limerat | 46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
153s
max time network
175s
platform
windows7_x64
resource
win7v200722
submitted
11-08-2020 12:30

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General

Target

foo/6497ba06c339ec8ca438ddf0dd2f8fc5.exe

Score

10^/10

limerat rat

Malware Config

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

892 svchost.exe
Loads dropped DLL 2 IoCs

Processes:

6497ba06c339ec8ca438ddf0dd2f8fc5.exe

pid process

1036 6497ba06c339ec8ca438ddf0dd2f8fc5.exe
1036 6497ba06c339ec8ca438ddf0dd2f8fc5.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1204 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exe

description pid process

Token: SeDebugPrivilege 892 svchost.exe
Token: SeDebugPrivilege 892 svchost.exe

pid	process
892	svchost.exe

pid	process
1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe
1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe

pid	process
1204	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	892	svchost.exe
Token: SeDebugPrivilege	892	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6497ba06c339ec8ca438ddf0dd2f8fc5.exe

description	pid	process	target process
PID 1036 wrote to memory of 1204	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	schtasks.exe
PID 1036 wrote to memory of 1204	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	schtasks.exe
PID 1036 wrote to memory of 1204	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	schtasks.exe
PID 1036 wrote to memory of 1204	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	schtasks.exe
PID 1036 wrote to memory of 892	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	svchost.exe
PID 1036 wrote to memory of 892	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	svchost.exe
PID 1036 wrote to memory of 892	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	svchost.exe
PID 1036 wrote to memory of 892	1036	6497ba06c339ec8ca438ddf0dd2f8fc5.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\foo\6497ba06c339ec8ca438ddf0dd2f8fc5.exe
"C:\Users\Admin\AppData\Local\Temp\foo\6497ba06c339ec8ca438ddf0dd2f8fc5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\system\svchost.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1204
- C:\Users\Admin\AppData\Roaming\system\svchost.exe
  "C:\Users\Admin\AppData\Roaming\system\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\system\svchost.exe

MD5
6497ba06c339ec8ca438ddf0dd2f8fc5

SHA1
4287ee2103467196df93fad515a844bd2b94df78

SHA256
dcf7b759aae3ce6597eeca586238419728e432770451522a0f0d1873463aac20

SHA512
45b97bcc1dbc060cb5d461fd945759c60fa943f18e1b777592183fdc6cb9719578669d5ab914e4e0be1fd3e2356e88bd2e54f71f13b586c9892d034b751c5277

Download Submit
C:\Users\Admin\AppData\Roaming\system\svchost.exe

MD5
6497ba06c339ec8ca438ddf0dd2f8fc5

SHA1
4287ee2103467196df93fad515a844bd2b94df78

SHA256
dcf7b759aae3ce6597eeca586238419728e432770451522a0f0d1873463aac20

SHA512
45b97bcc1dbc060cb5d461fd945759c60fa943f18e1b777592183fdc6cb9719578669d5ab914e4e0be1fd3e2356e88bd2e54f71f13b586c9892d034b751c5277

Download Submit
\Users\Admin\AppData\Roaming\system\svchost.exe

MD5
6497ba06c339ec8ca438ddf0dd2f8fc5

SHA1
4287ee2103467196df93fad515a844bd2b94df78

SHA256
dcf7b759aae3ce6597eeca586238419728e432770451522a0f0d1873463aac20

SHA512
45b97bcc1dbc060cb5d461fd945759c60fa943f18e1b777592183fdc6cb9719578669d5ab914e4e0be1fd3e2356e88bd2e54f71f13b586c9892d034b751c5277

Download Submit
\Users\Admin\AppData\Roaming\system\svchost.exe

MD5
6497ba06c339ec8ca438ddf0dd2f8fc5

SHA1
4287ee2103467196df93fad515a844bd2b94df78

SHA256
dcf7b759aae3ce6597eeca586238419728e432770451522a0f0d1873463aac20

SHA512
45b97bcc1dbc060cb5d461fd945759c60fa943f18e1b777592183fdc6cb9719578669d5ab914e4e0be1fd3e2356e88bd2e54f71f13b586c9892d034b751c5277

Download Submit
memory/892-6-0x0000000000000000-mapping.dmp

Download
memory/892-9-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/892-10-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1036-0-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1036-1-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1204-3-0x0000000000000000-mapping.dmp

Download