56f0a10c33da16a1d597d2772bca21ae3e39cc179cf31eef3fa623480580bb61

Analysis

max time kernel
147s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 08:39

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General

Target
d375b26e07150dc37dae2ce7d22a586b.jar
Size 102KB
Sample231228-kkmcpsebg2
SHA256 56f0a10c33da16a1d597d2772bca21ae3e39cc179cf31eef3fa623480580bb61
MD5 d375b26e07150dc37dae2ce7d22a586b
SHA1 8d4ec9d1b48c5cd2ffaeae674c8e93b489a5c171
SHA512 6b388b840e70b988345be952efdce79d830934abb49dcbc6060441a0cd58014de4cd4ed19743adce77ee7af0133fe7db00d10a5d578754fb8d714e9f8925b3ec
SSDEEP 1536:cjSW+gbZj1hXLp8tmGiwvzk//zNpPShwbRWNcRcqrdHc4CSshc/6yN6:cjSW+QZjHX6tgGadAqp8nSsnyM
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
2088	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\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\symbols\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 2 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 2088	4720	java.exe	46
PID 4720 wrote to memory of 2088	4720	java.exe	46

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\d375b26e07150dc37dae2ce7d22a586b.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4720
- 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:2088

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

memory/4720-4-0x00000202C80B0000-0x00000202C90B0000-memory.dmp

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memory/4720-15-0x00000202C80B0000-0x00000202C90B0000-memory.dmp

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memory/4720-16-0x00000202C80B0000-0x00000202C90B0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads