MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdcc8531c42e3ede33c0ecbcb82f7a6e5445e959eee3796475258df830a18813. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: cdcc8531c42e3ede33c0ecbcb82f7a6e5445e959eee3796475258df830a18813
SHA3-384 hash: d9a1702171bba32fa9275a959c507ed972493298014516f7771d8fa53f1e299e35ec5fa5077ddeb5d3c253122c112e6a
SHA1 hash: 4ba652be61d9185a8ae35f12a951d315f2c5dec5
MD5 hash: 84217fc5c07aabf3321ed2c0feed1cba
humanhash: salami-cardinal-pluto-dakota
File name:Halkbank_Ekstre_20210118_162356_389771.exe
Download: download sample
Signature AsyncRAT
File size:1'027'584 bytes
First seen:2021-01-18 08:04:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:04n9VNKp6dJxT4lavQ9UwMSK4Wq+BggkBuBGbWq:049VNtdJxT4YvhSK4UBgZBvJ
Threatray 80 similar samples on MalwareBazaar
TLSH 96258D1053CCDB20D7BC96F89810926067E9E546F658E37CF9BEA0C25F62DA449DFB80
Reporter abuse_ch
Tags:AsyncRAT exe geo Halkbank nVpn RAT TUR


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: halkbank.com.tr
Sending IP: 155.94.185.117
From: HALKBANK.E-EKSTRE@halkbank.com.tr
Subject: T.HALK BANKASI A.Ş. 18.12.2020 - 18.01.2021 Hesap Ekstresi
Attachment: Halkbank_Ekstre_20210118_162356_389771.tar (contains "Halkbank_Ekstre_20210118_162356_389771.exe")

AsyncRAT C2:
91.193.75.189:1604

Hosted on nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@privacyfirst.sh'

inetnum: 91.193.75.0 - 91.193.75.255
descr: Moscow, Russia
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-RU2
country: RU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
abuse-c: ACRO34258-RIPE
mnt-by: PRIVACYFIRST-MNT
mnt-by: RIPE-NCC-END-MNT
org: ORG-KHd1-RIPE
status: ASSIGNED PI
created: 2012-06-04T11:05:55Z
last-modified: 2021-01-03T20:17:23Z
source: RIPE
sponsoring-org: ORG-MW1-RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20210118_162356_389771.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:09:17 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
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
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-01-18 08:04:11 UTC
AV detection:
6 of 44 (13.64%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:1604
91.193.75.189:6606
91.193.75.189:7707
91.193.75.189:8808
91.193.75.189:1604
Unpacked files
SH256 hash:
1d6ecf546163882d34d4bb2b7afa3889506ca3036ed536c4ed972ed89bdf5035
MD5 hash:
fb169513679d349cb2a7e4121bacfd4a
SHA1 hash:
26619d7ce0a175b9fc4fbfd7f4b105050562924f
SH256 hash:
cdcc8531c42e3ede33c0ecbcb82f7a6e5445e959eee3796475258df830a18813
MD5 hash:
84217fc5c07aabf3321ed2c0feed1cba
SHA1 hash:
4ba652be61d9185a8ae35f12a951d315f2c5dec5
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: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.

Malspam

AsyncRAT

Executable exe cdcc8531c42e3ede33c0ecbcb82f7a6e5445e959eee3796475258df830a18813

(this sample)

  
Delivery method
Distributed via e-mail attachment

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