limerat | f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d

General

Target

f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe
Size

90KB
MD5

e81693f9a731484df8f6731e1f2bbaf2
SHA1

8d7466cb1bb14fcfce6a75249427112b4297f755
SHA256

f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d
SHA512

8debd9d1abd20719b3408713c8438536458ce64374799e279eb2957753e1d8f5cc5a68590042e82e37b19443f46257e2ef1a92e20ca1aed30550f872cb056a20
SSDEEP

1536:j18S+HEBWbsocH3jLUJL4ySLtRvhaOzh4O9h6h91XvDldwCefK:3+kkY0JLl6tGE4kh6hLlr

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/UdLDJHDy
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

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

Processes:

f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe

Executes dropped EXE 1 IoCs

Processes:

explore.exe

pid	Process
372	explore.exe

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

Web Service

T1102

Processes:

flow	ioc
20	pastebin.com
21	pastebin.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exeschtasks.exeexplore.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explore.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
4648	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

explore.exe

description	pid	Process
Token: SeDebugPrivilege	372	explore.exe
Token: SeDebugPrivilege	372	explore.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe

description	pid	Process	procid_target
PID 3204 wrote to memory of 4648	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	88
PID 3204 wrote to memory of 4648	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	88
PID 3204 wrote to memory of 4648	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	88
PID 3204 wrote to memory of 372	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	90
PID 3204 wrote to memory of 372	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	90
PID 3204 wrote to memory of 372	3204	f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe	90

C:\Users\Admin\AppData\Local\Temp\f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe
"C:\Users\Admin\AppData\Local\Temp\f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\explore.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4648
- C:\Users\Admin\explore.exe
  "C:\Users\Admin\explore.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\explore.exe

Filesize
90KB

MD5
e81693f9a731484df8f6731e1f2bbaf2

SHA1
8d7466cb1bb14fcfce6a75249427112b4297f755

SHA256
f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d

SHA512
8debd9d1abd20719b3408713c8438536458ce64374799e279eb2957753e1d8f5cc5a68590042e82e37b19443f46257e2ef1a92e20ca1aed30550f872cb056a20

Download Submit
memory/372-31-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/372-30-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/372-29-0x0000000008870000-0x0000000008902000-memory.dmp

Filesize
584KB

Download
memory/372-28-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/372-26-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3204-3-0x0000000006F70000-0x000000000700C000-memory.dmp

Filesize
624KB

Download
memory/3204-7-0x0000000007F70000-0x0000000008514000-memory.dmp

Filesize
5.6MB

Download
memory/3204-6-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3204-5-0x0000000007210000-0x0000000007276000-memory.dmp

Filesize
408KB

Download
memory/3204-27-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3204-4-0x0000000004460000-0x0000000004466000-memory.dmp

Filesize
24KB

Download
memory/3204-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3204-2-0x0000000004980000-0x00000000049A8000-memory.dmp

Filesize
160KB

Download
memory/3204-1-0x0000000000050000-0x000000000006C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads