MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
SHA3-384 hash: d46c27304334b67f92891b3e032ae4cfdc9e3d973ccbd8c5772cd2dcb99cbe79f770a2981bd312dbd56040957d39018d
SHA1 hash: 5f611b9794b1b141235de5c227e4e3c4706cecc9
MD5 hash: 7d0135e4acefe36bc636f0a71396eb63
humanhash: juliet-crazy-sweet-seventeen
File name:812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'039'360 bytes
First seen:2025-06-10 11:13:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tgDB6yIod5vflqrMuzSiou/mgYOZf1u17Am7IhUkirqv5PZNa:tWIodVCMsSioj01hRKYG
Threatray 46 similar samples on MalwareBazaar
TLSH T1BD25D0067385CF11C46F16B5C9A3D2F82327AE44DC01D7CB6BC9BE5B79B32992A51283
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
Verdict:
Malicious activity
Analysis date:
2025-06-10 17:50:55 UTC
Tags:
netreactor evasion stealer auto-reg ultravnc rmm-tool ftp agenttesla exfiltration
Link:
https://app.any.run/tasks/01b8382f-3fb7-4658-8a3e-9cc754c204f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/8720/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6848135c07b5e8c1cfe6158e
Tags:
micro lien msil remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f41181b-7af7-4a7f-8f1f-71381e609b96
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1711210
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Drops executable to a common third party application directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Uses threadpools to delay analysis
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711210 Sample: NAIobME56Z.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 23 s4.serv00.com 2->23 25 api.ipify.org 2->25 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 6 other signatures 2->37 7 adobe.exe 3 2->7         started        10 NAIobME56Z.exe 2 2->10         started        signatures3 process4 signatures5 39 Antivirus detection for dropped file 7->39 41 Multi AV Scanner detection for dropped file 7->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 12 adobe.exe 14 2 7->12         started        45 Injects a PE file into a foreign processes 10->45 47 Uses threadpools to delay analysis 10->47 15 NAIobME56Z.exe 16 4 10->15         started        process6 dnsIp7 49 Tries to harvest and steal ftp login credentials 12->49 51 Tries to harvest and steal browser information (history, passwords, etc) 12->51 53 Installs a global keyboard hook 12->53 27 s4.serv00.com 213.189.52.181, 21, 49693, 49695 ECO-ATMAN-PLECO-ATMAN-PL Poland 15->27 29 api.ipify.org 172.67.74.152, 443, 49692, 49694 CLOUDFLARENETUS United States 15->29 19 C:\Users\user\AppData\Roaming\...\adobe.exe, PE32 15->19 dropped 21 C:\Users\user\...\adobe.exe:Zone.Identifier, ASCII 15->21 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->55 57 Tries to steal Mail credentials (via file / registry access) 15->57 59 Drops executable to a common third party application directory 15->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->61 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-05-29 08:04:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qevysa66xtbozlidtpk6ud26oyln5djzatz65mr46oifjedisssa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0488152cf6c374d576539c48ab983d8b8eb04014b16186ca85f26a4ce7bcde01
AgentTesla
14e491b037d94867f18ba9a1b5feba5bac1ffdc5c9e3034da7fe87432c88fb60
AgentTesla
2042cba27d11b2481f4f1cfbd370fb5c30094bc553fbdd8845438aa4e0b39b01
AgentTesla
58c0d13228c325874b79f28d9434999a8ad12ca1051d3264b49089e1c131077f
AgentTesla
82f415c500ccb21a936a061f3ae04c255fee596102d783f91c7fcb6e2a7a1e8d
AgentTesla
8d8125ab11e71b1f93a499ebfcf39c91ad208f3260fa3a848188a0b39cba3898
