limerat | fbb2ba93880b2f923b51f528610f4df715fcb6e397b9e9bc49783d09a891df24

General

Target

Lecture10.exe
Size

203KB
MD5

ab33ded3d83d29d7c602e41bd9f3398b
SHA1

e2b55bb5e4ee386008b3509017ad7e9891ba770d
SHA256

fbb2ba93880b2f923b51f528610f4df715fcb6e397b9e9bc49783d09a891df24
SHA512

779789b6a959d260c4ea3ff9d03b22d98a76662234cb47553fd4f7e63743fe22399af90e8f39202a8e22e5fd5329889d2ffaf3229a19539817db3cf656110918
SSDEEP

1536:ZpnmwhSD3aIHiSxY9FNAxQKg+R0Rh77YFBVoyBEv5pW:nmwhSD3aqEtAFgx2FBuyeW

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1111
antivm
true
c2_url
https://pastebin.com/utedD1nd
delay
3
download_payload
false
install
true
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
true

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
Executes dropped EXE 1 IoCs

Processes:

Wservices.exe

pid process

2572 Wservices.exe
Loads dropped DLL 2 IoCs

Processes:

Lecture10.exe

pid process

2720 Lecture10.exe
2720 Lecture10.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

4 pastebin.com
5 pastebin.com
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

2604 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Wservices.exe

description pid process

Token: SeDebugPrivilege 2572 Wservices.exe
Token: SeDebugPrivilege 2572 Wservices.exe

pid	process
2572	Wservices.exe

pid	process
2720	Lecture10.exe
2720	Lecture10.exe

flow	ioc
4	pastebin.com
5	pastebin.com

pid	process
2604	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2572	Wservices.exe
Token: SeDebugPrivilege	2572	Wservices.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Lecture10.exe

description	pid	process	target process
PID 2720 wrote to memory of 2604	2720	Lecture10.exe	schtasks.exe
PID 2720 wrote to memory of 2604	2720	Lecture10.exe	schtasks.exe
PID 2720 wrote to memory of 2604	2720	Lecture10.exe	schtasks.exe
PID 2720 wrote to memory of 2604	2720	Lecture10.exe	schtasks.exe
PID 2720 wrote to memory of 2572	2720	Lecture10.exe	Wservices.exe
PID 2720 wrote to memory of 2572	2720	Lecture10.exe	Wservices.exe
PID 2720 wrote to memory of 2572	2720	Lecture10.exe	Wservices.exe
PID 2720 wrote to memory of 2572	2720	Lecture10.exe	Wservices.exe

C:\Users\Admin\AppData\Local\Temp\Lecture10.exe
"C:\Users\Admin\AppData\Local\Temp\Lecture10.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Wservices.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\Wservices.exe
  "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2572

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCF39.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\Wservices.exe

Filesize
203KB

MD5
ab33ded3d83d29d7c602e41bd9f3398b

SHA1
e2b55bb5e4ee386008b3509017ad7e9891ba770d

SHA256
fbb2ba93880b2f923b51f528610f4df715fcb6e397b9e9bc49783d09a891df24

SHA512
779789b6a959d260c4ea3ff9d03b22d98a76662234cb47553fd4f7e63743fe22399af90e8f39202a8e22e5fd5329889d2ffaf3229a19539817db3cf656110918

Download Submit
memory/2572-14-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-15-0x00000000010D0000-0x0000000001108000-memory.dmp

Filesize
224KB

Download
memory/2572-16-0x0000000000A80000-0x0000000000AC0000-memory.dmp

Filesize
256KB

Download
memory/2572-54-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-55-0x0000000000A80000-0x0000000000AC0000-memory.dmp

Filesize
256KB

Download
memory/2720-0-0x0000000000BA0000-0x0000000000BD8000-memory.dmp

Filesize
224KB

Download
memory/2720-1-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-3-0x00000000009F0000-0x0000000000A30000-memory.dmp

Filesize
256KB

Download
memory/2720-13-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads