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

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	NetFramework.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 26 IoCs

Web Service

T1102

flow	ioc
38	pastebin.com
41	pastebin.com
50	pastebin.com
55	pastebin.com
62	pastebin.com
66	pastebin.com
40	pastebin.com
42	pastebin.com
43	pastebin.com
45	pastebin.com
52	pastebin.com
53	pastebin.com
58	pastebin.com
63	pastebin.com
37	pastebin.com
49	pastebin.com
51	pastebin.com
54	pastebin.com
56	pastebin.com
57	pastebin.com
60	pastebin.com
64	pastebin.com
46	pastebin.com
59	pastebin.com
61	pastebin.com
65	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
2172	schtasks.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: 33	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: SeIncBasePriorityPrivilege	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
Token: SeDebugPrivilege	3396	NetFramework.exe
Token: 33	3396	NetFramework.exe
Token: SeIncBasePriorityPrivilege	3396	NetFramework.exe
Token: SeDebugPrivilege	3396	NetFramework.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2172	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	91
PID 3832 wrote to memory of 2172	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	91
PID 3832 wrote to memory of 2172	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	91
PID 3832 wrote to memory of 3396	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	93
PID 3832 wrote to memory of 3396	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	93
PID 3832 wrote to memory of 3396	3832	JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_958fcc601c2a017436e7acd4d31697a6.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3832
- 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:2172
- 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:3396

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

3

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/3396-17-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-14-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-16-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-18-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-19-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-20-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3832-2-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3832-3-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download
memory/3832-4-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3832-1-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3832-15-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3832-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads