MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d
SHA3-384 hash: 042203289c835755b71a66ca2c85709130276c74c53139a8e13d99fddd5d34c0859e074332e6044c85bb7d9d769336d8
SHA1 hash: 5ef22c3d8dc871cb6a7b1c786db00ab558c64a97
MD5 hash: f84c0765285cfa761e31bfa7f5f2b878
humanhash: east-lion-pluto-alaska
File name:General Attachment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:591'360 bytes
First seen:2023-05-02 09:24:33 UTC
Last seen:2023-05-13 22:51:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:34awZIJA5PDeLQM7SEUdnX+z3eSvDBKFtI0JrxwS:ygkDT2wnXQ7F0dxd
Threatray 639 similar samples on MalwareBazaar
TLSH T15DC47C63F135CADFEE713BA5C15DE7567E60E412E091F0A07E0920C8DAA57E21E8C17A
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 abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
General Attachment.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 09:31:31 UTC
Tags:
evasion snake keylogger trojan
Link:
https://app.any.run/tasks/6bbe1578-5bb0-4ba6-9a6e-bdd655f49cac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/386023/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/6450d6f21facab193c670b06/reports/c9909522-3a20-4bd1-9a1e-3e6250601985/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e189d7a4-4bb0-48ef-b42d-dae6906ea813
Result
Threat name:
Snake Keylogger, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224559
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, 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 Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 857521 Sample: General_Attachment.exe Startdate: 02/05/2023 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 7 General_Attachment.exe 7 2->7         started        11 cvltQgKHOkpV.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\cvltQgKHOkpV.exe, PE32 7->33 dropped 35 C:\Users\...\cvltQgKHOkpV.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp55CB.tmp, XML 7->37 dropped 39 C:\Users\user\...behaviorgrapheneral_Attachment.exe.log, ASCII 7->39 dropped 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 13 General_Attachment.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 General_Attachment.exe 7->21         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 23 cvltQgKHOkpV.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 checkip.dyndns.com 193.122.6.168, 49697, 80 ORACLE-BMC-31898US United States 13->41 43 argona.ro 85.120.58.161, 26, 49699, 49701 DIALTELECOMRO Romania 13->43 45 checkip.dyndns.org 13->45 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        47 158.101.44.242, 49700, 80 ORACLE-BMC-31898US United States 23->47 49 checkip.dyndns.org 23->49 69 Tries to steal Mail credentials (via file / registry access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 31 conhost.exe 25->31         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d/
Threat name:
ByteCode-MSIL.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-04-30 20:02:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5qx4vyqm3l6mibzf2f6lh4wflu4ednn4qiooki3grn7m2nqywoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
66fc3723780e346e20f615a78c74f9252e2b95eda2141d7158666b2b94eae303
AgentTesla
6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6
AgentTesla
b8f2e3ecf35e329a28c78ee2dac2f766e41d1768cd204e7bf4588535b92ad981
AgentTesla
befc3edb5d02c2d1350dfea27e2ae101704b5c18827e9dba61afe446ff371730
AgentTesla
ca5fb8c65adb08fa65191c8c9fd1884cbb730afcff6c9231684bdf6b3a1b6fdd
AgentTesla
dce7af2c2162f2fa2be0ca63706446e0b3c4bebdf1ae8791f22cb76ca7aa375c
AgentTesla
de567e5c1f4968bfb083ffcb111e1d0613780a47c58767af65fbd90c27507b4b
AgentTesla
e710d551910b6751fc61ebe64138b020526a8d6d24ff282c96d7f74249da0a5b
AgentTesla
e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d
AgentTesla
fdafe32c0a60e82305426118d16b5181852cb37f95b9bc1a15f1797357f7548b
AgentTesla
+ 629 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
Link:
https://tria.ge/reports/230502-ldmkkacc5s/
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
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
238c52f28334f536bbc9ad3f66e1b44cfccddbcf4117c99121f399e8ab7b7aea
MD5 hash:
f15df9b3eb13e2d683d81e85991bfae3
SHA1 hash:
e8a1d5b7339c4d02bf2e3dd6680269ce7b5993c4
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
SH256 hash:
14bfdceb647e333ba5fb94d60cbc3a590f88eb9707625c9d4bb77aeeedc3b7c9
MD5 hash:
7fed8a24309c5bc972d1f063e5e01c7e
SHA1 hash:
af89346948d2144a37766a84459f40f67f4bb120
Detections:
snake_keylogger
Create hunting rule
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
Parent samples :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 hash:
af0925e4c632166ff87032bc43ea4f85a3805db3782a49724d125f44c0731114
MD5 hash:
b9897ba5e468e516e162fd3790a9ddbc
SHA1 hash:
db264c796e4a36a45af11e8a7bf71cf0dadce0f0
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
SH256 hash:
9a7d344fd5717264e71be7d5e1c97e2fc21165412e4c0ad6b7bf140515f878b2
MD5 hash:
51e53e73a9e20ebce715adfd2e6803a4
SHA1 hash:
9bfa21ed2287378fd8c5f640effc5afd93acafee
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
SH256 hash:
37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d
MD5 hash:
f84c0765285cfa761e31bfa7f5f2b878
SHA1 hash:
5ef22c3d8dc871cb6a7b1c786db00ab558c64a97
Link:
https://www.unpac.me/results/0fad4887-8ff4-47e8-ad9b-c313e43dfb42/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37617e571066/report/overview.html
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 37617e571066d7e620392e8be59f962ae9c20dade410e7291b345bf669b0c59d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386023/

Comments