limerat | ec781a714d6bc6fac48d59890d9ae594ffd4dbc95710f2da1f1aa3d5b87b9e01

Analysis

max time kernel
153s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
16/02/2024, 11:09

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General

Target

a039c46553a47916ff3376b88dde0a81.exe
Size

694KB
MD5

a039c46553a47916ff3376b88dde0a81
SHA1

84e9846e8895c79a3a65cf3e54aa7a52dacf995a
SHA256

ec781a714d6bc6fac48d59890d9ae594ffd4dbc95710f2da1f1aa3d5b87b9e01
SHA512

d342258b1f57ed230eb1e3542eebb493edbbf82aa1d62d1d9b3dcc301e6700e69a3feaf99e29544c68b9c6092a70a3a98b872da1485e78e5891f1a2fa8a22c2a
SSDEEP

12288:KthfCHBrr9/uuQl7nNPV7mtU1EwiTsej472iNSzAaP:LsxV7my1cFjM1IzAg

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

bc1qdajqyl8uarnz63e2we9xchx3zqcd5xcyfshfyk

Attributes

aes_key
lime
antivm
true
c2_url
https://pastebin.com/raw/4Xj3extx
delay
3
download_payload
false
install
true
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/4Xj3extx
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
524	Wservices.exe
2356	Wservices.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	a039c46553a47916ff3376b88dde0a81.exe
524	Wservices.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 524 set thread context of 2356	524	Wservices.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
1044	schtasks.exe
2896	schtasks.exe
564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2284	a039c46553a47916ff3376b88dde0a81.exe
2284	a039c46553a47916ff3376b88dde0a81.exe
2284	a039c46553a47916ff3376b88dde0a81.exe
524	Wservices.exe
2356	Wservices.exe
2356	Wservices.exe
2356	Wservices.exe
2356	Wservices.exe
2356	Wservices.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	a039c46553a47916ff3376b88dde0a81.exe
Token: SeDebugPrivilege	524	Wservices.exe
Token: SeDebugPrivilege	2356	Wservices.exe
Token: SeDebugPrivilege	2356	Wservices.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 1044	2284	a039c46553a47916ff3376b88dde0a81.exe	30
PID 2284 wrote to memory of 1044	2284	a039c46553a47916ff3376b88dde0a81.exe	30
PID 2284 wrote to memory of 1044	2284	a039c46553a47916ff3376b88dde0a81.exe	30
PID 2284 wrote to memory of 1044	2284	a039c46553a47916ff3376b88dde0a81.exe	30
PID 2284 wrote to memory of 2964	2284	a039c46553a47916ff3376b88dde0a81.exe	32
PID 2284 wrote to memory of 2964	2284	a039c46553a47916ff3376b88dde0a81.exe	32
PID 2284 wrote to memory of 2964	2284	a039c46553a47916ff3376b88dde0a81.exe	32
PID 2284 wrote to memory of 2964	2284	a039c46553a47916ff3376b88dde0a81.exe	32
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2284 wrote to memory of 2980	2284	a039c46553a47916ff3376b88dde0a81.exe	33
PID 2980 wrote to memory of 2896	2980	a039c46553a47916ff3376b88dde0a81.exe	35
PID 2980 wrote to memory of 2896	2980	a039c46553a47916ff3376b88dde0a81.exe	35
PID 2980 wrote to memory of 2896	2980	a039c46553a47916ff3376b88dde0a81.exe	35
PID 2980 wrote to memory of 2896	2980	a039c46553a47916ff3376b88dde0a81.exe	35
PID 2980 wrote to memory of 524	2980	a039c46553a47916ff3376b88dde0a81.exe	37
PID 2980 wrote to memory of 524	2980	a039c46553a47916ff3376b88dde0a81.exe	37
PID 2980 wrote to memory of 524	2980	a039c46553a47916ff3376b88dde0a81.exe	37
PID 2980 wrote to memory of 524	2980	a039c46553a47916ff3376b88dde0a81.exe	37
PID 524 wrote to memory of 564	524	Wservices.exe	38
PID 524 wrote to memory of 564	524	Wservices.exe	38
PID 524 wrote to memory of 564	524	Wservices.exe	38
PID 524 wrote to memory of 564	524	Wservices.exe	38
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40
PID 524 wrote to memory of 2356	524	Wservices.exe	40

C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
"C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OcuajQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2166.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1044
- C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
  "C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
  2⤵
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
  "C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Wservices.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:2896
- - C:\Users\Admin\AppData\Local\Temp\Wservices.exe
    "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:524
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OcuajQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp242.tmp"
      4⤵
      Creates scheduled task(s)
      PID:564
  - - C:\Users\Admin\AppData\Local\Temp\Wservices.exe
      "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2356

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2511.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2542.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\Wservices.exe

Filesize
694KB

MD5
a039c46553a47916ff3376b88dde0a81

SHA1
84e9846e8895c79a3a65cf3e54aa7a52dacf995a

SHA256
ec781a714d6bc6fac48d59890d9ae594ffd4dbc95710f2da1f1aa3d5b87b9e01

SHA512
d342258b1f57ed230eb1e3542eebb493edbbf82aa1d62d1d9b3dcc301e6700e69a3feaf99e29544c68b9c6092a70a3a98b872da1485e78e5891f1a2fa8a22c2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2166.tmp

Filesize
1KB

MD5
0d4e8d722457dc070bcbf1925d9c1a2c

SHA1
41aec7597bd33302f3eb5e2f2d2ba0b05a3851ee

SHA256
dbf47e3c57964fcd419e3ba71781ee06d0e0a1cfa2a483cd78e54b1b2030e081

SHA512
7edf71078809b57ea9a3724d918aaf4ced80b16c51c57eead7c0bd5b00d31ae412ae0d8dea42591872fdb9613eaf90e09f03a3b3c1906955225432fa9586b5af

Download Submit
memory/524-38-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/524-55-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/524-35-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/524-36-0x00000000008A0000-0x0000000000954000-memory.dmp

Filesize
720KB

Download
memory/524-37-0x0000000004EF0000-0x0000000004F30000-memory.dmp

Filesize
256KB

Download
memory/524-39-0x0000000004EF0000-0x0000000004F30000-memory.dmp

Filesize
256KB

Download
memory/2284-4-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2284-5-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2284-1-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-0-0x0000000000AB0000-0x0000000000B64000-memory.dmp

Filesize
720KB

Download
memory/2284-3-0x00000000007C0000-0x00000000007D2000-memory.dmp

Filesize
72KB

Download
memory/2284-25-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-7-0x0000000000840000-0x0000000000850000-memory.dmp

Filesize
64KB

Download
memory/2284-6-0x0000000005180000-0x0000000005202000-memory.dmp

Filesize
520KB

Download
memory/2356-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-58-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-94-0x0000000074950000-0x000000007503E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-59-0x0000000004860000-0x00000000048A0000-memory.dmp

Filesize
256KB

Download
memory/2980-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-34-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-24-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2980-27-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download