MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adcac50d0023e4f7103f3870fe9fc1ef9873904fcb1d7765b4ac589c0d12d47f. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: adcac50d0023e4f7103f3870fe9fc1ef9873904fcb1d7765b4ac589c0d12d47f
SHA3-384 hash: 2a7308b42a2b2a796c6c848a20160b7d6b02ee1e5bb6bf03daeb0b7d047a767fc147b2e96c04df30b3b6aee456ef7a45
SHA1 hash: ebd3ca8aa2571322f413340bd8d36b8df28a5dc8
MD5 hash: 97764f60a073dbc9137ef79bfe1c63b8
humanhash: november-cola-virginia-item
File name:97764f60a073dbc9137ef79bfe1c63b8.exe
Download: download sample
Signature AsyncRAT
File size:593'920 bytes
First seen:2021-02-16 20:03:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:iibJ5Dd98p9c2W7X6gl8ferA/1LxPyjvekK+Z187Cklxjl1ncYv2tasGHW:z7Xn7X6gl3ra1xWvMIojJutasoW
Threatray 10 similar samples on MalwareBazaar
TLSH 6EC4014136A8AF97E57F27F66934241193F6AC6B3A20E60DADD240DF1962F018F41F87
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://185.215.113.77/ac.exe
Verdict:
Malicious activity
Analysis date:
2021-02-16 22:30:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Binary contains a suspicious time stamp
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
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 AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 353755 Sample: BzRmS2LLnB.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 96 28 icando.ug 2->28 36 Multi AV Scanner detection for dropped file 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 8 BzRmS2LLnB.exe 6 2->8         started        signatures3 process4 dnsIp5 30 192.168.2.1 unknown unknown 8->30 22 C:\Users\user\AppData\Roaming\RSIdQVc.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmpD591.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\...\BzRmS2LLnB.exe.log, ASCII 8->26 dropped 44 Injects a PE file into a foreign processes 8->44 13 BzRmS2LLnB.exe 2 8->13         started        16 schtasks.exe 1 8->16         started        18 BzRmS2LLnB.exe 8->18         started        file6 signatures7 process8 dnsIp9 32 icacxndo.ac.ug 13->32 34 icando.ug 91.193.75.94, 6970 DAVID_CRAIGGG Serbia 13->34 20 conhost.exe 16->20         started        process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-16 12:28:33 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Unpacked files
SH256 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
SH256 hash:
4b73b25c57e2ea3cf1fed77acbdcd10fe6379c60f8f1960e1d33b90201bb4957
MD5 hash:
cbe89fb8f008bd014966a441fe90034b
SHA1 hash:
97f3c41ea9b2a5277cbfe4259354148b49a581e6
SH256 hash:
adcac50d0023e4f7103f3870fe9fc1ef9873904fcb1d7765b4ac589c0d12d47f
MD5 hash:
97764f60a073dbc9137ef79bfe1c63b8
SHA1 hash:
ebd3ca8aa2571322f413340bd8d36b8df28a5dc8
Please note that we are no longer able to provide a coverage score for Virus Total.

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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Web download

AsyncRAT

Executable exe adcac50d0023e4f7103f3870fe9fc1ef9873904fcb1d7765b4ac589c0d12d47f

(this sample)

  
Delivery method
Distributed via web download

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