limerat | 68d86a6264814df91c2b58dd342fe9451134535d42eecbb623051ae616202912

General

Target

ff181c2fde2ed1e091f9cf7a3fb5cb98_JaffaCakes118.jar
Size

166KB
MD5

ff181c2fde2ed1e091f9cf7a3fb5cb98
SHA1

6471bf5f9a09a393eb9b8f64fde1b4c29ab77657
SHA256

68d86a6264814df91c2b58dd342fe9451134535d42eecbb623051ae616202912
SHA512

d18330c101882d0753afa1dbbce29c6479ec165383fac28f836c0cefb90a20e6cfc173eb512d897fe07b4bac9d7301471279b1b1bbff686e1633b2553719c0c2
SSDEEP

3072:92cMABeMv1CGzHNb3Ptbriienc5797SEwj1vSbSBEwemzD4sd4GF:92seMsStDPtPBRSPj1aPcEsb

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/G9wX4J5m
download_payload
false
install
false
pin_spread
false
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exeWScript.exeNew-Client.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	New-Client.exe

Executes dropped EXE 2 IoCs

Processes:

New-Client.exeplayer.exe

pid process

1468 New-Client.exe
3968 player.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3388 icacls.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

65 pastebin.com
66 pastebin.com

pid	process
1468	New-Client.exe
3968	player.exe

pid	process
3388	icacls.exe

flow	ioc
65	pastebin.com
66	pastebin.com

Drops file in Program Files directory 12 IoCs

Processes:

javaw.exe

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

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1160 schtasks.exe
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

player.exe

description pid process

Token: SeDebugPrivilege 3968 player.exe
Token: SeDebugPrivilege 3968 player.exe

pid	process
1160	schtasks.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	wscript.exe

description	pid	process
Token: SeDebugPrivilege	3968	player.exe
Token: SeDebugPrivilege	3968	player.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

java.exewscript.exeWScript.exeNew-Client.exe

description	pid	process	target process
PID 372 wrote to memory of 3388	372	java.exe	icacls.exe
PID 372 wrote to memory of 3388	372	java.exe	icacls.exe
PID 372 wrote to memory of 3312	372	java.exe	wscript.exe
PID 372 wrote to memory of 3312	372	java.exe	wscript.exe
PID 3312 wrote to memory of 8	3312	wscript.exe	WScript.exe
PID 3312 wrote to memory of 8	3312	wscript.exe	WScript.exe
PID 3312 wrote to memory of 2896	3312	wscript.exe	javaw.exe
PID 3312 wrote to memory of 2896	3312	wscript.exe	javaw.exe
PID 8 wrote to memory of 1468	8	WScript.exe	New-Client.exe
PID 8 wrote to memory of 1468	8	WScript.exe	New-Client.exe
PID 8 wrote to memory of 1468	8	WScript.exe	New-Client.exe
PID 1468 wrote to memory of 1160	1468	New-Client.exe	schtasks.exe
PID 1468 wrote to memory of 1160	1468	New-Client.exe	schtasks.exe
PID 1468 wrote to memory of 1160	1468	New-Client.exe	schtasks.exe
PID 1468 wrote to memory of 3968	1468	New-Client.exe	player.exe
PID 1468 wrote to memory of 3968	1468	New-Client.exe	player.exe
PID 1468 wrote to memory of 3968	1468	New-Client.exe	player.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\ff181c2fde2ed1e091f9cf7a3fb5cb98_JaffaCakes118.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:372
- 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:3388
- C:\Windows\SYSTEM32\wscript.exe
  wscript C:\Users\Admin\xkxsxewbpw.js
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3312
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\oVxRAoYHJl.js"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:8
  - - C:\Users\Admin\AppData\Roaming\New-Client.exe
      "C:\Users\Admin\AppData\Roaming\New-Client.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1468
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\player.exe'"
        5⤵
        Creates scheduled task(s)
        
        PID:1160
    - - C:\Users\Admin\AppData\Roaming\player.exe
        
        "C:\Users\Admin\AppData\Roaming\player.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3968
- - 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\hpiulquwja.txt"
    3⤵
    - Drops file in Program Files directory
    PID:2896

