MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b76abf6aeb01912929b47192a023e846cc99482d449e8b0baf2aa38ad0ea111. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 4b76abf6aeb01912929b47192a023e846cc99482d449e8b0baf2aa38ad0ea111
SHA3-384 hash: f56a8af7cb4688a6de6f7ba81848251036568f1139b9ae6a631f6d0dd03f55f9f2579a5b90f2275717da2d80fb67a010
SHA1 hash: ce4748c3cf2b51d1daea6a642b18fae5f0848b43
MD5 hash: c8dc8cbf03ea0c11f5289d79ceb81a1e
humanhash: lake-sierra-lamp-sixteen
File name:Bank details.bat
Download: download sample
Signature AgentTesla
File size:2'217'984 bytes
First seen:2021-09-27 06:29:10 UTC
Last seen:2021-09-30 07:38:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:q7kjTq5k1OPb06Wt5uMcSlEA4LwnQ8GB6Gy8mMBBcwWNCxk99PU4V/kv6XLg3YJ2:qJ6Xu+jQ8GFy8mOWNEk9xw0LgIA
Threatray 10'255 similar samples on MalwareBazaar
TLSH T16EA58C443D15BA6DF94B5F7688D25C00921650E74A8FF30F8CAF21E6E84F38EAE49167
Reporter cocaman
Tags:AgentTesla bat exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank details.bat
Verdict:
Malicious activity
Analysis date:
2021-09-27 06:30:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491121 Sample: Bank details.bat Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 9 other signatures 2->39 7 Bank details.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\nWBYZEUhAWFAE.exe, PE32 7->23 dropped 25 C:\...\nWBYZEUhAWFAE.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpC74E.tmp, XML 7->27 dropped 29 C:\Users\user\...\Bank details.exe.log, ASCII 7->29 dropped 41 Injects a PE file into a foreign processes 7->41 11 Bank details.exe 2 7->11         started        13 schtasks.exe 1 7->13         started        signatures5 process6 process7 15 dw20.exe 22 6 11->15         started        19 conhost.exe 13->19         started        dnsIp8 31 192.168.2.1 unknown unknown 15->31 21 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->21 dropped file9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-25 01:37:00 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a08b671eab2c0169cd8cbf6f1e0308fe8d94662076e13cd3bac7f76167fe9c3c
MD5 hash:
aa9f51b617209aa3cd24e35cd8590b6a
SHA1 hash:
c4e866278cae479db1c65be45021da87cff4fa68
SH256 hash:
91e5a1d89ea9784f57f5f11c62e3e79ac2cfdaa868e3e02d7d81d03b3eea4c3c
MD5 hash:
8098b8ae1dce09f60398be2663d6925b
SHA1 hash:
89bcb424440e2de69121b55a128ae9cd47760d2b
SH256 hash:
11819c47b6bca2670e42fbd76fb3e14904357348a9f2ce27f1a565fef153e32e
MD5 hash:
ae9517a8e4eecb83a9df696239d03406
SHA1 hash:
7cfb2ca82fa828dadef8c9b84850f4366f559f9a
SH256 hash:
81dc855e94b5afa8767dc33aba69a0b94416bdf69536acb1a6e193a1a148a26f
MD5 hash:
ca6628c3abc3d5672c0b36c4e75e2330
SHA1 hash:
4369b695fd51fe41cf0b21e7f2b1875752e5ccef
SH256 hash:
4b76abf6aeb01912929b47192a023e846cc99482d449e8b0baf2aa38ad0ea111
MD5 hash:
c8dc8cbf03ea0c11f5289d79ceb81a1e
SHA1 hash:
ce4748c3cf2b51d1daea6a642b18fae5f0848b43
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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 4b76abf6aeb01912929b47192a023e846cc99482d449e8b0baf2aa38ad0ea111

(this sample)

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