MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32
SHA3-384 hash: 77c464bd790530c84b75b90de8a3a3e1e6b4b3c38796e6891c7fd6d512dd4a4d72de7eca4ac64cb293fff84d3539b854
SHA1 hash: a154f05e14ba5a9543a46e9d9a63f7d1aecbb8b9
MD5 hash: bb87451647f328189c1c1101ab479bc2
humanhash: black-ohio-massachusetts-idaho
File name:HBL-20210508 INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:806'400 bytes
First seen:2021-05-09 05:27:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:YOiZaGc/MvFFyYHURyaTYqqBg0emCV+uRE4WY6pSm0hF06Kwk4Y:YZZadrYSyaMqdF+uRE4nPz/k4Y
Threatray 4'627 similar samples on MalwareBazaar
TLSH 9705F13267D83F91E17DA3792630101013F1B90BE7A7E79D3EE590DC1AA2BD487A2752
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153418/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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/719901
Signature
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 408881 Sample: HBL-20210508 INVOICE.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 9 other signatures 2->49 6 HBL-20210508 INVOICE.exe 3 2->6         started        10 zUbDt.exe 3 2->10         started        12 zUbDt.exe 2 2->12         started        process3 file4 25 C:\Users\...\HBL-20210508 INVOICE.exe.log, ASCII 6->25 dropped 51 Injects a PE file into a foreign processes 6->51 14 HBL-20210508 INVOICE.exe 2 11 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->55 57 Machine Learning detection for dropped file 10->57 59 2 other signatures 10->59 19 zUbDt.exe 2 10->19         started        21 zUbDt.exe 4 12->21         started        23 zUbDt.exe 12->23         started        signatures5 process6 dnsIp7 31 mail.prinutrition.com 192.254.180.165, 49727, 49728, 49731 UNIFIEDLAYER-AS-1US United States 14->31 33 192.168.2.1 unknown unknown 14->33 27 C:\Users\user\AppData\Roaming\...\zUbDt.exe, PE32 14->27 dropped 29 C:\Users\user\...\zUbDt.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 Tries to harvest and steal browser information (history, passwords, etc) 14->39 41 2 other signatures 14->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-09 04:37:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7kdlzrh4xzcrlczz6moxohrcwvhpe5axhmtamqxuuishnzhyjmza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06b4de3d0ea9895ad2d5d1139d3fbc9a671890e8a66c3b7607351ac10fa30562
AgentTesla
0872a1be0db0ddeab0c9d4d52d457d76f5a0a02239bbe31882e5d7493af9992c
AgentTesla
3238cd98f0d5cb87510c0a57415f7d41087b738adf44ee4cdd04bd7b586b4db2
AgentTesla
6995fbe6e27b74546ac4ab82c7b00fe00884209e62d2b689b9ff3826752ca20e
AgentTesla
74b724569a5927bac6986864470763a88854802f63eb19571569da6276d542d2
AgentTesla
766275310a4cda56d3ac5765fba22cddae40c0e27da6bbe71db6c5ce160632f9
AgentTesla
7a5b389c6d4406106bcc3a83e48b8088091da0f74a7adfe2cdbd21603403ef08
AgentTesla
80e3d3585a4c54b56fc56c4c565f85b376363da6f07b4e186e92608846a414d4
AgentTesla
bfbcea482de7b06844d5ec8a0a512d5e7f3fa0d0c8abb71586ddaed9c902665d
AgentTesla
fd1dc434508928bc6ebdb5d29de7a1530f64b5d9eb8a9a577f97db741a62a644
AgentTesla
+ 4'617 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/210509-ckkpsp3g92/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/f63d301b-9215-418b-a0ef-12cb2b421f6c/
SH256 hash:
fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32
MD5 hash:
bb87451647f328189c1c1101ab479bc2
SHA1 hash:
a154f05e14ba5a9543a46e9d9a63f7d1aecbb8b9
Link:
https://www.unpac.me/results/f63d301b-9215-418b-a0ef-12cb2b421f6c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

zip 4126d12dd16659e5659b83bfd878c49d22c08290877b97b9f6574aa207aef55b

AgentTesla

Executable exe fa86bcc4fcbe45158b39f31d771e22b54ef274173b260642f4a22476e4f84b32

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4126d12dd16659e5659b83bfd878c49d22c08290877b97b9f6574aa207aef55b
Cape
Cape
https://www.capesandbox.com/analysis/153418/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-09 06:01:16 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing