MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780. 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: b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780
SHA3-384 hash: 2981e244afed9426e42a3e98bd5961e9297355da815872a4e651d4436e938361dc4cb86ab0c9dfdb616e334b973a86ec
SHA1 hash: bac6ad03af24d2ff7c3379c11cee5db525707aa7
MD5 hash: 6012bd58da83ca070e9925ace63e8b91
humanhash: south-sierra-east-football
File name:COTIZACIÓN.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:655'360 bytes
First seen:2023-05-23 14:36:35 UTC
Last seen:2023-05-23 15:49:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:92iN/5Rfigxcsg2rlN2ilVXprXymCW1/utNWR3ugkSLTh9hjF7u:91hCu/g2TLdimCW1/uzPgzG
Threatray 4'126 similar samples on MalwareBazaar
TLSH T198D4DF8B296B9B26D57103F95226E2B963752FE82173D31A8CE37CE3F439B424D01257
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
COTIZACIÓN.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-23 14:37:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c42da062-a586-4b05-9186-d9b65e83563f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/646ccf8e63d8dda9d0ac6b65/reports/2ad528f3-9cee-44e5-8828-3bd438fa023c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780
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/3c2f0810-e3eb-4f8e-b0ec-5956f28bff9d
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1240953
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-23 14:01:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtqg5mb7ewk4vmfxitbxfegdmqpyz37ts4h4j27pvydt4cy7u6aa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1c0216850dbb0c54ac0530096791d93e6b2309a72171c933c2f633d49a5eabc4
AgentTesla
32606aec367ff7a71d0af223af5d22075a6cebc9fb967e4f2b5903fdee682bf6
AgentTesla
333b4a89730feb420bc1a76bed5c75943e663abd60eaf91c1bafd8417ccab76d
AgentTesla
4eff9b9fcfb59f8402b524565f92e905dbec8c610ec6dadaf9c3cb1fd5c3e5e0
AgentTesla
a9cdb9cfeb1c1056c0db558d54cfa61d9f3dac179e934d2869f4bd829fe20819
AgentTesla
bdfd3a90007f6305a48bf0297b5e0f9015cda1d82b1cb90ce6627bd9e7bc16cd
AgentTesla
c5b618054d855fffed65dc372080cdc5de39ca31edd513e7765a02c64f9b9e1b
AgentTesla
ca6a6aecce39ebda2e107fbe004eabd01987ef49bc04078d42a566cc517be270
AgentTesla
f1d17b3eaebacbc4bb2bbbd958910c39391ba63cf9ff0bc7ecbc8875dded84b7
AgentTesla
f4987dacf72e39e82c79a98402f44f83e364f4e1a96c808dbdcfd232c276fa09
AgentTesla
+ 4'116 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/230523-ry481agf3s/
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 data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b03e2625e53fd7656055aeb653221dc8a319b28d456c67bcaa9b383c1c7bc162
MD5 hash:
ad7e0c2dd0bddbcca9105ffcd8d0194e
SHA1 hash:
e9dcdad7e7dcfb6abd3e7e5f609f901833ad40f9
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
SH256 hash:
cb5ee4cfd7179a57298c02ce4ccc9c2ca6b0b310758a7320340cf0a40ab62f88
MD5 hash:
0dd66dbaf510e93ec00b9eadf5ec34b6
SHA1 hash:
b7e1b7bbf2d58cc03beeb7095ae98e03426f39a7
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
e77b03b10845d6bba8e5b2e8728a08762e4356a4957017fde8702ceb741831bb
MD5 hash:
cfaee370e38987e43f771aef582c771a
SHA1 hash:
9978fe2e227f5c3934d2ab85fce5b40181cff2bd
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
SH256 hash:
bdfd3a90007f6305a48bf0297b5e0f9015cda1d82b1cb90ce6627bd9e7bc16cd
MD5 hash:
52c7540741d5e17d69e652ae8313bff4
SHA1 hash:
686cb503c1c90414566dbd1796b46ef0acfb231a
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
Parent samples :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 hash:
b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780
MD5 hash:
6012bd58da83ca070e9925ace63e8b91
SHA1 hash:
bac6ad03af24d2ff7c3379c11cee5db525707aa7
Link:
https://www.unpac.me/results/66ec3987-1967-4ebb-9bdf-a7db7a19b268/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b4e06eb03f2595cab0b744c37290c3641f8ceff3970fc4ebefae073e0b1fa780

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.

Comments