MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7. 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: f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7
SHA3-384 hash: ffd67bc8c07af6cfce516a77cda460fd0d07e314ddef11455113df398a1a8fbf9d71a566acf5e17ceb2b183fc21d2268
SHA1 hash: 80dc0ae9baa787148c775a402e2ae2459f6cb886
MD5 hash: 116aa30e128bbaabf32496a4e9415d06
humanhash: twelve-three-muppet-bakerloo
File name:Purchase order LM20210120991001.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:502'272 bytes
First seen:2021-01-20 17:46:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:2aqmxI2rVbCA74yZYhveWbZLw/yiXNHniWMZr1XlNsh0qLdkDbAstvNiMTeiig94:wpqCo42Y1e0LwKqHM/lOTLdcAwcWeu9
Threatray 876 similar samples on MalwareBazaar
TLSH D1B4F1297668AF05E5FD07378879057453FEFD029A63C66E2CD4399D1AF2FB4912030A
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: sertechnik.com
Sending IP: 155.94.185.117
From: Erwin Seefried <erwin.seefried@sertechnik.com>
Subject: order 0118
Attachment: Purchase order LM20210120991001.7z (contains "Purchase order LM20210120991001.exe")

AsyncRAT C2:
nnoport.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order LM20210120991001.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 17:47:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3fbd0c43-6986-4a77-ae0c-26049d674066

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113179/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42809.6520.11228.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/586546
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-20 17:47:04 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6h6kxhypfef7mr6rwmbmutb7ihyddwynkwfodpevkmv4bbwv3c3q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
2c8c5c5e5990da4a2af218cfece6afda3f4830be6605b9767adbfbde2e5cd276
AsyncRAT
37b842cb5ad7a0ce19bd735e14bfd35f2d0708d396dbdf56b32c79448bbbef3a
AsyncRAT
49cd5a74bbebb0bb147f1bfb1e0ec7e42de79cd137eff2b62386cb3ac5229dab
AsyncRAT
54747f101ba51f7364f85105375eb872927e2ec2414fd6fa32dc4797b4eb6e8e
AsyncRAT
73ffaa868244eb4bcee7027ce57d30e604dda4dcda00fcfcbfb43103909ea52b
AsyncRAT
7fa47492c2377042d9b56f5d81c5e342aced8f51ca4237c9cd228d9b13b3bca5
AsyncRAT
867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
AsyncRAT
8dd3b9fb0158903433d23f879d07820b8110a4b6417f3deda72342c2f698384e
AsyncRAT
d14649ed26723ca7525ddadcf587794a3906ba9ebb090c83499f269ba2fd6ab8
AsyncRAT
dffdd312b2c69b06bd6e365479ab9887169c89f249b29d7b7f64327cb1ea371d
AsyncRAT
+ 866 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210120-wxw74hymt2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
nnoport.ddns.net:40770
Unpacked files
SH256 hash:
52d35fabfc97d3e903b5d9eb253e8f84d1dfee2967fa9dde6d6ca37cc61951c5
MD5 hash:
b5a7f2596efe4c5fc5f5d2c733d49259
SHA1 hash:
c121578124375dc293e4daf12fac22442a8131b6
Link:
https://www.unpac.me/results/03c56711-d7f6-404d-b87b-77d23682fd06/
SH256 hash:
10ab5b58307982caf197de195fb39abbe3e6e26baa436a620aec2a27be820d89
MD5 hash:
b9ede8a5083ebed11e6a3865aeed7aa5
SHA1 hash:
685ed0528d92d713bfe2debbf7009653fbedd35e
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/03c56711-d7f6-404d-b87b-77d23682fd06/
Parent samples :
f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7
580b46d3c66531c7398e60857e6d5177d500d75cc802ded85965e0c2a09e255c
SH256 hash:
440f2c6955fbeb9702f09dce522676650944f6587a195af1c6064244d50f6bcd
MD5 hash:
5b722ed7b05bcf95c9c034943f2ddbee
SHA1 hash:
17a1a31a393d86d80883d5d67244f6af16601e3c
Link:
https://www.unpac.me/results/03c56711-d7f6-404d-b87b-77d23682fd06/
SH256 hash:
f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7
MD5 hash:
116aa30e128bbaabf32496a4e9415d06
SHA1 hash:
80dc0ae9baa787148c775a402e2ae2459f6cb886
Link:
https://www.unpac.me/results/03c56711-d7f6-404d-b87b-77d23682fd06/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7

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.

Malspam

AsyncRAT

7z 0ad21185191925b7692d53546cfff61aeb0078ea6016b98679b6037a2dad2926

AsyncRAT

Executable exe f1fcab9f0f290bf647d1b302ca4c3f41f031db0d558ae1bc95532bc086d5d8b7

(this sample)

  
Dropped by
MD5 524b207f4697ead571561fa57213669d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0ad21185191925b7692d53546cfff61aeb0078ea6016b98679b6037a2dad2926
Cape
Cape
https://www.capesandbox.com/analysis/113179/

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