MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a797ae6e4e1645f0510a1a54509ecb1b9304a0f74857907b5420ebc6e2fb4ad6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


LimeRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a797ae6e4e1645f0510a1a54509ecb1b9304a0f74857907b5420ebc6e2fb4ad6
SHA3-384 hash: 154a086cd77e95e227f929ff5bb9d5c4cb1dd89df081696a6fc84db4581cdcae9bccb57ff598ca9473f542c9e66ea1f7
SHA1 hash: 4ad218845d71bd3bc48ec61a5282319ff906daaa
MD5 hash: 02b53c6056fd9d06bb73d64093bcb0a9
humanhash: butter-asparagus-don-tennis
File name:INVOICE_.SCR.exe
Download: download sample
Signature LimeRAT
Create hunting rule
File size:347'136 bytes
First seen:2021-09-17 13:51:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 6144:RDlQDbCMN4K4C7pBbOfxDn/M5Xl2Bj2UDL9kNvOllwA:1WHCM2K4C7f8xDnU2pvDL9khOLwA
Threatray 818 similar samples on MalwareBazaar
TLSH T12574AE2039EA8419F1B3AFB68FD575968BBEFB633603D85D2091038B4613B81DD8157E
Reporter James_inthe_box
Tags:exe LimeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
816
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
malware.malware
Verdict:
Malicious activity
Analysis date:
2021-09-16 15:32:20 UTC
Tags:
trojan limerat rat
Link:
https://app.any.run/tasks/752561d7-879d-4e94-9853-1d6b5371f0dc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
LimeRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188722/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1031-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/61752c929a5a1e91c5d207cc/reports/a9f2c63c-df2a-4633-84a8-9dbe1fe22647/overview
Malware family:
LimeRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9971bf50-9f5d-491c-8f03-331cd9c95e33
Result
Threat name:
LimeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/852762
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 485192 Sample: INVOICE_.SCR.exe Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Antivirus detection for dropped file 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 12 other signatures 2->42 7 INVOICE_.SCR.exe 7 2->7         started        process3 file4 24 C:\Users\user\AppData\...\RBPUnbHFssmAR.exe, PE32 7->24 dropped 26 C:\Users\user\AppData\Local\...\tmp1135.tmp, XML 7->26 dropped 28 C:\Users\user\...\INVOICE_.SCR.exe.log, ASCII 7->28 dropped 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Adds a directory exclusion to Windows Defender 7->48 50 Injects a PE file into a foreign processes 7->50 11 INVOICE_.SCR.exe 20 7 7->11         started        16 powershell.exe 22 7->16         started        18 schtasks.exe 1 7->18         started        signatures5 process6 dnsIp7 32 pastebin.com 104.23.99.190, 443, 49740 CLOUDFLARENETUS United States 11->32 34 13.58.157.220, 13364, 49741 AMAZON-02US United States 11->34 30 C:\Users\user\Desktop\IconLib.dll, PE32 11->30 dropped 52 Protects its processes via BreakOnTermination flag 11->52 20 conhost.exe 16->20         started        22 conhost.exe 18->22         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a797ae6e4e1645f0510a1a54509ecb1b9304a0f74857907b5420ebc6e2fb4ad6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-17 03:33:18 UTC
AV detection:
27 of 45 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6l243soczc7auikdjkfbhwldojqjihxjblza62uedv4nyx3jlla._file
Verdict:
malicious
Similar samples:
11641e5c09be9d6161bb9f91711952b4b7976f9f3ce545ddfad2da41340a380b
LimeRAT
3dff78186451d97e6c3403b885ffb148cc7130b2b787b915041c7363feb74c68
LimeRAT
8a31c332dfb8714bc0c66300102fa84ee54a4027ed40e2c7082957abb431c34e
LimeRAT
8fa3a33b9174a2c58e9f3762b603b625dc6a654ea75c8cb5ad5a0a0289e7a694
LimeRAT
95ee7873a8954c7d39d24608eddc2cdb4b2092a6ee6e2dd2d486046583172b6c
LimeRAT
9e03afa6974efc9de0fb7dbab12febec78e0f54ce566c501aa74106b965de30f
LimeRAT
b4f0d107e95fa6f3aaae96d0341f0f0ad90b2dfa1fe7d9e04903eb2354a39ded
LimeRAT
c099fa2ba2c8b5ca61c360db0e77079a2ea3d60e810200d2efb65dcd4a718877
LimeRAT
c69f392d73ffa5b09d2ea03cefd8e5e7d9a490ef819468db9409bd9988e26c54
LimeRAT
ca36e58bf644175fdbc20552fe5279b1cec92538176fdb9029cac36f69d75329
LimeRAT
+ 808 additional samples on MalwareBazaar
Result
Malware family:
limerat
Create hunting rule
Score:
  10/10
Tags:
family:limerat rat
Link:
https://tria.ge/reports/210917-q6d64sfge8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Uses the VBS compiler for execution
LimeRAT
Unpacked files
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/e2a6a8d8-2fb6-4960-8e01-dc3a683b5595/
SH256 hash:
659324c821feae01a10aa49e2483d1295b4f3d998e6f0844b9bb9d0487b35aeb
MD5 hash:
0a98f0b5d6ff1629300a292a4333df67
SHA1 hash:
73ab0ee6f2a35bed1268fa6c2711fa6b77c1e0a5
Link:
https://www.unpac.me/results/e2a6a8d8-2fb6-4960-8e01-dc3a683b5595/
SH256 hash:
e162c56393d0be73c48cc06da104b4f1ae0eae2c09e64a7ae8f34d3a8979da0f
MD5 hash:
bef7f171c904a7da58d2e0aacf4919d5
SHA1 hash:
5610948469ffd50d7aba193938d8dadc70d54bce
Link:
https://www.unpac.me/results/e2a6a8d8-2fb6-4960-8e01-dc3a683b5595/
SH256 hash:
a797ae6e4e1645f0510a1a54509ecb1b9304a0f74857907b5420ebc6e2fb4ad6
MD5 hash:
02b53c6056fd9d06bb73d64093bcb0a9
SHA1 hash:
4ad218845d71bd3bc48ec61a5282319ff906daaa
Link:
https://www.unpac.me/results/e2a6a8d8-2fb6-4960-8e01-dc3a683b5595/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a797ae6e4e1645f0510a1a54509ecb1b9304a0f74857907b5420ebc6e2fb4ad6

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/188722/

Comments