limerat | 93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f

General

Target

93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe
Size

30KB
MD5

e3eaf28d0259c1b26429966c9b09a3cc
SHA1

b117999cc232f0faf9ff619dcabe34cea1f4d37e
SHA256

93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f
SHA512

3aa82942d23f9c43810098798fa59fe2c31b0b471bcd1d29329049b2c1089bda018afa306b12f9505f378807d4191fd6780d71b8373bde0457281e36b6b48f3e
SSDEEP

384:ZpB+Sbj6NKsfv6ZRAHNqOL5qDYu7HPFGvDKNrCeJE3WNg3U7a6mdRXRen+PB+Qr3:ZDpsH6ZRwNPTuTPFs45NvGa+PWbj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
123
antivm
false
c2_url
https://pastebin.com/raw/bQi0vNVC
delay
3
download_payload
false
install
true
install_name
pdf.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/bQi0vNVC
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

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

Processes:

93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe

Executes dropped EXE 1 IoCs

Processes:

pdf.exe

pid process

1636 pdf.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service
T1102

Processes:

flow ioc

63 0.tcp.sa.ngrok.io
16 pastebin.com
17 pastebin.com
18 0.tcp.sa.ngrok.io
47 0.tcp.sa.ngrok.io
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

400 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

pdf.exe

description pid process

Token: SeDebugPrivilege 1636 pdf.exe
Token: SeDebugPrivilege 1636 pdf.exe

pid	process
1636	pdf.exe

flow	ioc
63	0.tcp.sa.ngrok.io
16	pastebin.com
17	pastebin.com
18	0.tcp.sa.ngrok.io
47	0.tcp.sa.ngrok.io

pid	process
400	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1636	pdf.exe
Token: SeDebugPrivilege	1636	pdf.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe

description	pid	process	target process
PID 4000 wrote to memory of 400	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	schtasks.exe
PID 4000 wrote to memory of 400	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	schtasks.exe
PID 4000 wrote to memory of 400	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	schtasks.exe
PID 4000 wrote to memory of 1636	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	pdf.exe
PID 4000 wrote to memory of 1636	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	pdf.exe
PID 4000 wrote to memory of 1636	4000	93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe	pdf.exe

C:\Users\Admin\AppData\Local\Temp\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe
"C:\Users\Admin\AppData\Local\Temp\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\pdf.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:400
- C:\Users\Admin\AppData\Roaming\pdf.exe
  "C:\Users\Admin\AppData\Roaming\pdf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\pdf.exe

Filesize
30KB

MD5
e3eaf28d0259c1b26429966c9b09a3cc

SHA1
b117999cc232f0faf9ff619dcabe34cea1f4d37e

SHA256
93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f

SHA512
3aa82942d23f9c43810098798fa59fe2c31b0b471bcd1d29329049b2c1089bda018afa306b12f9505f378807d4191fd6780d71b8373bde0457281e36b6b48f3e

Download Submit
memory/1636-15-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1636-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1636-18-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1636-19-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4000-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/4000-1-0x0000000000D60000-0x0000000000D6E000-memory.dmp

Filesize
56KB

Download
memory/4000-2-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/4000-3-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/4000-4-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4000-5-0x00000000064B0000-0x0000000006A54000-memory.dmp

Filesize
5.6MB

Download
memory/4000-16-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads