limerat | eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 00:58

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General

Target

eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe
Size

167KB
MD5

ee398a5a810d55e77da341e985df76ae
SHA1

a36f40113cde26dc67c6ac6dfdff521edaaab141
SHA256

eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e
SHA512

0795159c0f27e1c429b38dabff72168c1235b3d6653b028828b9a20e3893a58de7d6fc97dd779c7f92c75105570be9b8bd782de07e550f2f81161a7b8f9dc5bc
SSDEEP

3072:4xw8QEMF1CXiLHr+wIr6Nrjs6vaqTy7DoouTW0Hhr/HQZ:fE21CXiH+w4gzW0dw

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

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

Detects executables packed with unregistered version of .NET Reactor 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000F30000-0x0000000000F5E000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor
behavioral1/memory/1728-2-0x0000000004E00000-0x0000000004E40000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000F30000-0x0000000000F5E000-memory.dmp	net_reactor
behavioral1/memory/1728-2-0x0000000004E00000-0x0000000004E40000-memory.dmp	net_reactor

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

Web Service
T1102

Processes:

flow ioc

4 pastebin.com
5 pastebin.com

flow	ioc
4	pastebin.com
5	pastebin.com

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe

description	pid	process
Token: SeDebugPrivilege	1728	eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe
Token: SeDebugPrivilege	1728	eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe

C:\Users\Admin\AppData\Local\Temp\eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe
"C:\Users\Admin\AppData\Local\Temp\eb2cb43109e3828c2bd8031e2581234c9bb99ac01a4d0e525c15b8ddab4dfc4e.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA646.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/1728-0-0x0000000000F30000-0x0000000000F5E000-memory.dmp

Filesize
184KB

Download
memory/1728-1-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-2-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download
memory/1728-3-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/1728-4-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-5-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download