AgentTesla
error
AgentTesla
+ 36 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/250610-nbjf8sdk4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
agenttesla external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/91c5f086-4d16-40c2-9695-f9aee9b648a0
Unpacked files
SH256 hash:
812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
MD5 hash:
7d0135e4acefe36bc636f0a71396eb63
SHA1 hash:
5f611b9794b1b141235de5c227e4e3c4706cecc9
Link:
https://www.unpac.me/results/3fb34c93-d260-4b63-a08e-dedaa441cbe0/
SH256 hash:
9e11978a92be19092136c64c83ab9ef4a5273b1d9f34d5287263b42ea68d6958
MD5 hash:
eaf69e05aeb9a3a33f016e8f1744a7c1
SHA1 hash:
94adb39207be08673e7378e28b881707582272b4
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/3fb34c93-d260-4b63-a08e-dedaa441cbe0/
Parent samples :
1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
8c3942ec338c5736d15454714917f9dfb976547392b16a62213384ca68c24cb0
305d9600a596e53e188bb33f97ec95ce57d2532d55f670fef47165f477d837b7
8be603d66148c712db208a6a43f50306ff49d1964b66d43545eb73379d777374
340413546b07d2304e38dd304e8555b93d38bb6eba786878e975551a5c36c937
1903dce033676f84e6b620f75e6e8d58a010efd0eac87b550b2d4a573a1161c6
704acb5bd2b9a63243277eb991c4ce2464c9bd09611fc07dc1eddff587cf3c7c
31e7d9343c6377ee6bdd387b613b77423e25f9983b612903b86ec5361b41e7a9
14e491b037d94867f18ba9a1b5feba5bac1ffdc5c9e3034da7fe87432c88fb60
e2215a9169714d8063c3c2810d8e98e01c0c16abfe45f90b0cb4852bd18c4f99
2ac0bb8eddb8a01021d0603037b587b443fd2c56030466e756ea78651961032e
57c0a342a61f7925d64d41380534113d7a14f1ebcbdf364e3e1ced5df6820019
7321f80ffd0f6969edbbce30444be7ff299357b059194cd5e1a2586f74f1940f
a5c78256329cfac6c37d77b70519dda8970781962eed7f6b963e1d499c26dcb2
9626576751f3bb699691a8b760b018914957fe19c7af62067db8b4a4aa69c43c
2042cba27d11b2481f4f1cfbd370fb5c30094bc553fbdd8845438aa4e0b39b01
ad5ddd84e6db4b39b36cdabf783b00f6ed92d7e92d34602ffbacfadb77ce80b2
812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4
0d0cbcb571b964e5a596706a55bdbeff01ab4f03c137d2ba04647f8f48ac6dda
a906148e64872856c678071de68c5a35ff215d6efa775a7a81a895f8bebf0543
92153eb23f0d42436672367dd42ae049405ce0e7ac78e8c41b8e94a17e128b46
0488152cf6c374d576539c48ab983d8b8eb04014b16186ca85f26a4ce7bcde01
f91e05ca439cfe5e0e7bc5d552d9157ab449c10cd0680e6cdd1d038a3eba687c
58c0d13228c325874b79f28d9434999a8ad12ca1051d3264b49089e1c131077f
0f7095f9eec03d3ea4251c33144154ce3aa68e8300981d5a0af2f0957b9e8de8
fb17cb017feab0cc9e07b5a062f0ddf5afbbb69a419be4c6a33b7a0d1cb334e0
c6863ad1274d1dd9f4fb0ed5797977fbe6a4c3f96aee356da71b969c4872e3f6
5194499b316062a0ae652d84f00d8df077481be21cd7f76df2467f7504a0bc7a
18bfa27369190e98c8430d8253dc019bdb627ada41bb9b4fb200e7d43199ea64
8d92073d35c4b393c3e0abc5d49ed11071c6669fdc88edf1d2f978ded0591d85
SH256 hash:
cb17485fb8bf0369fcbfde6b8d10f41aa33a93b947ba92fe6d02c09cba52d7f2
MD5 hash:
53a65fca45bcd82ed16a11dcbaf3b639
SHA1 hash:
bd254eea438a4e94c6c269f16a7f8eb327cef1a9
Detections:
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
Link:
https://www.unpac.me/results/3fb34c93-d260-4b63-a08e-dedaa441cbe0/
SH256 hash:
fee2031fe44cbfa57c47004a90240e13b0bc24d062bf1e42f4955575b6e9a52d
MD5 hash:
1e90a4973669cbb9e2e2dea96ffefcb6
SHA1 hash:
e6baba77418f00b14115d50ffe6e339fe595a6b6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/3fb34c93-d260-4b63-a08e-dedaa441cbe0/
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/812b8903debcc2ecad039bd5ea0f5e7616de8d3904f3eeb23cf39054906894a4

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/8720/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments