limerat | 74dc53f8bf55dcc17852e5b623dc957ed83ba21b09e3c0630bb313cde14988ac

General

Target

JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe
Size

90KB
MD5

ad06f960c187a89ec33dd551ce97365c
SHA1

06eb142708364b293dba46b8999730b31d0192c1
SHA256

74dc53f8bf55dcc17852e5b623dc957ed83ba21b09e3c0630bb313cde14988ac
SHA512

af40c2feb1f8862831f0776ddfbfef07622bd362f727178e05ef42a4c33e141649cafa644195e72bf562e447badd909ac0a28c51c71cfbd3a27bd65567725deb
SSDEEP

1536:j18S+HEBWbsocH3jLUJL4ySLtRvhaOzh4O9h6h91XvDldwCef:3+kkY0JLl6tGE4kh6hLl

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

Executes dropped EXE 1 IoCs

pid	Process
2496	explore.exe

Loads dropped DLL 2 IoCs

pid	Process
2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe
2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.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

pid	Process
2688	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	explore.exe
Token: SeDebugPrivilege	2496	explore.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2688	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	31
PID 2888 wrote to memory of 2688	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	31
PID 2888 wrote to memory of 2688	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	31
PID 2888 wrote to memory of 2688	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	31
PID 2888 wrote to memory of 2496	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	33
PID 2888 wrote to memory of 2496	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	33
PID 2888 wrote to memory of 2496	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	33
PID 2888 wrote to memory of 2496	2888	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- 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:2688
- 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:2496

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

System Information Discovery

1

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

\Users\Admin\explore.exe

Filesize
90KB

MD5
ad06f960c187a89ec33dd551ce97365c

SHA1
06eb142708364b293dba46b8999730b31d0192c1

SHA256
74dc53f8bf55dcc17852e5b623dc957ed83ba21b09e3c0630bb313cde14988ac

SHA512
af40c2feb1f8862831f0776ddfbfef07622bd362f727178e05ef42a4c33e141649cafa644195e72bf562e447badd909ac0a28c51c71cfbd3a27bd65567725deb

Download Submit
memory/2496-16-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-15-0x0000000000970000-0x000000000098C000-memory.dmp

Filesize
112KB

Download
memory/2496-18-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-19-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-20-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x0000000001090000-0x00000000010AC000-memory.dmp

Filesize
112KB

Download
memory/2888-2-0x00000000001F0000-0x0000000000218000-memory.dmp

Filesize
160KB

Download
memory/2888-3-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2888-4-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-17-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads