MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2. 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


AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2
SHA3-384 hash: 71c1544a3fed151063f4415d9a05ebd680fceb5988d641220b2e3dedf87d2c9a62b9728e9a01694c022c43971d725ff8
SHA1 hash: 3a8c17cf2d1d9447cec5bce7e04d29661efa0312
MD5 hash: c24c9f40312171cdf32ec38ca247bd20
humanhash: sixteen-carbon-mike-table
File name:RFQ # 1667170.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:712'192 bytes
First seen:2021-10-05 05:49:51 UTC
Last seen:2021-10-05 05:50:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EHNo3TkOlxgAtePAZnLYd/5bKujJJD5/ZIvMpo0:EtOzgAtSAZMNh
Threatray 10'718 similar samples on MalwareBazaar
TLSH T127E46CAC7673FDAECD17C07B8A583D60AF2C2CA6431B7212501771A9AD7C996DF500E2
File icon (PE):PE icon
dhash icon 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ # 1667170.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-05 05:51:54 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/90cf8c25-ad74-4e73-90fb-d0012f1cd579

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/194856/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c0652b95458900cdc5f25/reports/f8ef216f-6f96-4d1e-a382-9ad071f7aa8f/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/964eca12-eec3-44f4-b03e-27052a18766a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864472
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496932 Sample: RFQ # 1667170.exe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 Yara detected AntiVM3 2->43 45 5 other signatures 2->45 6 RFQ # 1667170.exe 3 2->6         started        10 newapp.exe 3 2->10         started        12 newapp.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\RFQ # 1667170.exe.log, ASCII 6->23 dropped 47 Injects a PE file into a foreign processes 6->47 14 RFQ # 1667170.exe 17 9 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->51 53 Machine Learning detection for dropped file 10->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->55 19 newapp.exe 2 10->19         started        21 newapp.exe 2 12->21         started        signatures5 process6 dnsIp7 29 ftp.northsrockusa.com 67.220.183.18, 21, 49790 24SHELLSUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->25 dropped 27 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 3 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 05:50:18 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3vtmfqn2zll5mxpzpgkawszwedddfk5es7tpf4wztqt7buea3dba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
14d312f9a9f34bf80a0b27717a5cf84330e86d208dcebcf045f34f8d095ba9b6
AgentTesla
188bcacd74aabebec45f6a24175295ed574de65516021c9f0739dff3e9666a6f
AgentTesla
3a885666925f2a9a54b773fde621b742e80295678167539648c127deeddbaa98
AgentTesla
580af0298779445c0a2d442dd5536d13b67d17fc3f6e0bab0b9eb81a105dd07c
AgentTesla
a940dd76428496c9d30336bab7130c072333f4482e2aadc30952d3e35a86400c
AgentTesla
db6089455e43b93f9ec1813728e5888f67a6eb9be64aea79775f315520b4cc26
AgentTesla
de0419f15e231116f87b5ac3a8aeab734175c685920fce69c8c39836d1ab4491
AgentTesla
e9df10889f9591164da6652ef244bc05c5434123230eaaa1c52d82560a7447ef
AgentTesla
+ 10'708 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211005-gjpvnahegk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c485d8fc902865eff13551e19c0b7e9faa16f6f204fae08df3a6354cac223ffc
MD5 hash:
dafeeb76fa1ebc76433a96abb77d851a
SHA1 hash:
8e246e546d96659558816bab99b6d98fe56dc3cc
Link:
https://www.unpac.me/results/91202b9a-2093-4794-b07f-a3bc38fd8625/
SH256 hash:
539273e7b64fefcad0ec95dd28e1857bdc9d5d1e5ee566b2526cdd835dcd0c48
MD5 hash:
4159ba15bd2e1f562423997c200d53aa
SHA1 hash:
7537039cd982ed7afaeb05c9e2c58d6add89d4ac
Link:
https://www.unpac.me/results/91202b9a-2093-4794-b07f-a3bc38fd8625/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/91202b9a-2093-4794-b07f-a3bc38fd8625/
SH256 hash:
dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2
MD5 hash:
c24c9f40312171cdf32ec38ca247bd20
SHA1 hash:
3a8c17cf2d1d9447cec5bce7e04d29661efa0312
Link:
https://www.unpac.me/results/91202b9a-2093-4794-b07f-a3bc38fd8625/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dd66c2c1baca/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/dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Executable exe dd66c2c1bacad7d65df979940b4b3620c632aba497e6f2f2d99c27f0d080d8c2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194856/

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