limerat | d632c85338f64894158dcc17ee01ea7f4d338916ced96e1c1b572d843d15e1c1

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 22:12

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General

Target

b9c8909fb90c1cef16563cd6be9f561b.exe
Size

1.1MB
MD5

b9c8909fb90c1cef16563cd6be9f561b
SHA1

afb8a215aba26131a31e76005b8b6356dec87a6b
SHA256

d632c85338f64894158dcc17ee01ea7f4d338916ced96e1c1b572d843d15e1c1
SHA512

3b35e3157585996567856a9f765f4d6d9b8734653e6ad42c072901d0341f8295730799047fc2881418c82ddbc0a4befcc2bc956c3a79fb9bedabf25e6efaadcf
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25Z:/h+ZkldoPK8Ya971XjFtAZ

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes

aes_key
nulled
antivm
true
c2_url
https://pastebin.com/raw/cXuQ0V20
delay
3
download_payload
false
install
false
install_name
Winservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/cXuQ0V20
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 2 IoCs

pid	Process
2032	sdchange.exe
352	sdchange.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
2	pastebin.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000a000000014f57-50.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2032 set thread context of 2204	2032	sdchange.exe	36
PID 352 set thread context of 1192	352	sdchange.exe	40

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 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1848	schtasks.exe
3060	schtasks.exe
600	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	RegAsm.exe
Token: SeDebugPrivilege	1668	RegAsm.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 1668	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	28
PID 2908 wrote to memory of 3060	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	29
PID 2908 wrote to memory of 3060	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	29
PID 2908 wrote to memory of 3060	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	29
PID 2908 wrote to memory of 3060	2908	b9c8909fb90c1cef16563cd6be9f561b.exe	29
PID 2072 wrote to memory of 2032	2072	taskeng.exe	35
PID 2072 wrote to memory of 2032	2072	taskeng.exe	35
PID 2072 wrote to memory of 2032	2072	taskeng.exe	35
PID 2072 wrote to memory of 2032	2072	taskeng.exe	35
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 2204	2032	sdchange.exe	36
PID 2032 wrote to memory of 600	2032	sdchange.exe	37
PID 2032 wrote to memory of 600	2032	sdchange.exe	37
PID 2032 wrote to memory of 600	2032	sdchange.exe	37
PID 2032 wrote to memory of 600	2032	sdchange.exe	37
PID 2072 wrote to memory of 352	2072	taskeng.exe	39
PID 2072 wrote to memory of 352	2072	taskeng.exe	39
PID 2072 wrote to memory of 352	2072	taskeng.exe	39
PID 2072 wrote to memory of 352	2072	taskeng.exe	39
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1192	352	sdchange.exe	40
PID 352 wrote to memory of 1848	352	sdchange.exe	41
PID 352 wrote to memory of 1848	352	sdchange.exe	41
PID 352 wrote to memory of 1848	352	sdchange.exe	41
PID 352 wrote to memory of 1848	352	sdchange.exe	41

C:\Users\Admin\AppData\Local\Temp\b9c8909fb90c1cef16563cd6be9f561b.exe
"C:\Users\Admin\AppData\Local\Temp\b9c8909fb90c1cef16563cd6be9f561b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:3060

C:\Windows\system32\taskeng.exe
taskeng.exe {561919D9-DCBC-4FED-A526-9F079C7135B2} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2204
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:600
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:352
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1192
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar30AA.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\secinit\sdchange.exe

Filesize
1.1MB

MD5
a1445f2a4f4b5bf46ca1fa6ff23f3811

SHA1
14eab63b83a7be805f177aaad3fb7433767a6ffa

SHA256
68939f231a52426962ea9dfa6a662c6b1c1b2447597f070bbd7380539ec88e44

SHA512
e1aac368b311488feb48f51983304a7bd78f513f6a0764f6a604d04af7b1114bffba127fd9c54b47cc9844292646a61c9ffbd5843627b4f4725bde14d8279106

Download Submit
memory/1192-73-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/1192-72-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/1668-7-0x00000000000A0000-0x00000000000AC000-memory.dmp

Filesize
48KB

Download
memory/1668-8-0x00000000000A0000-0x00000000000AC000-memory.dmp

Filesize
48KB

Download
memory/1668-1-0x00000000000A0000-0x00000000000AC000-memory.dmp

Filesize
48KB

Download
memory/1668-49-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/1668-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x00000000000A0000-0x00000000000AC000-memory.dmp

Filesize
48KB

Download
memory/1668-11-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/2032-60-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2204-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2204-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2204-61-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-62-0x0000000073AA0000-0x000000007404B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2908-0-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads