df8c87e13ceca11414dc73f5254853a99f8067600bacc77fe1aa33d718674302

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 01:58

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General

Target
df8c87e13ceca11414dc73f5254853a99f8067600bacc77fe1aa33d718674302.jar
Size 320KB
Sample240424-cdz18aea6v
SHA256 df8c87e13ceca11414dc73f5254853a99f8067600bacc77fe1aa33d718674302
MD5 01c0896c9be028d5ddc5444094f9dea7
SHA1 b1ed7909658a73957e19dc170d4e259dd74d8b6c
SHA512 714af0d47d9cce853106f902b51dba4656a41d7c94df5ee03c1b17a706bb6c1da2a8b44c615d03268f287428e5b168a5c72dfe507891cf772cb68c9229f93535
SSDEEP 6144:hJytULyp9EQTJq9NFADfgy7+TUMCsxqv9DybaCOk:irpeOJQFADfgy7qUlHlDiaCj
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	wscript.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4872	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	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4872	3688	java.exe	86
PID 3688 wrote to memory of 4872	3688	java.exe	86
PID 3688 wrote to memory of 376	3688	java.exe	88
PID 3688 wrote to memory of 376	3688	java.exe	88
PID 376 wrote to memory of 2392	376	wscript.exe	91
PID 376 wrote to memory of 2392	376	wscript.exe	91

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\df8c87e13ceca11414dc73f5254853a99f8067600bacc77fe1aa33d718674302.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- 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:4872
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\wbfsugyexn.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Program Files\Java\jre-1.8\bin\javaw.exe
    "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ruauxbqjod.txt"
    3⤵
    - Drops file in Program Files directory
    PID:2392

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

Query Registry

T1012

System Information Discovery

T1082

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 6dd68358c413ccd15709568d7640ee9fb82896822036e46c3ae9226a78485db2
MD5 b85d15b8095f828792af8d836726a41a
SHA1 f7268166f512856657e81b9ae73e9628c3f1d76e
SHA512 8bcd0203331d21fc67b853cca8233ec6132b9dbf17d9b95e8e0c83b3177a6d3ed82f0498aa80432e8b85d81c50f0c9bf84d1d409f167e0715502714e0cdfac0d
MD5 SHA1 SHA512

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ruauxbqjod.txt

Path C:\Users\Admin\AppData\Roaming\ruauxbqjod.txt
Size 164KB
SHA256 46bb74a639422fb57eb14acdb008882476b9db50f6a37964bc6bfff348042004
MD5 346afdb86d5598de68aabfc1a95163c4
SHA1 dae6af812939350e58c2df99e37996cc3f144802
SHA512 1abc13852074a90530a0b9ccd05e2c4a2279f634bbeb02180338a9bab6fa66d0d9f960e94b15bc5b84173732d8e0ab17b71ab476997d77991fa4d253d528e3b0
SSDEEP 3072:YwLhMHxYMmffEq9h6Gju9T0rklKOveO0MOM4rwxnFd90x/mla5o0:YBkfcWu9T1lKOvd0whFsx/qYL
MD5 SHA1 SHA512 SSDEEP

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wbfsugyexn.js

Path C:\Users\Admin\wbfsugyexn.js
Size 1.3MB
SHA256 9b737705594481ea54c4fe4f0fa19729d90ab523e2d508b47dfb45741d4f17e6
MD5 6a574a38d25d2fa3a48eb2ccdf2f5d47
SHA1 132bf44c9e6e3e87d2e769b12e37c6c3c12987bb
SHA512 a1db2b27f1dbdd8882548c69418b2364ae4d85e675c7fdc8f400a6eee87614c7799be6c3cf85cb7ebf45f90b3c060e74887b2a4291fc37b8f28b65d788a7b898
SSDEEP 6144:DQA8zEsdLyKEmFMe0dQhGVo6HyF5rQ67L2CGA85Usv42NrlVID2cDS9aukDoQOTk:kLWg
MD5 SHA1 SHA512 SSDEEP

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memory/2392-22-0x0000020945710000-0x0000020946710000-memory.dmp

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memory/2392-29-0x0000020943EC0000-0x0000020943EC1000-memory.dmp

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memory/2392-35-0x00000209459A0000-0x00000209459B0000-memory.dmp

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memory/2392-36-0x0000020945710000-0x0000020946710000-memory.dmp

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memory/2392-37-0x0000020945990000-0x00000209459A0000-memory.dmp

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memory/2392-38-0x0000020945710000-0x0000020946710000-memory.dmp

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memory/3688-4-0x0000020317AE0000-0x0000020318AE0000-memory.dmp

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memory/3688-13-0x0000020317AC0000-0x0000020317AC1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads