limerat | a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

Analysis

max time kernel
150s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2024 01:38

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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/1620-0-0x0000000000D00000-0x0000000000D54000-memory.dmp	family_zgrat_v1
behavioral2/files/0x0007000000000037-11.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

Detects executables packed with unregistered version of .NET Reactor 2 IoCs

resource	yara_rule
behavioral2/memory/1620-0-0x0000000000D00000-0x0000000000D54000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor
behavioral2/files/0x0007000000000037-11.dat	INDICATOR_EXE_Packed_DotNetReactor

.NET Reactor proctector 2 IoCs

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

resource	yara_rule
behavioral2/memory/1620-0-0x0000000000D00000-0x0000000000D54000-memory.dmp	net_reactor
behavioral2/files/0x0007000000000037-11.dat	net_reactor

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe

Executes dropped EXE 1 IoCs

pid	Process
1340	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
4720	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 4720	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	98
PID 1620 wrote to memory of 4720	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	98
PID 1620 wrote to memory of 4720	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	98
PID 1620 wrote to memory of 1340	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	100
PID 1620 wrote to memory of 1340	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	100
PID 1620 wrote to memory of 1340	1620	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	100

C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
"C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1620
- 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:4720
- C:\Users\Admin\AppData\Roaming\Necobit.exe
  "C:\Users\Admin\AppData\Roaming\Necobit.exe"
  2⤵
  - Executes dropped EXE
  PID:1340

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/1340-20-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1340-19-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1340-17-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1340-15-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1620-6-0x0000000006260000-0x0000000006804000-memory.dmp

Filesize
5.6MB

Download
memory/1620-1-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1620-5-0x00000000012A0000-0x0000000001306000-memory.dmp

Filesize
408KB

Download
memory/1620-4-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1620-18-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1620-3-0x00000000057B0000-0x000000000584C000-memory.dmp

Filesize
624KB

Download
memory/1620-2-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/1620-0-0x0000000000D00000-0x0000000000D54000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads