limerat | 112c139afbe6ea09fdf218be415277aee087b86e7d15b4a08015da2a27b0d3e7

General

Target

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
Size

28KB
MD5

8e1bb22b17551346730179e6616eb42e
SHA1

7d2482fd93f0824e4353522c68c0fd39af445fc0
SHA256

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe
SHA512

ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6
SSDEEP

768:EpDU6F1w9pXlmjF845NonMfo3z3aNHm4j:Epb1w9pIphknMAuH5

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
Kronic
antivm
true
c2_url
https://pastebin.com/raw/jxx7yjgK
delay
3
download_payload
false
install
true
install_name
MSIbuilder.exe
main_folder
AppData
pin_spread
true
sub_folder
\Service Windows\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/jxx7yjgK
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
Executes dropped EXE 1 IoCs

Processes:

MSIbuilder.exe

pid process

2856 MSIbuilder.exe

pid	process
2856	MSIbuilder.exe

Loads dropped DLL 2 IoCs

Processes:

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

pid	process
2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.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).

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

2428 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSIbuilder.exe

description pid process

Token: SeDebugPrivilege 2856 MSIbuilder.exe
Token: SeDebugPrivilege 2856 MSIbuilder.exe

pid	process
2428	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2856	MSIbuilder.exe
Token: SeDebugPrivilege	2856	MSIbuilder.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

description	pid	process	target process
PID 2108 wrote to memory of 2428	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 2108 wrote to memory of 2428	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 2108 wrote to memory of 2428	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 2108 wrote to memory of 2428	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 2108 wrote to memory of 2856	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe
PID 2108 wrote to memory of 2856	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe
PID 2108 wrote to memory of 2856	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe
PID 2108 wrote to memory of 2856	2108	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe

C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
"C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2428
- C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe
  "C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2856

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab541C.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar542E.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe

Filesize
28KB

MD5
8e1bb22b17551346730179e6616eb42e

SHA1
7d2482fd93f0824e4353522c68c0fd39af445fc0

SHA256
9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe

SHA512
ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6

Download Submit
memory/2108-0-0x0000000000CA0000-0x0000000000CAC000-memory.dmp

Filesize
48KB

Download
memory/2108-1-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2108-3-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2108-50-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-13-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/2856-14-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-15-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download
memory/2856-51-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-52-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads