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

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_ad06f960c187a89ec33dd551ce97365c.exe

Executes dropped EXE 1 IoCs

pid	Process
4388	explore.exe

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

Web Service

T1102

flow	ioc
18	pastebin.com
19	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
2872	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	explore.exe
Token: SeDebugPrivilege	4388	explore.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 2872	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	83
PID 440 wrote to memory of 2872	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	83
PID 440 wrote to memory of 2872	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	83
PID 440 wrote to memory of 4388	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	85
PID 440 wrote to memory of 4388	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	85
PID 440 wrote to memory of 4388	440	JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad06f960c187a89ec33dd551ce97365c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:440
- 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:2872
- 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:4388

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
ad06f960c187a89ec33dd551ce97365c

SHA1
06eb142708364b293dba46b8999730b31d0192c1

SHA256
74dc53f8bf55dcc17852e5b623dc957ed83ba21b09e3c0630bb313cde14988ac

SHA512
af40c2feb1f8862831f0776ddfbfef07622bd362f727178e05ef42a4c33e141649cafa644195e72bf562e447badd909ac0a28c51c71cfbd3a27bd65567725deb

Download Submit
memory/440-6-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/440-1-0x0000000000E10000-0x0000000000E2C000-memory.dmp

Filesize
112KB

Download
memory/440-3-0x0000000007B90000-0x0000000007C2C000-memory.dmp

Filesize
624KB

Download
memory/440-4-0x0000000003080000-0x0000000003086000-memory.dmp

Filesize
24KB

Download
memory/440-5-0x0000000007EA0000-0x0000000007F06000-memory.dmp

Filesize
408KB

Download
memory/440-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/440-7-0x0000000008AC0000-0x0000000009064000-memory.dmp

Filesize
5.6MB

Download
memory/440-2-0x00000000056E0000-0x0000000005708000-memory.dmp

Filesize
160KB

Download
memory/440-26-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4388-27-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4388-28-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4388-29-0x0000000008C60000-0x0000000008CF2000-memory.dmp

Filesize
584KB

Download
memory/4388-30-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4388-31-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads