MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad
SHA3-384 hash: 5603239247eaf07573573a8cbb98f0a1056a53d2dd51a2f4aba1827d907b49d494b608067cb674ee8ba771a120a3b912
SHA1 hash: beeff72a874592bce7218428c90e5a6eb05032da
MD5 hash: d1b016c284e45c7a92b76dc5fa2ef9b6
humanhash: zulu-uranus-south-hamper
File name:222284557-045845-sanlccjavap0004-8743.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:724'480 bytes
First seen:2023-09-29 11:36:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Dc6Ackj6ux1gTFr1O9K+F9lHMgNa501u5GLXfJEL2Fw1yhWvZRUA2zi14jRVz:9kmu7gaIIc5YsG9qYmy+UH
Threatray 5'726 similar samples on MalwareBazaar
TLSH T1F1F412026BD41590F6BB32349AA6113003B7A690DD38DF2C19CC618C5FEB7A5BA55FE3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 229878f8b4f031c4 (24 x AgentTesla, 5 x Loki, 4 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
222284557-045845-sanlccjavap0004-8743.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 11:53:16 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/d19d4102-dd8a-4c67-a0e8-37af752c283c

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/451956/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6516b6ac34be449f011b3316/reports/2c7e08a4-0052-464b-b749-536b5c41daf5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3595133b-348c-4be0-be50-ef68d03fa1ec
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316531
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316531 Sample: 222284557-045845-sanlccjava... Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 7 222284557-045845-sanlccjavap0004-8743.exe 7 2->7         started        11 BCrJrXzqu.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\BCrJrXzqu.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpBB5D.tmp, XML 7->35 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 Adds a directory exclusion to Windows Defender 7->51 13 222284557-045845-sanlccjavap0004-8743.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 57 Injects a PE file into a foreign processes 11->57 21 BCrJrXzqu.exe 11->21         started        23 schtasks.exe 11->23         started        25 BCrJrXzqu.exe 11->25         started        signatures5 process6 dnsIp7 37 mail.sofahaus.eu 173.249.53.198, 49721, 49724, 587 CONTABODE Germany 13->37 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->59 61 Tries to steal Mail credentials (via file / registry access) 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2023-09-29 07:21:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
14 of 36 (38.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbfr36vv7vd6zznsc737khp4jnpsjnawd73lwrbjjhomvsxpu2wq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
56e7b2e2165d002ad697d45161f14c37de5b6fa70331e61b8a8e95467ed98a1a
AgentTesla
95f55542b28bb67dca43e90777bd25700d3afea56b15581a8de5340d0b5dfc12
AgentTesla
a06f443a1ca6cbaf9e8cd3a2ff0e7ec0d982d654709e952fc68621450926c509
AgentTesla
a334c6122bad0425124968bc3a443bf3a4ef2aabb1e865f03fee17122f0c6885
AgentTesla
abe8a963227c2e0dc5889b256d4e390e712a0cfa2f154db2600cce722d118b5e
AgentTesla
b02b2ce7e00fcf9e36c4469bd68e3cd6812ccb39fd24a7beec8aec0f7b9e3287
AgentTesla
d1feda287249dc562cb50bf9fe7a09ac4b34aaef7366f9f99c7450d3de5251a7
AgentTesla
d62ab80a981120bc862738658cae6128082845908836dd11bbdd8c9e7995b17a
AgentTesla
+ 5'716 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/230929-nql6nsab9t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
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:
5ab11a933c95891b62f1ba94f38cdf01ded8f19061946601670c430d084dd007
MD5 hash:
24e1d07ed94115e19deac95b30c3af96
SHA1 hash:
bb6c15b4d1cbc2b3307a58af6d0c3d5ec6ce4e09
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
SH256 hash:
9b752e4337b9d07adc1dac040e2f3811eaede98944d3833cb9681ab9e65c8c7b
MD5 hash:
3de41c13939dff9238fd3d03b71c4c4e
SHA1 hash:
a64fac8140c4a81509d078c02f8191ab3244801f
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
Parent samples :
b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad
63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73
46fca0c0e3f205ee0c27db0a09be4ea3296b40bd92dd66f3133dc48f8862c761
97a6f1686f456a126c4fd823b01df49814c71dbf4e2f3458ce9c62f89de17719
a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
164d54f565cb9285f383bd2bf702123d8db4f32262bac2ab6324ad1975920cb2
SH256 hash:
bc6e1487bee00a8fd2b639ee4e60867d7e409bd3cb6be1451f5ddbce26340766
MD5 hash:
fe233bfa89c7e26811c45fec198f7937
SHA1 hash:
6f0af0f155b841786f43b01e0c1c033aa277cdbd
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
SH256 hash:
a8025b8b190f49b7544c8a5a537440f8c1a42da7dfb9690f8de2a3da27eef592
MD5 hash:
f002a273fe21cbf2399c8eceb594a7e4
SHA1 hash:
39de7b500aeef41d67b6d2c0ea439b61766493c9
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
SH256 hash:
b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad
MD5 hash:
d1b016c284e45c7a92b76dc5fa2ef9b6
SHA1 hash:
beeff72a874592bce7218428c90e5a6eb05032da
Link:
https://www.unpac.me/results/c60bc1fd-ac46-4157-9180-dd2037b93fd8/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b04b1dfab5fd/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/b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad

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: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

Executable exe b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/451956/

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