MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481. 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


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: 894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
SHA3-384 hash: 59f58eeb1c9e9de21c3de71e99fe7daaf4e451123e0243e94cba817ca1ff18b7d0e98448dec6f5846cb32063300221c8
SHA1 hash: 665931b7d70c98e56c40d66c0957df1f5693bb6b
MD5 hash: e8c6f101eb69a57eb96189fe002c6e4b
humanhash: violet-tango-happy-tennis
File name:894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
Download: download sample
Signature Formbook
Create hunting rule
File size:649'216 bytes
First seen:2024-05-08 13:03:30 UTC
Last seen:2024-05-08 13:20:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7xDOvNuulRo4BIJKGm7RAWsr/+GIj9bpq8x+XDfGQ4BKZ3/g7CleB778Q:9avIsaNJlm7RvsrG/xpqdIY1YkeB
Threatray 898 similar samples on MalwareBazaar
TLSH T17FD4235636EDAB32FF3B0BF12D10154167FA9A2B4DF1D9CE5C0825C8ED32B485A01B4A
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) (4504/4/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
340
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 13:04:47 UTC
Tags:
agenttesla stealer evasion ftp exfiltration
Link:
https://app.any.run/tasks/25375f2c-b6ed-4469-8f62-c7961a4eb43b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.9.29325.24418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74fe7b1b-6854-4da8-9a43-cbb3bf5b4183
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438281
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-05-04 01:05:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfgzm5vwiptnrullbv34soqb5pp6hcwgc2jd3ebzqklyzpcfasaq._file
Verdict:
malicious
Similar samples:
0a99db14d49955334e10fe81245fd1f155f4308b6392c17282dbdf7ac2255e12
Formbook
3029eb76575a110e9bfeadcee488cb4db00d25da6d8529e48d49f2fee0770f80
Formbook
fb422ed39cbabcab2449fde2224bfa281f4248e08014b4e3a60003842409d7a6
Formbook
+ 888 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240508-qaxnksgc77/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Reads WinSCP keys stored on the system
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:
b76fa3c4b6075489aea56c7ba83d8c84b2d98123066b8dd8b5f442f87ae30fe1
MD5 hash:
2f1b1be0ec325ffc9f7142a46aa49853
SHA1 hash:
ad3dbbd74bc9aa4adc1e330e275f0f476eadbf87
Link:
https://www.unpac.me/results/a5e9d26d-5642-4800-b26b-d6eafe265bc3/
SH256 hash:
624654933422ebe8a9e333ad8b1195c214969779888d629aae9a9e48d42f3436
MD5 hash:
55702ec13bc3aa0592eedbe0c7aa2f8e
SHA1 hash:
a681dfca979d9e9b539fdd0bee8a69546bf0b03f
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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MALWARE_Win_AgentTeslaV2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/a5e9d26d-5642-4800-b26b-d6eafe265bc3/
Parent samples :
a24660abc3c893c327dfc17d5938d7078c2e0852d767d5f57f7bb143f56b2cc2
31c2094811f57fa89d734773efebb7edd3287ca9b3b89df8969ad71941006494
0a99db14d49955334e10fe81245fd1f155f4308b6392c17282dbdf7ac2255e12
7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8
d6e7c231b0aeee159700e68b79eb19d932e851a64a4a82ad1a1c72efc2faa72b
f1eab19801011161336857ec73752f3c5f9f63654cb89149854205c4357635b5
894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
d465b497cc4e770a9deb09b102aa234991e38358f801f79dd2bb922a4c318497
63b303a4e01924ae9ca9fcfc7f75cf87144598342415df3cdd802440d770add1
5386b2eb77cc7380bec83dddc6594d4174a2ad01af73c29e813aa6a432779507
38100e0eb4432850500bed29244869b5e9b8d328e907352605b35f923ac903a9
06f6eccac99f9be344bfba51fbccb827405551767d00224ef06c2e2f525f95af
bc3bb7cdc4c87d2888c0c64f15f9953a79da7baa2d31874dd168db28f2b79256
809767aab51beef5e228607daf87e53a03d96b5ca11d31d1ea21f78fbe07b8df
7be312de7e9ded87516f8bd6fbc605def8f145f959a628bdbc100eb6dd449f00
ed1f8cb20d6acb1a1ff4da5c132ec4592fa7f0b6e7e162092ac7044f360dd15d
4047e764771fd462a5f5a98dcee4628968b550a8da08e82a8ba238fd8b09efb3
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/a5e9d26d-5642-4800-b26b-d6eafe265bc3/
SH256 hash:
aed4a976a528f9472b707daae3bc4e722978bce7f0ac54b72cf1cfcd5981a5d8
MD5 hash:
9e4aea62ee76efb9013e6440afd8ffe6
SHA1 hash:
8d597f109698e7c74da0f20815fc4da575ce29c4
Link:
https://www.unpac.me/results/a5e9d26d-5642-4800-b26b-d6eafe265bc3/
SH256 hash:
894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481
MD5 hash:
e8c6f101eb69a57eb96189fe002c6e4b
SHA1 hash:
665931b7d70c98e56c40d66c0957df1f5693bb6b
Link:
https://www.unpac.me/results/a5e9d26d-5642-4800-b26b-d6eafe265bc3/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/894d9676b643/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/894d9676b643e6d8d16b0d77c93a01ebdfe38ac616923d903982978cbc450481

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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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

File information

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

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

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