198-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-204-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-215-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-219-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-221-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-224-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-225-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-226-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-232-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-32-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-12-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-30-0x000001F9A6460000-0x000001F9A6461000-memory.dmp

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memory/3708-28-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/3708-17-0x000001F9A7C90000-0x000001F9A8C90000-memory.dmp

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memory/4676-241-0x0000020300000000-0x0000020301000000-memory.dmp

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memory/4676-257-0x0000020300000000-0x0000020301000000-memory.dmp

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memory/4676-259-0x0000020300000000-0x0000020301000000-memory.dmp

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memory/4676-260-0x0000020300000000-0x0000020301000000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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