limerat | a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

Analysis

max time kernel
144s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
01-04-2024 07:16

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General

Target

a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.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 2 IoCs

resource	yara_rule
behavioral2/memory/4628-1-0x00000000002A0000-0x00000000002F4000-memory.dmp	family_zgrat_v1
behavioral2/files/0x0002000000029ef5-12.dat	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 2 IoCs

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

resource	yara_rule
behavioral2/memory/4628-1-0x00000000002A0000-0x00000000002F4000-memory.dmp	net_reactor
behavioral2/files/0x0002000000029ef5-12.dat	net_reactor

Executes dropped EXE 1 IoCs

pid	Process
2028	Necobit.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 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
5012	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 5012	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	82
PID 4628 wrote to memory of 5012	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	82
PID 4628 wrote to memory of 5012	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	82
PID 4628 wrote to memory of 2028	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	84
PID 4628 wrote to memory of 2028	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	84
PID 4628 wrote to memory of 2028	4628	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	84

C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
"C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- 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:5012
- C:\Users\Admin\AppData\Roaming\Necobit.exe
  "C:\Users\Admin\AppData\Roaming\Necobit.exe"
  2⤵
  - Executes dropped EXE
  PID:2028

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Necobit.exe

Filesize
314KB

MD5
ad997dc4ee32ab469e45009f218175d0

SHA1
17ef145486c494ea9c727972c501471e720887f0

SHA256
a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

SHA512
727aceb3edd5dfbbbad84e1aef4beb3773313378bd4fa6cd77800d6cf578ba740a5ebc1f3740593071a26daa2cf91e49243fa4ba043d934c8bd936a1526c18d0

Download Submit
memory/2028-21-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/2028-20-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/2028-19-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/2028-18-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4628-6-0x0000000000A60000-0x0000000000AC6000-memory.dmp

Filesize
408KB

Download
memory/4628-0-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4628-7-0x00000000059F0000-0x0000000005F96000-memory.dmp

Filesize
5.6MB

Download
memory/4628-5-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4628-17-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4628-4-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4628-3-0x0000000004E20000-0x0000000004EBC000-memory.dmp

Filesize
624KB

Download
memory/4628-2-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4628-1-0x00000000002A0000-0x00000000002F4000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads