limerat | 8e1aa0b81c431b07d9101bf00ebf8f80575faa99769dfd880ed6ab2c24f87ea3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 12:14

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General

Target
3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
Size 2.4MB
Sample240511-pergpafe2y
SHA256 8e1aa0b81c431b07d9101bf00ebf8f80575faa99769dfd880ed6ab2c24f87ea3
MD5 3488b0c364c116f0649c40009a745ba8
SHA1 c3e4b049dc44aa1eee0d592f0da97f68317cb222
SHA512 82f645d849f19629fb252e89ceada9d480e97c7b4494e54fae9d3da61b5255e58b588ee547b19824ffdabeb664542f26e941c5d960affaeb04d76d5dec2417df
SSDEEP 49152:6+gpjnooS1eyMRElV9VDDvRdV0CcCwtuJeL3:6Rso0NPVDZHwtAeL3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1205
antivm
false
c2_url
https://pastebin.com/raw/iRjhpqQL
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/iRjhpqQL
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dfsdgh.exe.lnk	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	svhost.exe

Loads dropped DLL 3 IoCs

pid	Process
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
2	pastebin.com
3	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2552	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
Token: 33	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
Token: SeDebugPrivilege	2752	svhost.exe
Token: SeDebugPrivilege	2752	svhost.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1728	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	28
PID 1740 wrote to memory of 1728	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	28
PID 1740 wrote to memory of 1728	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	28
PID 1740 wrote to memory of 1728	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	28
PID 1740 wrote to memory of 1680	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	30
PID 1740 wrote to memory of 1680	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	30
PID 1740 wrote to memory of 1680	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	30
PID 1740 wrote to memory of 1680	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	30
PID 1740 wrote to memory of 2712	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	32
PID 1740 wrote to memory of 2712	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	32
PID 1740 wrote to memory of 2712	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	32
PID 1740 wrote to memory of 2712	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	32
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2752	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	34
PID 1740 wrote to memory of 2968	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	35
PID 1740 wrote to memory of 2968	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	35
PID 1740 wrote to memory of 2968	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	35
PID 1740 wrote to memory of 2968	1740	3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe	35
PID 2968 wrote to memory of 2552	2968	cmd.exe	37
PID 2968 wrote to memory of 2552	2968	cmd.exe	37
PID 2968 wrote to memory of 2552	2968	cmd.exe	37
PID 2968 wrote to memory of 2552	2968	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe" "%appdata%\sdfg\dfsdgh.exe" /Y
  2⤵
  PID:1728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\sdfg\dfsdgh.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:1680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ren "%appdata%\sdfg\dfsdgh.exe.jpg" dfsdgh.exe
  2⤵
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - Delays execution with timeout.exe
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

dfsdgh.exe

Path C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe
Size 2.4MB
SHA256 8e1aa0b81c431b07d9101bf00ebf8f80575faa99769dfd880ed6ab2c24f87ea3
MD5 3488b0c364c116f0649c40009a745ba8
SHA1 c3e4b049dc44aa1eee0d592f0da97f68317cb222
SHA512 82f645d849f19629fb252e89ceada9d480e97c7b4494e54fae9d3da61b5255e58b588ee547b19824ffdabeb664542f26e941c5d960affaeb04d76d5dec2417df
SSDEEP 49152:6+gpjnooS1eyMRElV9VDDvRdV0CcCwtuJeL3:6Rso0NPVDZHwtAeL3
MD5 SHA1 SHA512 SSDEEP

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dfsdgh.exe.bat

Path C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe.bat
Size 200B
SHA256 ba381c05e6cd8083abe50136bec85ed088e140610fdac6f449e775e736bf163f
MD5 249f71028fa2742d4a26ecf30e6b4eb8
SHA1 b2a07bd19cab5fd7be8ed0de7ac2934ce7cc3752
SHA512 6ffe6ded3fe52811b15cbab8667c1a970b0391864dceec7051ee87f536619d81005ee7aa082051511f48274288ae5fbefc324603593350122bf507fb3a309ad4
MD5 SHA1 SHA512

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svhost.exe

Path \Users\Admin\AppData\Local\Temp\svhost.exe
Size 255KB
SHA256 71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019
MD5 9af17c8393f0970ee5136bd3ffa27001
SHA1 4b285b72c1a11285a25f31f2597e090da6bbc049
SHA512 b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3
SSDEEP 3072:Aao0QHkUQWWimjCKANLpj/WWqvMw2XpFU4rwOequbZSTf02RFifx2u0u6H:3oZZTWxj96pqWpRXfVb02biJrFU
MD5 SHA1 SHA512 SSDEEP

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memory/1740-1-0x00000000012C0000-0x0000000001534000-memory.dmp

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memory/1740-2-0x0000000006F90000-0x00000000070C0000-memory.dmp

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memory/1740-4-0x0000000074500000-0x0000000074BEE000-memory.dmp

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memory/1740-3-0x00000000004B0000-0x00000000004BC000-memory.dmp

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memory/1740-41-0x0000000074500000-0x0000000074BEE000-memory.dmp

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memory/1740-0-0x000000007450E000-0x000000007450F000-memory.dmp

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memory/2752-21-0x0000000000080000-0x000000000008C000-memory.dmp

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memory/2752-26-0x0000000000080000-0x000000000008C000-memory.dmp

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memory/2752-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2752-31-0x0000000000080000-0x000000000008C000-memory.dmp

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memory/2752-19-0x0000000000080000-0x000000000008C000-memory.dmp

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memory/2752-29-0x0000000000080000-0x000000000008C000-memory.dmp

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memory/2752-17-0x0000000000080000-0x000000000008C000-memory.dmp

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