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=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:3980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
aad831262795e4742adb092983e0a748

SHA1
18f5ee52379461d47b6028798af93cef5917f077

SHA256
025ea9e0fd0b3bd23c7cddb0c5f8bc9e55949367518797289caf3ec9adc924a5

SHA512
99a2d3c31a6b51ecef717d583394184e5178b2e609e82ed83dbf4056e832f473c76f65768d3c11f61dfa715e31c35b438fa943a870790c8bcf5db6826c29716f

Download Submit
C:\Users\Admin\AppData\Roaming\New-Client.exe

Filesize
28KB

MD5
1ad564a6ca1520e8886faffc4e0ff1d4

SHA1
7d3b61daef1afed73838351dbf788448cf88d031

SHA256
2c3a771c2ecbd58409c3f348220c5d9419901e882c61531b68e07b80eb0d3df4

SHA512
b54d6cb92876546c38503e5e673d765f2e323246f5adbaefa83cdc62af6a462d117d3dc183666f902a84575590aa02f94d9997e7783e6f99050c57a710fab441

Download Submit
C:\Users\Admin\AppData\Roaming\hpiulquwja.txt

Filesize
92KB

MD5
d89bd5c794363237602a61b057673299

SHA1
3d37e97124b25fe0c955f880cfc7e0004809e2ac

SHA256
e038e94963e067ccda7e6df50965a117dd14603cddf0082e0759c6eb134549f4

SHA512
106dfa9ca06437317712386852c85d950bd9c07e67fee91a6b3aacce49c7012abfb8dc6dfff74a53203772706e1609fe41d10ecb2c861795ee61fd502bada35d

Download Submit
C:\Users\Admin\AppData\Roaming\oVxRAoYHJl.js

Filesize
53KB

MD5
3bb731a281fc7a55c9c7b8f192568c5a

SHA1
c31fe3483d2210876fd6b60ccbd65b4cc4d340d3

SHA256
1c9ffe5682dcf0a68f10d49d1ac6eea187f8afc2a5b99881654fdd83f37759ef

SHA512
803eef5aacc2d1feef93c5130297faa6af66903682fdd1871c281b6770d0c025e50f61ee3d99c96e146e13b30777efe07bfe5c5d5b2548cdcea26aceca75b683

Download Submit
C:\Users\Admin\xkxsxewbpw.js

Filesize
278KB

MD5
429911446e5f159495309d0290cb654c

SHA1
c75f6e784a1be339c92d356e200df1922c3a303b

SHA256
1c8942fcadb3b76905b0b71d267730f1f1bd26befe0d512a3fc8d9bab25b6289

SHA512
28bf47f7d25ce3cab61dda34df71a707824e72370a18f3ebe3f93e14013be17ffc7e61193d8f99f51499337d212fe201d45e2d81e0bb6f3135bb6d75cb4b0789

Download Submit
memory/372-2-0x0000020AE2BE0000-0x0000020AE3BE0000-memory.dmp

Filesize
16.0MB

Download
memory/372-13-0x0000020AE1340000-0x0000020AE1341000-memory.dmp

Filesize
4KB

Download
memory/1468-203-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1468-171-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1468-45-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1468-46-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/1468-47-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/2896-51-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-117-0x000002544C6D0000-0x000002544C6D1000-memory.dmp

Filesize
4KB

Download
memory/2896-65-0x000002544C6D0000-0x000002544C6D1000-memory.dmp

Filesize
4KB

Download
memory/2896-68-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-75-0x000002544C6D0000-0x000002544C6D1000-memory.dmp

Filesize
4KB

Download
memory/2896-83-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-92-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-58-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-144-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-161-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-41-0x000002544C6D0000-0x000002544C6D1000-memory.dmp

Filesize
4KB

Download
memory/2896-30-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/2896-204-0x000002544E310000-0x000002544E320000-memory.dmp

Filesize
64KB

Download
memory/2896-206-0x000002544DF30000-0x000002544EF30000-memory.dmp

Filesize
16.0MB

Download
memory/3968-205-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads