limerat | c2db825f5c24b3e27fba50ad8e93c2319526d65be85604b285faa7a92ff891a5

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 06:33

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General

Target

ab3b52981d16232d04449801aa486c3f.exe
Size

1.1MB
MD5

ab3b52981d16232d04449801aa486c3f
SHA1

3415575b7f6377209ded6f6e3cbb52fd4f4f37ed
SHA256

c2db825f5c24b3e27fba50ad8e93c2319526d65be85604b285faa7a92ff891a5
SHA512

7e06d347a1386799a20ec32a52671d118566313f6c4edbe9d3fbb2e845127946c8e3f9c7e0495f6c8a5efe80461e708e3e958bde6243c1daa68c627100f8782d
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25F:/h+ZkldoPK8Ya971XjFtAF

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 3 IoCs

pid	Process
1820	sdchange.exe
1508	sdchange.exe
2648	sdchange.exe

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

Web Service

T1102

flow	ioc
2	pastebin.com
3	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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000800000001227e-50.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1820 set thread context of 1988	1820	sdchange.exe	34
PID 1508 set thread context of 2288	1508	sdchange.exe	40
PID 2648 set thread context of 3032	2648	sdchange.exe	44

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 4 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
392	schtasks.exe
1692	schtasks.exe
2004	schtasks.exe
2280	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	RegAsm.exe
Token: SeDebugPrivilege	1652	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 1652	1676	ab3b52981d16232d04449801aa486c3f.exe	28
PID 1676 wrote to memory of 2004	1676	ab3b52981d16232d04449801aa486c3f.exe	29
PID 1676 wrote to memory of 2004	1676	ab3b52981d16232d04449801aa486c3f.exe	29
PID 1676 wrote to memory of 2004	1676	ab3b52981d16232d04449801aa486c3f.exe	29
PID 1676 wrote to memory of 2004	1676	ab3b52981d16232d04449801aa486c3f.exe	29
PID 2552 wrote to memory of 1820	2552	taskeng.exe	33
PID 2552 wrote to memory of 1820	2552	taskeng.exe	33
PID 2552 wrote to memory of 1820	2552	taskeng.exe	33
PID 2552 wrote to memory of 1820	2552	taskeng.exe	33
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 1988	1820	sdchange.exe	34
PID 1820 wrote to memory of 2280	1820	sdchange.exe	35
PID 1820 wrote to memory of 2280	1820	sdchange.exe	35
PID 1820 wrote to memory of 2280	1820	sdchange.exe	35
PID 1820 wrote to memory of 2280	1820	sdchange.exe	35
PID 2552 wrote to memory of 1508	2552	taskeng.exe	39
PID 2552 wrote to memory of 1508	2552	taskeng.exe	39
PID 2552 wrote to memory of 1508	2552	taskeng.exe	39
PID 2552 wrote to memory of 1508	2552	taskeng.exe	39
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 2288	1508	sdchange.exe	40
PID 1508 wrote to memory of 392	1508	sdchange.exe	41
PID 1508 wrote to memory of 392	1508	sdchange.exe	41
PID 1508 wrote to memory of 392	1508	sdchange.exe	41
PID 1508 wrote to memory of 392	1508	sdchange.exe	41
PID 2552 wrote to memory of 2648	2552	taskeng.exe	43
PID 2552 wrote to memory of 2648	2552	taskeng.exe	43
PID 2552 wrote to memory of 2648	2552	taskeng.exe	43
PID 2552 wrote to memory of 2648	2552	taskeng.exe	43
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 3032	2648	sdchange.exe	44
PID 2648 wrote to memory of 1692	2648	sdchange.exe	45
PID 2648 wrote to memory of 1692	2648	sdchange.exe	45
PID 2648 wrote to memory of 1692	2648	sdchange.exe	45
PID 2648 wrote to memory of 1692	2648	sdchange.exe	45

C:\Users\Admin\AppData\Local\Temp\ab3b52981d16232d04449801aa486c3f.exe
"C:\Users\Admin\AppData\Local\Temp\ab3b52981d16232d04449801aa486c3f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1676
- 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:1652
- 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:2004

C:\Windows\system32\taskeng.exe
taskeng.exe {E8E525AF-1D8C-4CFC-BC8D-D731D74A521D} S-1-5-21-3787592910-3720486031-2929222812-1000:HSNHLVYA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- 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:1820
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1988
- - 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:2280
- 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:1508
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2288
- - 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:392
- 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:2648
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:3032
- - 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:1692

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\TarC367.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

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

Filesize
1.1MB

MD5
32248c8f21e8db9cb8ad3364f38a79a1

SHA1
c18efcfc3d3350dceea589350c1513d233e649ec

SHA256
997cf6fb6fde16679b5e2614594126b94f88bbcf4b83469f3ed7fe8030ae8c67

SHA512
6ccc164919eda45d0bd16a426fe85bb5210044b486de723b7b6beaf7924f321872bf2b86db8a0805d8a1c863ada77ad5a3422e5c74d1735e663d0d18e9e510f9

Download Submit
memory/1652-1-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1652-3-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1652-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-8-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1652-9-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1652-12-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/1652-62-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/1676-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1988-59-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1988-57-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1988-60-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1988-61-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-54-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/1988-63-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/2288-67-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2288-72-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2288-73-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2288-74-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/2288-75-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-86-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-87-0x0000000073AC0000-0x000000007406B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads