limerat | 5209bba177a2075a6c5b1d65906344208405d997f9cab2371b47276d020df858

General

Target

4cc6941db410630d3d300a6093932339_JaffaCakes118.exe
Size

1.1MB
MD5

4cc6941db410630d3d300a6093932339
SHA1

eeaa0601427db44c13f687ae4570f6d77fd4a151
SHA256

5209bba177a2075a6c5b1d65906344208405d997f9cab2371b47276d020df858
SHA512

21208a11a199809cad1dcf53a59d828a21d0e976e41810e9c27fb281b60476ee70cdf7da560c15d4ff715e36c711ac26153122841a45be9cc6fccd0b3c63bc3a
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25M:/h+ZkldoPK8Ya971XjFtAM

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 2 IoCs

Processes:

sdchange.exesdchange.exe

pid process

860 sdchange.exe
1836 sdchange.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

pid	process
860	sdchange.exe
1836	sdchange.exe

flow	ioc
4	pastebin.com
5	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 3 IoCs

Processes:

4cc6941db410630d3d300a6093932339_JaffaCakes118.exesdchange.exesdchange.exe

description	pid	process	target process
PID 1932 set thread context of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 860 set thread context of 1228	860	sdchange.exe	RegAsm.exe
PID 1836 set thread context of 1488	1836	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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1584 schtasks.exe
2284 schtasks.exe
1916 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2488 RegAsm.exe
Token: SeDebugPrivilege 2488 RegAsm.exe

pid	process
1584	schtasks.exe
2284	schtasks.exe
1916	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2488	RegAsm.exe
Token: SeDebugPrivilege	2488	RegAsm.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

4cc6941db410630d3d300a6093932339_JaffaCakes118.exetaskeng.exesdchange.exesdchange.exe

description	pid	process	target process
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2488	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	RegAsm.exe
PID 1932 wrote to memory of 2284	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	schtasks.exe
PID 1932 wrote to memory of 2284	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	schtasks.exe
PID 1932 wrote to memory of 2284	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	schtasks.exe
PID 1932 wrote to memory of 2284	1932	4cc6941db410630d3d300a6093932339_JaffaCakes118.exe	schtasks.exe
PID 584 wrote to memory of 860	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 860	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 860	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 860	584	taskeng.exe	sdchange.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1228	860	sdchange.exe	RegAsm.exe
PID 860 wrote to memory of 1916	860	sdchange.exe	schtasks.exe
PID 860 wrote to memory of 1916	860	sdchange.exe	schtasks.exe
PID 860 wrote to memory of 1916	860	sdchange.exe	schtasks.exe
PID 860 wrote to memory of 1916	860	sdchange.exe	schtasks.exe
PID 584 wrote to memory of 1836	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 1836	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 1836	584	taskeng.exe	sdchange.exe
PID 584 wrote to memory of 1836	584	taskeng.exe	sdchange.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1488	1836	sdchange.exe	RegAsm.exe
PID 1836 wrote to memory of 1584	1836	sdchange.exe	schtasks.exe
PID 1836 wrote to memory of 1584	1836	sdchange.exe	schtasks.exe
PID 1836 wrote to memory of 1584	1836	sdchange.exe	schtasks.exe
PID 1836 wrote to memory of 1584	1836	sdchange.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cc6941db410630d3d300a6093932339_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- 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:2488
- 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:2284

C:\Windows\system32\taskeng.exe
taskeng.exe {BA72EEC5-06E6-4947-9E5B-ED3914FA2A6D} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:584
- 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:860
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1228
- - 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:1916
- 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:1836
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1488
- - 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:1584

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

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Downloads

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

Filesize
1.1MB

MD5
f655537f8ea21f797a1e917715b12b88

SHA1
62bf7a87552c8f702f3a3e10f6cb62d414c70cf7

SHA256
1316e4d936b5bed9f0973ab963b18af71a186f7f5e4682051c234268c13d764e

SHA512
b1c3c79432d8ee769d2cfef8b6ec3610d3566a060344878af47c9ef15de7bba1e73a39e1c704747f5676e08823490a13c1e39def27d0404f09e7669567090004

Download Submit
memory/1932-8-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2488-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2488-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2488-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2488-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2488-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2488-9-0x0000000073BB2000-0x0000000073BB4000-memory.dmp

Filesize
8KB

Download
memory/2488-12-0x0000000073BB2000-0x0000000073BB4000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads