limerat | a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2024 01:26

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General

Target

ad997dc4ee32ab469e45009f218175d0.exe
Size

314KB
MD5

ad997dc4ee32ab469e45009f218175d0
SHA1

17ef145486c494ea9c727972c501471e720887f0
SHA256

a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166
SHA512

727aceb3edd5dfbbbad84e1aef4beb3773313378bd4fa6cd77800d6cf578ba740a5ebc1f3740593071a26daa2cf91e49243fa4ba043d934c8bd936a1526c18d0
SSDEEP

3072:oiPK9mkbyBaKJyPATmiyAnY5o9BrFV0bIBVvBCj4EKK4h75AQ5ii:oCj2yBOiW5o972jEh75F5ii

Score

10^/10

limerat zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/684-1-0x00000000007B0000-0x0000000000804000-memory.dmp	family_zgrat_v1

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral2/memory/684-1-0x00000000007B0000-0x0000000000804000-memory.dmp	net_reactor

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

3036 schtasks.exe

pid	process
3036	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ad997dc4ee32ab469e45009f218175d0.exe

description	pid	process	target process
PID 684 wrote to memory of 3036	684	ad997dc4ee32ab469e45009f218175d0.exe	schtasks.exe
PID 684 wrote to memory of 3036	684	ad997dc4ee32ab469e45009f218175d0.exe	schtasks.exe
PID 684 wrote to memory of 3036	684	ad997dc4ee32ab469e45009f218175d0.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ad997dc4ee32ab469e45009f218175d0.exe
"C:\Users\Admin\AppData\Local\Temp\ad997dc4ee32ab469e45009f218175d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Necobit.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3036

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:3564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/684-0-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/684-1-0x00000000007B0000-0x0000000000804000-memory.dmp

Filesize
336KB

Download
memory/684-2-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/684-3-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/684-4-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/684-5-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/684-6-0x0000000001130000-0x0000000001196000-memory.dmp

Filesize
408KB

Download
memory/684-7-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download