limerat | ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

General

Target

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
Size

705KB
MD5

78c1fe5e37783f64704335ebae1520f1
SHA1

ea937129d39f86899fa0c103d89dd75cb447c518
SHA256

ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa
SHA512

3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10
SSDEEP

6144:hlSuJBbblPI3sp7ScV1zQWXdo6G8nG4ZUkqa:rHSgf1lKz8ny4

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
IRj3SceatjDfweW/qMMw7g==
antivm
false
c2_url
https://pastebin.com/raw/VWmukkKm
delay
3
download_payload
false
install
true
install_name
Audio Realtek Driver.exe
main_folder
AppData
pin_spread
true
sub_folder
\Audio Realtek Driver\
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Executes dropped EXE 2 IoCs

pid	Process
2128	Audio Realtek Driver.exe
3488	Audio Realtek Driver.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 2128 set thread context of 3488	2128	Audio Realtek Driver.exe	83

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

pid	Process
4608	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	Audio Realtek Driver.exe
Token: SeDebugPrivilege	3488	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 628 wrote to memory of 1748	628	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	79
PID 1748 wrote to memory of 4608	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	80
PID 1748 wrote to memory of 4608	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	80
PID 1748 wrote to memory of 4608	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	80
PID 1748 wrote to memory of 2128	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	82
PID 1748 wrote to memory of 2128	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	82
PID 1748 wrote to memory of 2128	1748	ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe	82
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83
PID 2128 wrote to memory of 3488	2128	Audio Realtek Driver.exe	83

C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
"C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe
  "C:\Users\Admin\AppData\Local\Temp\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:4608
- - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
    "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
      "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:3488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Web Service

1

T1102

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\Microsoft\CLR_v4.0_32\UsageLogs\Audio Realtek Driver.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
705KB

MD5
78c1fe5e37783f64704335ebae1520f1

SHA1
ea937129d39f86899fa0c103d89dd75cb447c518

SHA256
ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

SHA512
3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

Download Submit
memory/628-132-0x00000000000B0000-0x0000000000166000-memory.dmp

Filesize
728KB

Download
memory/1748-134-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1748-136-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/1748-137-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download
memory/1748-138-0x0000000006380000-0x0000000006924000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads