limerat | 297c3bfe34c2c0e7babc29946ff38c985293f2eb0dad98836a5ac340d35c9a77

General

Target

BlackHAT.exe
Size

51KB
MD5

d5700c41472c7b4520203ed24422cd86
SHA1

6abfc54feaab58a84810f1d1c63bd43b2d8a9192
SHA256

297c3bfe34c2c0e7babc29946ff38c985293f2eb0dad98836a5ac340d35c9a77
SHA512

46d6037e97bb2587906feaf6e2d20e3abb5b3dcc1bf55767c7976f24ee0da952e3c4b68b29d810901cdbcd6ceee7cd73884cc3dc1a45e2a98ae9d9010ead217d
SSDEEP

768:SpMN6RpwdiERAkXL45NyJuKn1pj8hhs1SDdxYu+h7yokbz:SpbpwdTn0ewKnHohm1SDdxYEokbz

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
123499
antivm
false
c2_url
https://pastebin.com/raw/zwppgXcp
delay
3
download_payload
false
install
true
install_name
WindowsServices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

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

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	BlackHAT.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	WindowsServices.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
22	pastebin.com
23	pastebin.com
24	0.tcp.ap.ngrok.io
59	0.tcp.ap.ngrok.io
77	0.tcp.ap.ngrok.io

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

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

pid	Process
1092	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	WindowsServices.exe
Token: SeDebugPrivilege	2824	WindowsServices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1092	4880	BlackHAT.exe	84
PID 4880 wrote to memory of 1092	4880	BlackHAT.exe	84
PID 4880 wrote to memory of 1092	4880	BlackHAT.exe	84
PID 4880 wrote to memory of 2824	4880	BlackHAT.exe	86
PID 4880 wrote to memory of 2824	4880	BlackHAT.exe	86
PID 4880 wrote to memory of 2824	4880	BlackHAT.exe	86

C:\Users\Admin\AppData\Local\Temp\BlackHAT.exe
"C:\Users\Admin\AppData\Local\Temp\BlackHAT.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1092
- C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2824

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\AppData\Local\Temp\WindowsServices.exe

Filesize
51KB

MD5
d5700c41472c7b4520203ed24422cd86

SHA1
6abfc54feaab58a84810f1d1c63bd43b2d8a9192

SHA256
297c3bfe34c2c0e7babc29946ff38c985293f2eb0dad98836a5ac340d35c9a77

SHA512
46d6037e97bb2587906feaf6e2d20e3abb5b3dcc1bf55767c7976f24ee0da952e3c4b68b29d810901cdbcd6ceee7cd73884cc3dc1a45e2a98ae9d9010ead217d

Download Submit
memory/2824-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2824-17-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2824-18-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2824-19-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4880-1-0x0000000000A10000-0x0000000000A22000-memory.dmp

Filesize
72KB

Download
memory/4880-2-0x00000000053C0000-0x000000000545C000-memory.dmp

Filesize
624KB

Download
memory/4880-3-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/4880-4-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-5-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/4880-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads