limerat | 05f0ad4df75e687b4a188f34e31a60afb0a772d32e51f6e77f62ec484e7cf35e

General

Target

de02ba99f65d07c4973b33fec5aefdac.exe
Size

1.6MB
MD5

de02ba99f65d07c4973b33fec5aefdac
SHA1

54419bd1e07a8e3ab393c55cf55570bc3fe2b526
SHA256

05f0ad4df75e687b4a188f34e31a60afb0a772d32e51f6e77f62ec484e7cf35e
SHA512

c38740af611109ebae7552045e4b1d88909840d54c91ad585adba52b2d36be806fde3f84c1cd18c086debe995ef5475faf9b53614ebe83fe56825c97a877d6d8
SSDEEP

49152:ReKvWKlH8SM3ShGiSTZdXTZdHXTZdXTZ:

Score

10^/10

limerat persistence rat

Malware Config

Extracted

Family

limerat

Wallets

3Qus18px7doBsKbzeHGBmnanWuPS4S3tAn

Attributes

aes_key
7aXx4CiaQxg8Py3gI
antivm
true
c2_url
https://pastebin.com/raw/ZJvAZBza
delay
60
download_payload
false
install
true
install_name
csrss.exe
main_folder
Temp
pin_spread
true
sub_folder
\
usb_spread
true

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	de02ba99f65d07c4973b33fec5aefdac.exe

Executes dropped EXE 3 IoCs

pid	Process
1220	TeraBIT Virus Maker 3.1 (1).exe
5112	Wservices.exe
8	Wservices.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wservices.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Wservices.exe"	de02ba99f65d07c4973b33fec5aefdac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 8	5112	Wservices.exe	113

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1220	TeraBIT Virus Maker 3.1 (1).exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1220	4976	de02ba99f65d07c4973b33fec5aefdac.exe	85
PID 4976 wrote to memory of 1220	4976	de02ba99f65d07c4973b33fec5aefdac.exe	85
PID 4976 wrote to memory of 1220	4976	de02ba99f65d07c4973b33fec5aefdac.exe	85
PID 4976 wrote to memory of 5112	4976	de02ba99f65d07c4973b33fec5aefdac.exe	104
PID 4976 wrote to memory of 5112	4976	de02ba99f65d07c4973b33fec5aefdac.exe	104
PID 4976 wrote to memory of 5112	4976	de02ba99f65d07c4973b33fec5aefdac.exe	104
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113
PID 5112 wrote to memory of 8	5112	Wservices.exe	113

C:\Users\Admin\AppData\Local\Temp\de02ba99f65d07c4973b33fec5aefdac.exe
"C:\Users\Admin\AppData\Local\Temp\de02ba99f65d07c4973b33fec5aefdac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\TeraBIT Virus Maker 3.1 (1).exe
  "C:\Users\Admin\AppData\Local\Temp\TeraBIT Virus Maker 3.1 (1).exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1220
- C:\Users\Admin\AppData\Roaming\Wservices.exe
  "C:\Users\Admin\AppData\Roaming\Wservices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Users\Admin\AppData\Roaming\Wservices.exe
    "C:\Users\Admin\AppData\Roaming\Wservices.exe"
    3⤵
    - Executes dropped EXE
    PID:8

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Wservices.exe.log

Filesize
617B

MD5
e07efe3f1e4fcc39483a46d0644e1750

SHA1
083566e513d8090982a8f2d2c57864f7e5eea721

SHA256
d35da5dbc639e94852448d93722de5260388abf8a0a6b80d947d8acf02209617

SHA512
e29fac6efce55130598dd9ca0be18e2934d8ed417087848f4c80c1754312f1dae2eb0fc3e85e58aa11abde23a221bdf8f6b80df3a9acad4891626f667f05b474

Download Submit
C:\Users\Admin\AppData\Local\Temp\TeraBIT Virus Maker 3.1 (1).exe

Filesize
92KB

MD5
024f402d39741ad9238703ab750575f4

SHA1
2bd19f9be8b06f032d302224700673bd71e1b828

SHA256
dd95a729cc73cc5383d8951d4f36f70c381fe0a666b8f4309b03959ad591b338

SHA512
db9ffdb6076620efe51de89e6b9a19240ebec0e8faf127887abf4bad654c56893814d0a87ffd6975680e9dab15d217d13dde94633552b72b194df0b7ef2bcbd7

Download Submit
C:\Users\Admin\AppData\Local\Temp\TeraBIT Virus Maker 3.1 (1).exe

Filesize
676KB

MD5
5b7cbfc8d8bc22798ee4fc4aa4b03e3b

SHA1
76f643b3f67f76f4182ef18e43e298e2e8570044

SHA256
35bcbae8dd3191cf58c48618d0cc43fb8fee8493e7c872d7742b4d499c383af9

SHA512
85228be9bc801d412bab150f3238c95390e18ab5f3a88bbc2406a40818e7c4482e77462b4a302be78075b1b631d6ac4a5939b8040d3742d3b822361642f796bd

Download Submit
C:\Users\Admin\AppData\Roaming\Wservices.exe

Filesize
93KB

MD5
8e2f9bd352a3565403007d870bfb6e3f

SHA1
403f20a51785612502325afd824b582601cda6e0

SHA256
51ad5bd0d41b2f4e1529eddac54a2a32897ed8f4367db0e5ab440024c65bb448

SHA512
c19e50d3c63038957356528a35cd29225cd7c23ea1e8807e1664beada6b1cd31b1405c85b5fe700b5a66d5120c9cdd12935cc6f4a9de62e26416fb30f53a51d7

Download Submit
memory/8-40-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/8-35-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/8-41-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/4976-17-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/4976-16-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/4976-1-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/4976-0-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/4976-30-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/4976-2-0x0000000002560000-0x00000000025FC000-memory.dmp

Filesize
624KB

Download
memory/5112-32-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/5112-34-0x0000000000870000-0x0000000000888000-memory.dmp

Filesize
96KB

Download
memory/5112-39-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/5112-33-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

Filesize
64KB

Download
memory/5112-31-0x0000000074BB0000-0x0000000075360000-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