80658759ad67edd23bc4cbfaba5e2add421ff794772ddffe24174b6f25904087

Analysis

max time kernel
115s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/04/2024, 17:16

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General

Target
75ca8e8dcf4e6d4d4e641c4a968daa19_JaffaCakes118.jar
Size 184KB
Sample240401-vs48laac8w
SHA256 80658759ad67edd23bc4cbfaba5e2add421ff794772ddffe24174b6f25904087
MD5 75ca8e8dcf4e6d4d4e641c4a968daa19
SHA1 1b5f0941d329fc14f56451c0e1c94d68fcec17ec
SHA512 dcb0d44d370ecc9acb57b97eb63c473028277c9621e11b646a2d935699b43e3ea830feed4128ce1e583adbf433f3af595ea6533525ba03731bbb942d989390b6
SSDEEP 3072:h72/CkY3miW9kLPBcanX3z8MlMDrGNZ1Ii0M0GVarNWtOQDaj19JYZ4+x0oe1:h72akOc/KZ1N0M0+c82tq440oe1
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
4776	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\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\symbols\dll\jvm.pdb	java.exe
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\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\jvm.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\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 4776	2012	java.exe	94
PID 2012 wrote to memory of 4776	2012	java.exe	94

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\75ca8e8dcf4e6d4d4e641c4a968daa19_JaffaCakes118.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2012
- 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:4776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
1⤵
PID:2948

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 e4a4b0b420c779b92cf0a562658031423fae137238b7e7dfa76e1adf2a5b0279
MD5 d33c41b247feced70f167386d9183118
SHA1 bb04a63d7da480224bf990749d2bc520f24a7c2e
SHA512 5d01874a898a869067b5a252346b99167543c4f98f04a52cf60ce0cf69832e3b86bd29f71248d6bd0bd608f22fcbe978cf3f6f64ba07a384c7685f1a0a00f7f4
MD5 SHA1 SHA512

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memory/2012-4-0x00000216E0B80000-0x00000216E1B80000-memory.dmp

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memory/2012-12-0x00000216DF360000-0x00000216DF361000-memory.dmp

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memory/2012-17-0x00000216E0B80000-0x00000216E1B80000-memory.dmp

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memory/2012-18-0x00000216E0E00000-0x00000216E0E10000-memory.dmp

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memory/2012-19-0x00000216E0B80000-0x00000216E1B80000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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