limerat | a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp	family_zgrat_v1
\Users\Admin\AppData\Roaming\Necobit.exe	family_zgrat_v1
behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-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

Detects executables packed with unregistered version of .NET Reactor 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor
\Users\Admin\AppData\Roaming\Necobit.exe	INDICATOR_EXE_Packed_DotNetReactor
behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor
behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor

.NET Reactor proctector 4 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp	net_reactor
\Users\Admin\AppData\Roaming\Necobit.exe	net_reactor
behavioral1/memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp	net_reactor
behavioral1/memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp	net_reactor

Executes dropped EXE 1 IoCs

Processes:

Necobit.exe

pid process

2228 Necobit.exe

pid	process
2228	Necobit.exe

Loads dropped DLL 2 IoCs

Processes:

a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe

pid	process
2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.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

Processes:

schtasks.exe

pid process

1520 schtasks.exe

pid	process
1520	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe

description	pid	process	target process
PID 2804 wrote to memory of 1520	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	schtasks.exe
PID 2804 wrote to memory of 1520	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	schtasks.exe
PID 2804 wrote to memory of 1520	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	schtasks.exe
PID 2804 wrote to memory of 1520	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	schtasks.exe
PID 2804 wrote to memory of 2228	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	Necobit.exe
PID 2804 wrote to memory of 2228	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	Necobit.exe
PID 2804 wrote to memory of 2228	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	Necobit.exe
PID 2804 wrote to memory of 2228	2804	a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe	Necobit.exe

C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
"C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804

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:1520

C:\Users\Admin\AppData\Roaming\Necobit.exe
"C:\Users\Admin\AppData\Roaming\Necobit.exe"
2⤵
- Executes dropped EXE
PID:2228

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\Necobit.exe
Filesize
314KB

MD5
ad997dc4ee32ab469e45009f218175d0

SHA1
17ef145486c494ea9c727972c501471e720887f0

SHA256
a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166

SHA512
727aceb3edd5dfbbbad84e1aef4beb3773313378bd4fa6cd77800d6cf578ba740a5ebc1f3740593071a26daa2cf91e49243fa4ba043d934c8bd936a1526c18d0

Download Submit
memory/2228-16-0x0000000000C30000-0x0000000000C84000-memory.dmp

Filesize
336KB

Download
memory/2228-17-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-18-0x00000000003F0000-0x0000000000430000-memory.dmp

Filesize
256KB

Download
memory/2228-20-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-21-0x00000000003F0000-0x0000000000430000-memory.dmp

Filesize
256KB

Download
memory/2804-0-0x0000000000120000-0x0000000000174000-memory.dmp

Filesize
336KB

Download
memory/2804-1-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-2-0x0000000001E40000-0x0000000001E80000-memory.dmp

Filesize
256KB

Download
memory/2804-3-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-4-0x0000000001E40000-0x0000000001E80000-memory.dmp

Filesize
256KB

Download
memory/2804-19-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads