03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 08:16

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General

Target
SWIFT.jar
Size 209KB
Sample240305-j548ksbb95
SHA256 03e4c903cc2cbe8854e6af1bd5e741d88da5c35732c7b051215ecf9d6be10c10
MD5 a525cd786d7fee35ba4a2a0f2ea4ed13
SHA1 55134d1b471873fc23f218116fed9def4e600a14
SHA512 1d8a76e0642f92f011ce4b3560084095768be7108d44c3751d1301ed821669d81908fa3d3b2169aca459abf52be4858bbb2895cd76f08bc242f458552fb9d429
SSDEEP 6144:kEq8dJWHf/lT5xqQzyjRhcV7FaVjuFPIVmyKH:kEjdo37EQ8q7FaVeYKH
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2128	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\symbols\dll\jvm.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\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\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\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\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 2128	4800	java.exe	89
PID 4800 wrote to memory of 2128	4800	java.exe	89

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\SWIFT.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4800
- 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:2128

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 f3a0cf61932ad6001c3d6259058ece908528501d7cadb73d9544224a8a527131
MD5 d72e142ce2cb8649b4e537a371f26914
SHA1 cc13e11a1a3e42d4b760bb2af59950b3e67e0d3a
SHA512 f564b1471a6f832fb53356715780f262e2eb96fdbb6055734a5849ff6f0f9ffc0db7d84e92bbdf91d8248a01f15ffb6406b97eca79ac3c0a5f18bb54b18d668f
MD5 SHA1 SHA512

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memory/4800-40-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-12-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-17-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-23-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-35-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-4-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-44-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-46-0x000001D580000000-0x000001D581000000-memory.dmp

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memory/4800-45-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-49-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-56-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-62-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-66-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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memory/4800-72-0x000001D5F3FB0000-0x000001D5F3FB1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads