MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b56aa3bee0f39ab41d34d7c8c9fca29834728f662079b3a9b794d128414055f. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b56aa3bee0f39ab41d34d7c8c9fca29834728f662079b3a9b794d128414055f
SHA3-384 hash: 34b0fbfab2904574b8ab265efc02a18949a5b3172ec81ca262a0a0c4fd999269befcced937aebfd2c621c95ed58e7d88
SHA1 hash: 308ae9389b8e99359357b73688e7a2af86bc6cba
MD5 hash: 82cfd44b8353c0e59d51027c06eb4f9c
humanhash: pip-georgia-thirteen-lemon
File name:MlREkiDHEkgt9F1.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2021-03-10 23:05:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:WpDu7vg3mb27g/99nyZdNZ/goKAWVkmcgdqy7MuA1em:CuDym+AaV/GAYpAgm
Threatray 26 similar samples on MalwareBazaar
TLSH 51058B652398CA48D3BE533DEC219A6043F06C32F657C729FED078EA3934791E61E256
Reporter FORMALITYDE
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MlREkiDHEkgt9F1.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 23:17:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/42da43ba-aa13-4645-92da-ff112bafd4f9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.20363.19129.UNOFFICIAL
Create hunting rule

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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/635534
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 366742 Sample: MlREkiDHEkgt9F1.exe Startdate: 11/03/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 8 other signatures 2->39 7 MlREkiDHEkgt9F1.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\xuIQzHoylLreu.exe, PE32 7->21 dropped 23 C:\...\xuIQzHoylLreu.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\Temp\tmp703.tmp, XML 7->25 dropped 27 C:\Users\user\...\MlREkiDHEkgt9F1.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 11 MlREkiDHEkgt9F1.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        17 MlREkiDHEkgt9F1.exe 7->17         started        signatures5 process6 dnsIp7 29 weldasys.com 14.102.148.13, 49761, 49762, 587 IPSERVERONE-AS-APIPServerOneSolutionsSdnBhdMY Malaysia 11->29 31 mail.weldasys.com 11->31 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 22:45:59 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnlkuo7ob442wqotjv6izh6kfgbuokhwmidzwou3pfgrfbauavpq._file
Verdict:
unknown
Similar samples:
21bd5e4845c12f0601ae8988314a461339e03e78267cac80f4a34ce93ad404ab
AgentTesla
28acc2c366be7e05e2be2282dc6c38e241fdcb3d603bde37258584ebbf34c9bc
AgentTesla
28b8c820fe2f8e71d4b5ef4ef148648621285a0fbe98a59f88c9fc4912c89808
AgentTesla
42b378421943cc08b99ef34c2fa5e118905736064d482fcc63e4f76133965d23
AgentTesla
4ba35503720532a6dcd762bfe3790f82347ff66535b50b735b96126399a11944
AgentTesla
5b39249fdee4e9fa76ef6906990437c7529c0a8e1e6238606e8416f084d10972
AgentTesla
933c59b472b918b70a0fa3ad9f647c793405f4256a5185794444a522b15cdcb8
AgentTesla
afb27ec6e5d034eedb7fee67aa3997da982320fe3f131f768393ba302608e52c
AgentTesla
e0d8da6249a7613a40f6b514cae3b15c22a667b5632f1b8545453e0ca31215cc
AgentTesla
f11718aaf988815bf640b4b60419624d064da71c0b8a3e02f5c17f98d5074cce
AgentTesla
+ 16 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210310-zza1pgjf9n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/0044b055-bfb8-4c9d-bdfd-256ef0f2e2a8/
SH256 hash:
1b56aa3bee0f39ab41d34d7c8c9fca29834728f662079b3a9b794d128414055f
MD5 hash:
82cfd44b8353c0e59d51027c06eb4f9c
SHA1 hash:
308ae9389b8e99359357b73688e7a2af86bc6cba
Link:
https://www.unpac.me/results/0044b055-bfb8-4c9d-bdfd-256ef0f2e2a8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/1b56aa3bee0f39ab41d34d7c8c9fca29834728f662079b3a9b794d128414055f

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 1b56aa3bee0f39ab41d34d7c8c9fca29834728f662079b3a9b794d128414055f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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