limerat | ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

Analysis

max time kernel
130s
max time network
168s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 15:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
Size

705KB
MD5

78c1fe5e37783f64704335ebae1520f1
SHA1

ea937129d39f86899fa0c103d89dd75cb447c518
SHA256

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa
SHA512

3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10
SSDEEP

6144:hlSuJBbblPI3sp7ScV1zQWXdo6G8nG4ZUkqa:rHSgf1lKz8ny4

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
IRj3SceatjDfweW/qMMw7g==
antivm
false
c2_url
https://pastebin.com/raw/VWmukkKm
delay
3
download_payload
false
install
true
install_name
Audio Realtek Driver.exe
main_folder
AppData
pin_spread
true
sub_folder
\Audio Realtek Driver\
usb_spread
false

Signatures

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

Executes dropped EXE 2 IoCs

Processes:

Audio Realtek Driver.exeAudio Realtek Driver.exe

pid	Process
1276	Audio Realtek Driver.exe
1076	Audio Realtek Driver.exe

Loads dropped DLL 2 IoCs

Processes:

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exeAudio Realtek Driver.exe

pid	Process
1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
1276	Audio Realtek Driver.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exeAudio Realtek Driver.exe

description	pid	Process	procid_target
PID 1536 set thread context of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1276 set thread context of 1076	1276	Audio Realtek Driver.exe	32

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

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

T1053

Processes:

schtasks.exe

pid	Process
1476	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Audio Realtek Driver.exe

description	pid	Process
Token: SeDebugPrivilege	1076	Audio Realtek Driver.exe
Token: SeDebugPrivilege	1076	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exeed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exeAudio Realtek Driver.exe

description	pid	Process	procid_target
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1536 wrote to memory of 1064	1536	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	27
PID 1064 wrote to memory of 1476	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	29
PID 1064 wrote to memory of 1476	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	29
PID 1064 wrote to memory of 1476	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	29
PID 1064 wrote to memory of 1476	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	29
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1064 wrote to memory of 1276	1064	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	31
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32
PID 1276 wrote to memory of 1076	1276	Audio Realtek Driver.exe	32

C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
"C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
  "C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:1476
- - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
    "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
      "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
memory/1064-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1064-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1064-63-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1064-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1064-67-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/1064-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1064-61-0x0000000000408DAE-mapping.dmp

Download
memory/1064-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1076-79-0x0000000000408DAE-mapping.dmp

Download
memory/1276-72-0x0000000000EA0000-0x0000000000F56000-memory.dmp

Filesize
728KB

Download
memory/1276-69-0x0000000000000000-mapping.dmp

Download
memory/1476-66-0x0000000000000000-mapping.dmp

Download
memory/1536-55-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/1536-54-0x0000000000CD0000-0x0000000000D86000-memory.dmp

Filesize
728KB

Download