limerat | a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f

General

Target

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe
Size

126KB
MD5

08bae97aa3ca7a364e6bbe2aa6e8b8b6
SHA1

f6b7179fa8cc6a3b062c8c7b5a914c5b8f6e0312
SHA256

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f
SHA512

ba47cc9c514627386f1f4d202b46ef182ec332db6183f4e8f5474bd13e491d91a5f7a7ee272d1d647f98ae55e553a60229100ba645c60c2e5c87b973aaf5c5a1
SSDEEP

3072:uewtvfrOPCNBz65/M6If+3Js+3JFkKeTn:RaqCxBt25

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
Jesus
antivm
false
c2_url
https://pastebin.com/raw/6bPeUTd1
delay
3
download_payload
false
install
true
install_name
Plugin.exe
main_folder
Temp
pin_spread
false
sub_folder
\System\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/6bPeUTd1
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:

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

Executes dropped EXE 1 IoCs

Processes:

Plugin.exe

pid process

4628 Plugin.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service
T1102

Processes:

flow ioc

46 pastebin.com
47 pastebin.com
49 0.tcp.sa.ngrok.io
68 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

2496 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Plugin.exe

description pid process

Token: SeDebugPrivilege 4628 Plugin.exe
Token: SeDebugPrivilege 4628 Plugin.exe

pid	process
4628	Plugin.exe

flow	ioc
46	pastebin.com
47	pastebin.com
49	0.tcp.sa.ngrok.io
68	0.tcp.sa.ngrok.io

pid	process
2496	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4628	Plugin.exe
Token: SeDebugPrivilege	4628	Plugin.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

description	pid	process	target process
PID 4436 wrote to memory of 2496	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 4436 wrote to memory of 2496	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 4436 wrote to memory of 2496	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 4436 wrote to memory of 4628	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe
PID 4436 wrote to memory of 4628	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe
PID 4436 wrote to memory of 4628	4436	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe

C:\Users\Admin\AppData\Local\Temp\a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe
"C:\Users\Admin\AppData\Local\Temp\a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe'"
2⤵
- Creates scheduled task(s)
PID:2496

C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe
"C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4628

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:824

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\Local\Temp\System\Plugin.exe
Filesize
126KB

MD5
08bae97aa3ca7a364e6bbe2aa6e8b8b6

SHA1
f6b7179fa8cc6a3b062c8c7b5a914c5b8f6e0312

SHA256
a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f

SHA512
ba47cc9c514627386f1f4d202b46ef182ec332db6183f4e8f5474bd13e491d91a5f7a7ee272d1d647f98ae55e553a60229100ba645c60c2e5c87b973aaf5c5a1

Download Submit
memory/4436-3-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/4436-2-0x0000000005230000-0x00000000052CC000-memory.dmp

Filesize
624KB

Download
memory/4436-0-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/4436-4-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4436-5-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/4436-1-0x0000000000890000-0x00000000008B6000-memory.dmp

Filesize
152KB

Download
memory/4436-14-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/4436-17-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-16-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-18-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-19-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-20-0x0000000075120000-0x00000000758D0000-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