limerat | 31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb

Analysis

max time kernel
125s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 21:15

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General

Target

31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe
Size

886KB
MD5

8b637ff4088420db4452d5520dbb5322
SHA1

ff4f59e05fc12fcc63152865249fd2201234059c
SHA256

31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb
SHA512

865ad3eef1b9447a142f73918fdb124ceef16c2833ee0915f647d480031e6ce420bf019e94a9b44af693b8d54c7b818eeea5e9e4d8a7bf9e81f69b969a292f0a
SSDEEP

24576:4RnVM8ucIfxiCYG1mfo/O91ewJEzJsUKkWHTUzBc790WdTfreNwqBcY1j:+CbqoCQ8dk

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

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

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/wnVQqrBE
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
Limerat family
limerat

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
15	pastebin.com
16	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 464 set thread context of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe
464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe
Token: SeDebugPrivilege	4200	RegAsm.exe
Token: SeDebugPrivilege	4200	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83
PID 464 wrote to memory of 4200	464	31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe	83

C:\Users\Admin\AppData\Local\Temp\31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe
"C:\Users\Admin\AppData\Local\Temp\31d7267be9bea428656d5816407f54465874ab19412bb9fc9b6e9ff3ae071fcb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/464-44-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-8-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-2-0x00000000054A0000-0x00000000054DC000-memory.dmp

Filesize
240KB

Download
memory/464-3-0x00000000054E0000-0x0000000005508000-memory.dmp

Filesize
160KB

Download
memory/464-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/464-5-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-42-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-68-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-73-0x0000000005550000-0x0000000005566000-memory.dmp

Filesize
88KB

Download
memory/464-11-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-16-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-40-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-72-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/464-71-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/464-66-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-64-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-62-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-58-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-57-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-54-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/464-50-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-48-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-46-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-52-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-1-0x0000000000AD0000-0x0000000000B9A000-memory.dmp

Filesize
808KB

Download
memory/464-77-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/464-38-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-36-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-32-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-30-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-26-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-25-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-22-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-20-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-18-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-15-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-12-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-6-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-60-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-34-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/464-28-0x00000000054E0000-0x0000000005501000-memory.dmp

Filesize
132KB

Download
memory/4200-78-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4200-76-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-79-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/4200-80-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-81-0x00000000064D0000-0x0000000006A74000-memory.dmp

Filesize
5.6MB

Download
memory/4200-82-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-83-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download