MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b0de2532b96ff0f42c04e48d7515c4dbc8356f74443acd4a94d185d9a9702ce. 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


AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b0de2532b96ff0f42c04e48d7515c4dbc8356f74443acd4a94d185d9a9702ce
SHA3-384 hash: 0efa3aa705a9159e3130071470edcbded986f9c95488bef40816fa4935e471532b71da1dd983daff230b72591a9a8e77
SHA1 hash: 6d7285c2a902103edc3fab427d11efc0551f368e
MD5 hash: dc3a51aff947f48a0abed64d7b6e2509
humanhash: mike-beer-triple-hydrogen
File name:Прилив_83-6803391309_202203029.doc
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:123'505 bytes
First seen:2022-03-29 06:44:39 UTC
Last seen:2022-03-29 08:16:59 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:6jM85N6O70ZPjQbiYasnQ7UoUo40JFFB9faIzwXK/K9nSx8qvBsbOC9TWLGu865p:6jM85NDYsbiPf8FaFPvzNz
TLSH T119C3BFF027909DD2EADE5697916D9D8D2636217BFEC620CC404EFBD91B773418E0E882
Reporter abuse_ch
Tags:AsyncRAT CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/7b0de2532b96ff0f42c04e48d7515c4dbc8356f74443acd4a94d185d9a9702ce/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit
Link:
https://www.filescan.io/uploads/6242aaf0a19c649412a44b26/reports/62297d9a-a46c-4a4a-b462-106d4cc2d20d/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966480
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 599093 Sample: #U041f#U0440#U0438#U043b#U0... Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 15 other signatures 2->47 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 291 20 2->12         started        process3 dnsIp4 39 hostingmasters.net 173.249.34.150, 443, 49167 CONTABODE Germany 7->39 25 C:\Users\user\AppData\Roaming\image.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\vet[1].exe, PE32 7->27 dropped 49 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->49 14 image.exe 1 8 7->14         started        29 ~WRF{338F3A27-524E...8-1A4DA63F46DD}.tmp, Composite 12->29 dropped file5 signatures6 process7 file8 31 C:\Users\user\AppData\Roaming\DfHHacn.exe, PE32 14->31 dropped 33 C:\Users\user\AppData\Local\...\tmp6401.tmp, XML 14->33 dropped 51 Multi AV Scanner detection for dropped file 14->51 53 Machine Learning detection for dropped file 14->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 14->55 57 2 other signatures 14->57 18 image.exe 2 14->18         started        21 powershell.exe 6 14->21         started        23 schtasks.exe 14->23         started        signatures9 process10 dnsIp11 35 185.140.53.131, 49169, 49170, 49171 DAVID_CRAIGGG Sweden 18->35 37 192.168.2.22, 137, 138, 443 unknown unknown 18->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b0de2532b96ff0f42c04e48d7515c4dbc8356f74443acd4a94d185d9a9702ce/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 06:45:08 UTC
File Type:
Document
Extracted files:
5
AV detection:
16 of 42 (38.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pmg6euzls37q6qwajzenouk4jw6igvxxirb2zvfjjumf3guxalha._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/220329-hh3ksscda9/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.140.53.131:7171
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7b0de2532b96/report/overview.html
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/7b0de2532b96ff0f42c04e48d7515c4dbc8356f74443acd4a94d185d9a9702ce

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:ClamAV_Emotet_String_Aggregate
Create hunting rule
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Comments