limerat | ec781a714d6bc6fac48d59890d9ae594ffd4dbc95710f2da1f1aa3d5b87b9e01

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	a039c46553a47916ff3376b88dde0a81.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	a039c46553a47916ff3376b88dde0a81.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	Wservices.exe

Executes dropped EXE 3 IoCs

pid	Process
1004	Wservices.exe
1140	Wservices.exe
4068	Wservices.exe

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

Web Service

T1102

flow	ioc
47	pastebin.com
46	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 1004 set thread context of 4068	1004	Wservices.exe	101

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
4592	schtasks.exe
836	schtasks.exe
3216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2696	a039c46553a47916ff3376b88dde0a81.exe
2696	a039c46553a47916ff3376b88dde0a81.exe
2696	a039c46553a47916ff3376b88dde0a81.exe
1004	Wservices.exe
1004	Wservices.exe
1004	Wservices.exe
4068	Wservices.exe
4068	Wservices.exe
4068	Wservices.exe
4068	Wservices.exe
4068	Wservices.exe
4068	Wservices.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	a039c46553a47916ff3376b88dde0a81.exe
Token: SeDebugPrivilege	1004	Wservices.exe
Token: SeDebugPrivilege	4068	Wservices.exe
Token: SeDebugPrivilege	4068	Wservices.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 4592	2696	a039c46553a47916ff3376b88dde0a81.exe	91
PID 2696 wrote to memory of 4592	2696	a039c46553a47916ff3376b88dde0a81.exe	91
PID 2696 wrote to memory of 4592	2696	a039c46553a47916ff3376b88dde0a81.exe	91
PID 2696 wrote to memory of 2720	2696	a039c46553a47916ff3376b88dde0a81.exe	93
PID 2696 wrote to memory of 2720	2696	a039c46553a47916ff3376b88dde0a81.exe	93
PID 2696 wrote to memory of 2720	2696	a039c46553a47916ff3376b88dde0a81.exe	93
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2696 wrote to memory of 2432	2696	a039c46553a47916ff3376b88dde0a81.exe	94
PID 2432 wrote to memory of 836	2432	a039c46553a47916ff3376b88dde0a81.exe	95
PID 2432 wrote to memory of 836	2432	a039c46553a47916ff3376b88dde0a81.exe	95
PID 2432 wrote to memory of 836	2432	a039c46553a47916ff3376b88dde0a81.exe	95
PID 2432 wrote to memory of 1004	2432	a039c46553a47916ff3376b88dde0a81.exe	97
PID 2432 wrote to memory of 1004	2432	a039c46553a47916ff3376b88dde0a81.exe	97
PID 2432 wrote to memory of 1004	2432	a039c46553a47916ff3376b88dde0a81.exe	97
PID 1004 wrote to memory of 3216	1004	Wservices.exe	98
PID 1004 wrote to memory of 3216	1004	Wservices.exe	98
PID 1004 wrote to memory of 3216	1004	Wservices.exe	98
PID 1004 wrote to memory of 1140	1004	Wservices.exe	100
PID 1004 wrote to memory of 1140	1004	Wservices.exe	100
PID 1004 wrote to memory of 1140	1004	Wservices.exe	100
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101
PID 1004 wrote to memory of 4068	1004	Wservices.exe	101

C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
"C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OcuajQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp952.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4592
- C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
  "C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
  2⤵
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe
  "C:\Users\Admin\AppData\Local\Temp\a039c46553a47916ff3376b88dde0a81.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2432
- - 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:836
- - C:\Users\Admin\AppData\Local\Temp\Wservices.exe
    "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1004
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OcuajQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE114.tmp"
      4⤵
      Creates scheduled task(s)
      PID:3216
  - - C:\Users\Admin\AppData\Local\Temp\Wservices.exe
      "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
      4⤵
      Executes dropped EXE
      PID:1140
  - - 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:4068

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

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\a039c46553a47916ff3376b88dde0a81.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

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\Wservices.exe

Filesize
543KB

MD5
fbbda540027636d7c982bd35320e3f56

SHA1
d5d99b6da6c95bfb38910682e93ced94566cd2c5

SHA256
9a725d41cdf628f258fd868911278f575e94153186a966246164dec4ce16d0eb

SHA512
7c1529a77f4a6752d8523ebf0a4885e0f3bebd54800c0afa34856d34096be222b4a00f0749840fd2096ea1d1842ab0dc3e76d9b12b3b6b46829754fef6f9627c

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

Filesize
576KB

MD5
58468a090962b06a697bca4990051d16

SHA1
9104aab3c71f5d2d58127bf4a2ce114c9636826c

SHA256
e1ecfbba5e7bf0c2d68642dc8fe536a8019b408a1f182046118b90b19daf9cf1

SHA512
4d2932250cf3caaac6821c55e270bf9b025ef5ed56e4b5d15030f079bb8972d4bacd916c2c534d6a2b36eede7178309b7c4eb93dbe5dc815cebd6ba52bc019d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp952.tmp

Filesize
1KB

MD5
2a4d4a62c87aaaa9949e3803e5f3a0d7

SHA1
b7dd8e8f437af01437f6f8c376cfb7ee34fad096

SHA256
4f66c460a361c6d9b5294269759356eecb364f4b368d40033d63d119dae851b6

SHA512
775189171d318a42b22c1940566a3553b45b22b13ccd5c752b93e474bd884565c5aed669aba614a7dfe3ab64d94ba00ca24392b2894189d3c5cbb7fda04fd1f0

Download Submit
memory/1004-39-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/1004-37-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/1004-38-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/1004-40-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/1004-48-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-36-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-20-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-23-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/2432-22-0x0000000004E80000-0x0000000004EE6000-memory.dmp

Filesize
408KB

Download
memory/2432-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2696-8-0x0000000005660000-0x0000000005672000-memory.dmp

Filesize
72KB

Download
memory/2696-5-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/2696-12-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/2696-11-0x00000000072C0000-0x0000000007342000-memory.dmp

Filesize
520KB

Download
memory/2696-10-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/2696-9-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-0-0x0000000000820000-0x00000000008D4000-memory.dmp

Filesize
720KB

Download
memory/2696-6-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/2696-7-0x0000000005400000-0x0000000005456000-memory.dmp

Filesize
344KB

Download
memory/2696-21-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-4-0x00000000054A0000-0x0000000005532000-memory.dmp

Filesize
584KB

Download
memory/2696-3-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/2696-2-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/2696-1-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-49-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-50-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/4068-51-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-52-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download