MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3
SHA3-384 hash: 01fa68b9a0df3d2c6f98e473adafcd02aa72765c4e0fb5ec345579b2b8df44805d7aaee1ed759692b58fd8ff7f470368
SHA1 hash: da8422f60eb3e34df0620c09068819835d6c73eb
MD5 hash: 2fcc2f015083a91eb47cb40eafc34280
humanhash: oregon-hydrogen-twelve-twenty
File name:2fcc2f015083a91eb47cb40eafc34280.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:184'320 bytes
First seen:2021-02-10 08:36:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:9FjlC0jtAqpLXnjwm3eyLoePblVBErBa+RCIVXz7MfU6MQ2icUksGboN:vKmEmOkoMYI+ci7Q0O+b
Threatray 596 similar samples on MalwareBazaar
TLSH FF04E01133788F66E0BA9BF55476168813BA79072822F75D9EC570EF18A7F008662F1B
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e1c742ae4b7d10e026755e3fe5093d46.exe
Verdict:
Malicious activity
Analysis date:
2021-02-10 07:50:40 UTC
Tags:
trojan rat azorult stealer vidar loader remcos
Link:
https://app.any.run/tasks/4dd13993-37d2-4d8d-84c6-c5afe5d575c4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/116443/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.61478.25533.14037.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a window
Sending a UDP request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/604091
Signature
.NET source code contains potential unpacker
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 13:41:58 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg2cf3rfwmd57er7udautfwawn2izfj2si4aig2f4zy2ts5mbtzq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a9e7542b65b3a7c5e1a11a2b23c2366fd53bff3205bb9d1656d4e32d1f0068b
AsyncRAT
2c8c5c5e5990da4a2af218cfece6afda3f4830be6605b9767adbfbde2e5cd276
AsyncRAT
395fdb688d7d8085e2636fb26e7e4d5004ae3ec20db26edeee1e0a19d5872e07
AsyncRAT
68bf0a42854ac13fe13a75bb213f51934a3edc0fa7a0732ddb12a68699619474
AsyncRAT
867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
AsyncRAT
8dd3b9fb0158903433d23f879d07820b8110a4b6417f3deda72342c2f698384e
AsyncRAT
b465151f3d0ce34aad5f35ff2647138b763f133e75d01336e9191185f58b0931
AsyncRAT
c853a4beac9f6fcea2bb9ad13b17eafd6605cac76899edbecd88d4f981d9f432
AsyncRAT
e452ae28b674ac4715a811e24d502948e94489ccb1ed14ca49d3ed8ab395f85c
AsyncRAT
fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 586 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat ransomware rat
Link:
https://tria.ge/reports/210210-j6dmaztp4j/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
icando.ug:6970
icacxndo.ac.ug:6970
Unpacked files
SH256 hash:
451282223f1a31fdccb2a3eacaef0d7de19441516bc4cbe4adc2f2c9ba0efb09
MD5 hash:
05761ea38cd35d628421d867a82a309a
SHA1 hash:
2facc3b57e336583c95270c6d6dfb6d7ddcf56b4
Link:
https://www.unpac.me/results/bd8cb23b-8d26-47dc-ba2c-aade04b0e4ca/
SH256 hash:
3940469f3c5bba9efdba4d2f59b129ca8f153ba08cbcf687223c36a7760b60fb
MD5 hash:
089e8d291bd0a40413b6c81ba5884587
SHA1 hash:
a9e1006daef25f262d6b53e315b3df5e2786ccfe
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/bd8cb23b-8d26-47dc-ba2c-aade04b0e4ca/
Parent samples :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 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
Link:
https://www.unpac.me/results/bd8cb23b-8d26-47dc-ba2c-aade04b0e4ca/
SH256 hash:
91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3
MD5 hash:
2fcc2f015083a91eb47cb40eafc34280
SHA1 hash:
da8422f60eb3e34df0620c09068819835d6c73eb
Link:
https://www.unpac.me/results/bd8cb23b-8d26-47dc-ba2c-aade04b0e4ca/
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/91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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 91b422ee25b307df923fa0c14996c0b3748c953a9238041b45e671a9cbac0cf3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/998436/
Cape
Cape
https://www.capesandbox.com/analysis/116443/

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