limerat | d35b0d4acf25550d2fdb234dfc4fc04443014ffb2237f1949d1dd348d0aa44d0

General

Target

JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Size

124KB
MD5

958fcc601c2a017436e7acd4d31697a6
SHA1

c399333efba23754949cb4d73334761f6cb6ef2d
SHA256

d35b0d4acf25550d2fdb234dfc4fc04443014ffb2237f1949d1dd348d0aa44d0
SHA512

09f042016c16e0c2356e645040215bebb715f180663528d13ff279fddb2c643fae4c899c1be7b05341978281f596d159e6efbb7afa4e8e96666d7842ab67d366
SSDEEP

768:OAYDnxwVhDnVMcW9/Bpl6iOQSieEL3gvWw296lzrU22o5Qe3R5uRAUgwBV6:hCxwrnVM/BxODCLQ6k5H3nwg

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

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

Executes dropped EXE 1 IoCs

pid	Process
2856	NetFramework.exe

Loads dropped DLL 2 IoCs

pid	Process
1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 25 IoCs

Web Service

T1102

flow	ioc
12	pastebin.com
13	pastebin.com
14	pastebin.com
5	pastebin.com
8	pastebin.com
9	pastebin.com
27	pastebin.com
11	pastebin.com
18	pastebin.com
20	pastebin.com
22	pastebin.com
23	pastebin.com
24	pastebin.com
6	pastebin.com
7	pastebin.com
17	pastebin.com
16	pastebin.com
19	pastebin.com
21	pastebin.com
25	pastebin.com
26	pastebin.com
4	pastebin.com
10	pastebin.com
15	pastebin.com
28	pastebin.com

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	NetFramework.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	NetFramework.exe

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	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NetFramework.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
3004	schtasks.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: 33	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: SeIncBasePriorityPrivilege	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: SeDebugPrivilege	2856	NetFramework.exe
Token: 33	2856	NetFramework.exe
Token: SeIncBasePriorityPrivilege	2856	NetFramework.exe
Token: SeDebugPrivilege	2856	NetFramework.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 3004	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	32
PID 1272 wrote to memory of 3004	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	32
PID 1272 wrote to memory of 3004	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	32
PID 1272 wrote to memory of 3004	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	32
PID 1272 wrote to memory of 2856	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	34
PID 1272 wrote to memory of 2856	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	34
PID 1272 wrote to memory of 2856	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	34
PID 1272 wrote to memory of 2856	1272	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\NetFramework.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3004
- C:\Users\Admin\AppData\Roaming\NetFramework.exe
  "C:\Users\Admin\AppData\Roaming\NetFramework.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2856

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

Peripheral Device Discovery

Query Registry

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\Roaming\NetFramework.exe

Filesize
124KB

MD5
958fcc601c2a017436e7acd4d31697a6

SHA1
c399333efba23754949cb4d73334761f6cb6ef2d

SHA256
d35b0d4acf25550d2fdb234dfc4fc04443014ffb2237f1949d1dd348d0aa44d0

SHA512
09f042016c16e0c2356e645040215bebb715f180663528d13ff279fddb2c643fae4c899c1be7b05341978281f596d159e6efbb7afa4e8e96666d7842ab67d366

Download Submit
memory/1272-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/1272-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-3-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1272-13-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2856-16-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2856-15-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2856-17-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads