limerat | 2db5ed9ab6a2d81ca49933178f01d0e27455df3a113ba61e48dee0622a82a2c3

General

Target

ab52200ad0e49b4376f6e816e4cf84a1.exe
Size

1.1MB
MD5

ab52200ad0e49b4376f6e816e4cf84a1
SHA1

f1b157488357529c76d9e1ff4c9a5352ad1d0028
SHA256

2db5ed9ab6a2d81ca49933178f01d0e27455df3a113ba61e48dee0622a82a2c3
SHA512

81fd33be234c88e898fbd615c21434d0c4ef99238dab07aaa82cc5b5d39e25ac02da27ae724f8fa302139b997a69ef14683b07a20f8ed4a80ff273c60735c83e
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25t:/h+ZkldoPK8Ya971XjFtAt

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes

aes_key
nulled
antivm
true
c2_url
https://pastebin.com/raw/cXuQ0V20
delay
3
download_payload
false
install
false
install_name
Winservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/cXuQ0V20
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
Executes dropped EXE 3 IoCs

Processes:

sdchange.exesdchange.exesdchange.exe

pid process

2692 sdchange.exe
1880 sdchange.exe
1584 sdchange.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

2 pastebin.com
3 pastebin.com

pid	process
2692	sdchange.exe
1880	sdchange.exe
1584	sdchange.exe

flow	ioc
2	pastebin.com
3	pastebin.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\secinit\sdchange.exe	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

ab52200ad0e49b4376f6e816e4cf84a1.exesdchange.exesdchange.exesdchange.exe

description	pid	process	target process
PID 1388 set thread context of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 2692 set thread context of 2800	2692	sdchange.exe	RegAsm.exe
PID 1880 set thread context of 1916	1880	sdchange.exe	RegAsm.exe
PID 1584 set thread context of 544	1584	sdchange.exe	RegAsm.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 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

2592 schtasks.exe
1472 schtasks.exe
1168 schtasks.exe
1388 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1648 RegAsm.exe
Token: SeDebugPrivilege 1648 RegAsm.exe

pid	process
2592	schtasks.exe
1472	schtasks.exe
1168	schtasks.exe
1388	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1648	RegAsm.exe
Token: SeDebugPrivilege	1648	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

ab52200ad0e49b4376f6e816e4cf84a1.exetaskeng.exesdchange.exesdchange.exesdchange.exe

description	pid	process	target process
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 1648	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	RegAsm.exe
PID 1388 wrote to memory of 2592	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	schtasks.exe
PID 1388 wrote to memory of 2592	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	schtasks.exe
PID 1388 wrote to memory of 2592	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	schtasks.exe
PID 1388 wrote to memory of 2592	1388	ab52200ad0e49b4376f6e816e4cf84a1.exe	schtasks.exe
PID 2384 wrote to memory of 2692	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 2692	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 2692	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 2692	2384	taskeng.exe	sdchange.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 2800	2692	sdchange.exe	RegAsm.exe
PID 2692 wrote to memory of 1472	2692	sdchange.exe	schtasks.exe
PID 2692 wrote to memory of 1472	2692	sdchange.exe	schtasks.exe
PID 2692 wrote to memory of 1472	2692	sdchange.exe	schtasks.exe
PID 2692 wrote to memory of 1472	2692	sdchange.exe	schtasks.exe
PID 2384 wrote to memory of 1880	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1880	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1880	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1880	2384	taskeng.exe	sdchange.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1916	1880	sdchange.exe	RegAsm.exe
PID 1880 wrote to memory of 1168	1880	sdchange.exe	schtasks.exe
PID 1880 wrote to memory of 1168	1880	sdchange.exe	schtasks.exe
PID 1880 wrote to memory of 1168	1880	sdchange.exe	schtasks.exe
PID 1880 wrote to memory of 1168	1880	sdchange.exe	schtasks.exe
PID 2384 wrote to memory of 1584	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1584	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1584	2384	taskeng.exe	sdchange.exe
PID 2384 wrote to memory of 1584	2384	taskeng.exe	sdchange.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 544	1584	sdchange.exe	RegAsm.exe
PID 1584 wrote to memory of 1388	1584	sdchange.exe	schtasks.exe
PID 1584 wrote to memory of 1388	1584	sdchange.exe	schtasks.exe
PID 1584 wrote to memory of 1388	1584	sdchange.exe	schtasks.exe
PID 1584 wrote to memory of 1388	1584	sdchange.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ab52200ad0e49b4376f6e816e4cf84a1.exe
"C:\Users\Admin\AppData\Local\Temp\ab52200ad0e49b4376f6e816e4cf84a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:2592

C:\Windows\system32\taskeng.exe
taskeng.exe {55ABA4D0-6C40-4C9B-80D9-CA821C21925F} S-1-5-21-778096762-2241304387-192235952-1000:AYFLYVMK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2800
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1472
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1916
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1168
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:544
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1388

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar78D0.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\secinit\sdchange.exe

Filesize
1.1MB

MD5
01d51626834ae5deca7a3342e3946b2c

SHA1
bbb68194c8e3d5aded27b503d7bccac7d8aab979

SHA256
8983c1a51411ab82a6e74e7c66136ee524556e4d927a680fdf3ab2f3737c8ea6

SHA512
7bf225cfb8501e5a0e3c9295e31bcf1c68e0c82c30a9ab05256a730c7e9da8fee05e6f4a531a5aeb63472c20458d6a1234d165a9c343ab22c2cb1474533ab172

Download Submit
memory/544-84-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/544-85-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/1388-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1648-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1648-12-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-9-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1648-8-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1648-3-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1648-1-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1648-60-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-72-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-73-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2800-62-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-61-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2800-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads