MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d
SHA3-384 hash: 4d3596ce768ad6673ec3ee93ffc3815f4ce3b97db7bcfaaf52333897740d8f246ea60ec210c966727fe9d67f2e5fd33e
SHA1 hash: 43c86058ee1d9d341801282a0d7fdf7649d58d5a
MD5 hash: 2e3da5883a53167a5ad87858846b83f7
humanhash: seventeen-princess-colorado-august
File name:RFQ J893- PR#28201909.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:970'240 bytes
First seen:2021-03-17 08:19:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xUsE1riOxC2XOmXrCp6atKHJFe6QuHp7mNKfmJj6LKgRoJIAdTf4U2Wo:0WOdXrKEpF2uHp3sjaKg364U2Wo
TLSH CE250129033C6702E12927309892A52947F4E94532B6D7F5AEC1BCCD3D5E784DAF12FA
Reporter FORMALITYDE
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ J893- PR#28201909.exe
Verdict:
Malicious activity
Analysis date:
2021-03-17 08:55:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fa04ef95-1bf1-4dc4-b0bb-6fe169a17da2

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.1773.15293.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/642005
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 369974 Sample: RFQ J893- PR#28201909.exe Startdate: 17/03/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 Yara detected AgentTesla 2->38 40 8 other signatures 2->40 7 RFQ J893- PR#28201909.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\PBcQpFFuy.exe, PE32 7->26 dropped 28 C:\Users\...\PBcQpFFuy.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp8FE4.tmp, XML 7->30 dropped 32 C:\Users\...\RFQ J893- PR#28201909.exe.log, ASCII 7->32 dropped 42 Adds a directory exclusion to Windows Defender 7->42 44 Injects a PE file into a foreign processes 7->44 11 RFQ J893- PR#28201909.exe 2 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 26 7->16         started        18 schtasks.exe 1 7->18         started        signatures5 process6 signatures7 46 Tries to steal Mail credentials (via file access) 11->46 48 Tries to harvest and steal ftp login credentials 11->48 50 Tries to harvest and steal browser information (history, passwords, etc) 11->50 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-17 08:20:12 UTC
AV detection:
4 of 45 (8.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnfgqvjydek6xw4w24qkcdgvoh3dbhxink36bjy6ow63sxjkpbwq._file
Verdict:
unknown
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210317-yjfmtsc7vs/
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:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/b855d680-bf7b-4d2b-89cd-5403ebe79806/
SH256 hash:
6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d
MD5 hash:
2e3da5883a53167a5ad87858846b83f7
SHA1 hash:
43c86058ee1d9d341801282a0d7fdf7649d58d5a
Link:
https://www.unpac.me/results/b855d680-bf7b-4d2b-89cd-5403ebe79806/
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/6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d

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 6b4a6855381915ebdb96d720a10cd571f6309ee86ab7e0a71e75bdb95d2a786d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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