MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e
SHA3-384 hash: d298876bf95470bb6bbe44341d52edd6772f67f427fab34262411d563f33e5b10186acfb20087a5f35f1d2ec4006d0f2
SHA1 hash: 7c51421fe235ad624ef95c9bf78f2519878534dc
MD5 hash: d64738c98385e626a93ff567669996bd
humanhash: artist-one-single-red
File name:SC 210122 payment Advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:467'968 bytes
First seen:2022-06-07 09:22:04 UTC
Last seen:2022-06-07 15:29:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LLsgwn4QvGCTqRdq2i+BcZqxUmv0D0ByWTnyd0j:LL/wHGwqRdhiiKqxUAxTnyd0j
Threatray 18'646 similar samples on MalwareBazaar
TLSH T10CA4CF50A72FFC30F55AE633B150C0482764414EB9E6E43A576FB88E74A5B0629F2F39
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SC 210122 payment Advice.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 09:26:23 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/69bb5001-3b6c-48f0-a1f5-e208b3b604b5

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/277283/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/629f18fb824d74ef94f83d3c/reports/a1ca01ed-242b-422b-8d2e-55ebecf1d2cc/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7456d0b2-dc64-44f8-bcc9-b8140ea6c581
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008006
Signature
.NET source code contains very large array initializations
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 07:42:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwsdxld5xwvqojqrxqy43mp7tuwrabsqqij5xzya67juelukkqxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5a69092c2d9decda22f216947a5356ca728bc72538ab8a812236d86e64b2fbeb
AgentTesla
683fcdb3fba783c37005aa82c2a83d694e21326d11c3c3ce2a4ee9815c23638b
AgentTesla
6c336f6a851f36a936d61bdc52a6330774d96f2cc8e88adebccc09219bb1ea87
AgentTesla
82a216069aa4c363845a1e64a4df37bd6f97643cca8849ac144e120fdb2411d0
AgentTesla
b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219
AgentTesla
d3c3eaf544886b59568e9bd922d683002f64909d70ac6c50c9434731b2171a8b
AgentTesla
+ 18'636 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220607-lbxmrahagk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
52db5a165dc39d7bb487021895012370efb8b7d7ee2562178763ed25fd818c66
MD5 hash:
ba8c092d87edbdc5d6ba98bfb7324c30
SHA1 hash:
fda57b6312dc717285918d7e3de53ce325692981
Link:
https://www.unpac.me/results/bf839e02-a148-45e1-9183-8680f12ad163/
SH256 hash:
4b470daea3e99e166e1c7c640eda89957d583a8ab968399d367b0086d5c96834
MD5 hash:
47a92d33db3a6d67f1ea4109713fa8f7
SHA1 hash:
cb16b2bfe4f48ac8df9110adeba496e551834d99
Link:
https://www.unpac.me/results/bf839e02-a148-45e1-9183-8680f12ad163/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/bf839e02-a148-45e1-9183-8680f12ad163/
SH256 hash:
55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e
MD5 hash:
d64738c98385e626a93ff567669996bd
SHA1 hash:
7c51421fe235ad624ef95c9bf78f2519878534dc
Link:
https://www.unpac.me/results/bf839e02-a148-45e1-9183-8680f12ad163/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55a43bac7dbd/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/55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e

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

r00 b3e7d6f76b1b290057134c91556252310fddab14cc08fea5470de10957822e6d

AgentTesla

Executable exe 55a43bac7dbdab072611bc31cdb1ff9d2d1006508213dbe700f7d3422e8a542e

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277283/
  
Dropped by
SHA256 b3e7d6f76b1b290057134c91556252310fddab14cc08fea5470de10957822e6d
  
Dropped by
MD5 b7746a46f25925be882618956876e047

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