limerat | 4e86f84ad8430cadbfcd160b3efc18a81f24b027d3c3a35e96798bb8df06eabd

General

Target

53897003f88e0a4cd2883bfbb5a2ac85.exe
Size

1.1MB
MD5

53897003f88e0a4cd2883bfbb5a2ac85
SHA1

419eb269ed10622722997da21ec7cef11c059212
SHA256

4e86f84ad8430cadbfcd160b3efc18a81f24b027d3c3a35e96798bb8df06eabd
SHA512

b4c15b49457971c0b810f7b06df6764371e70a100e339094cc720788674bf73a9af870b2f42556e76ddc9030b33644558bdee980036d4e2a8da49b08a53d0f71
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM257:/h+ZkldoPK8Ya971XjFtA7

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

Processes:

sdchange.exesdchange.exesdchange.exe

pid process

772 sdchange.exe
2464 sdchange.exe
2364 sdchange.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

pid	process
772	sdchange.exe
2464	sdchange.exe
2364	sdchange.exe

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

Processes:

RegAsm.exe

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.

Processes:

resource	yara_rule
C:\Users\Admin\secinit\sdchange.exe	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

53897003f88e0a4cd2883bfbb5a2ac85.exesdchange.exesdchange.exesdchange.exe

description	pid	process	target process
PID 2192 set thread context of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 772 set thread context of 2032	772	sdchange.exe	RegAsm.exe
PID 2464 set thread context of 1544	2464	sdchange.exe	RegAsm.exe
PID 2364 set thread context of 2792	2364	sdchange.exe	RegAsm.exe

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

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

2844 schtasks.exe
1900 schtasks.exe
1116 schtasks.exe
2724 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2664 RegAsm.exe
Token: SeDebugPrivilege 2664 RegAsm.exe

pid	process
2844	schtasks.exe
1900	schtasks.exe
1116	schtasks.exe
2724	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2664	RegAsm.exe
Token: SeDebugPrivilege	2664	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

53897003f88e0a4cd2883bfbb5a2ac85.exetaskeng.exesdchange.exesdchange.exesdchange.exe

description	pid	process	target process
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2664	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	RegAsm.exe
PID 2192 wrote to memory of 2844	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	schtasks.exe
PID 2192 wrote to memory of 2844	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	schtasks.exe
PID 2192 wrote to memory of 2844	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	schtasks.exe
PID 2192 wrote to memory of 2844	2192	53897003f88e0a4cd2883bfbb5a2ac85.exe	schtasks.exe
PID 2976 wrote to memory of 772	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 772	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 772	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 772	2976	taskeng.exe	sdchange.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 2032	772	sdchange.exe	RegAsm.exe
PID 772 wrote to memory of 1900	772	sdchange.exe	schtasks.exe
PID 772 wrote to memory of 1900	772	sdchange.exe	schtasks.exe
PID 772 wrote to memory of 1900	772	sdchange.exe	schtasks.exe
PID 772 wrote to memory of 1900	772	sdchange.exe	schtasks.exe
PID 2976 wrote to memory of 2464	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2464	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2464	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2464	2976	taskeng.exe	sdchange.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1544	2464	sdchange.exe	RegAsm.exe
PID 2464 wrote to memory of 1116	2464	sdchange.exe	schtasks.exe
PID 2464 wrote to memory of 1116	2464	sdchange.exe	schtasks.exe
PID 2464 wrote to memory of 1116	2464	sdchange.exe	schtasks.exe
PID 2464 wrote to memory of 1116	2464	sdchange.exe	schtasks.exe
PID 2976 wrote to memory of 2364	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2364	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2364	2976	taskeng.exe	sdchange.exe
PID 2976 wrote to memory of 2364	2976	taskeng.exe	sdchange.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2792	2364	sdchange.exe	RegAsm.exe
PID 2364 wrote to memory of 2724	2364	sdchange.exe	schtasks.exe
PID 2364 wrote to memory of 2724	2364	sdchange.exe	schtasks.exe
PID 2364 wrote to memory of 2724	2364	sdchange.exe	schtasks.exe
PID 2364 wrote to memory of 2724	2364	sdchange.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\53897003f88e0a4cd2883bfbb5a2ac85.exe
"C:\Users\Admin\AppData\Local\Temp\53897003f88e0a4cd2883bfbb5a2ac85.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2192
- 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:2664
- 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:2844

C:\Windows\system32\taskeng.exe
taskeng.exe {374F3F4B-5B19-4354-946D-6C8E0BEF092E} S-1-5-21-1268429524-3929314613-1992311491-1000:XBTLDBHN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- 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:772
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2032
- - 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:1900
- 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:2464
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1544
- - 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:1116
- 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:2364
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2792
- - 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:2724

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

Peripheral Device Discovery

Query Registry

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\Temp\CabAEE8.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB0DE.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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

Filesize
1.1MB

MD5
db52e647bf3bb3d9f9a62dbe4224fc5b

SHA1
3321f3e6b8705f6ed5d55d50f67f4376bf9a66f2

SHA256
a480167e49633166ffbafb657ed2fc42974bfefc8f9e4887bcabc3332dc209da

SHA512
25783c4b39cf4179d3fa18d65d7ed9142c87bf1105d584855f7f51e788c025560e4a543047d39ed24e4cd7eae05ffc00734c2d0a34bb41f3b0646fd45fadb5da

Download Submit
memory/1544-69-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/1544-68-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/1544-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2032-58-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2032-30-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2192-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2364-79-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2664-29-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-11-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2792-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-80-0x0000000074310000-0x00000000748BB000-memory.dmp

Filesize
5.7MB

Download
memory/2792-81-0x0000000074310000-0x00000000748BB000-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