MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de
SHA3-384 hash: 92db187b190339ee345009dd77288516ffa6bfc606c2ae5ddf161bacad31ff929ca02fd62fb9452d08345c2546df45af
SHA1 hash: 96d986f3ee7b4e8df59868337621d282ece89474
MD5 hash: 6cec68a114c5819a40c4b2d5fcf842da
humanhash: iowa-lake-pennsylvania-speaker
File name:764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de
Download: download sample
Signature Formbook
Create hunting rule
File size:885'760 bytes
First seen:2022-09-29 15:20:48 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:+UxjsqTpr6h76xNUNpkUmVhzKMJBjUwkBrjXr5dsAjPJc:1pTlr6d6QTkpVJ9TYwoTs
Threatray 16'868 similar samples on MalwareBazaar
TLSH T1A615190721D409A5C07651BC24CCC5B39BAADE85E63BC945BFC99CAFF192F2846D23B1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314866/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6335b7df49c58ce767c41a67/reports/0b785081-86c4-4cc9-b89b-df9e7de15212/overview
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/c5104f79-2c77-46c2-88fd-0c408795d04c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080222
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 712779 Sample: SDfRr5oudF.exe Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 39 www.teamkrohdental.com 2->39 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 9 other signatures 2->51 9 SDfRr5oudF.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\plcEFkzTfF.exe, PE32 9->31 dropped 33 C:\Users\...\plcEFkzTfF.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpAB04.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\SDfRr5oudF.exe.log, ASCII 9->37 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 57 Adds a directory exclusion to Windows Defender 9->57 59 Injects a PE file into a foreign processes 9->59 13 SDfRr5oudF.exe 9->13         started        16 powershell.exe 19 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 13->69 71 Maps a DLL or memory area into another process 13->71 73 Sample uses process hollowing technique 13->73 75 Queues an APC in another process (thread injection) 13->75 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 41 atm.promo 51.161.122.78, 49703, 80 OVHFR Canada 20->41 43 www.atm.promo 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 28 msdt.exe 12 20->28         started        signatures11 process12 signatures13 61 Tries to steal Mail credentials (via file / registry access) 28->61 63 Tries to harvest and steal browser information (history, passwords, etc) 28->63 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 07:50:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ozfd2oqeist3v64bni4wess6flufybdf6xityy65n7naji2ws3pa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
401893d409c8453d7b0a4b7cd4ed000e61b32aa48a9e25a14f1d854fe0d86b7e
Formbook
4bbb39fcbea555b2ff359c3422f1058dcebd8e4cf0ae68d3b05f2198d57db9a8
Formbook
764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de
Formbook
78d04244289fe215008b2c7d8937813b740228e5b60092287346e66e29c8182d
Formbook
7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
Formbook
96cf18e2a423b74f89f810553f9b4ba3859bd2f71172facfc8911c6cf6221881
Formbook
b1248c9a9d2892a23cd6927ccfad438e360f5977e47c38d424522e7d67d10816
Formbook
f85bf1ff072c013d0f427e613aed83108fb8efa061897eda3a84c5c15b1722e9
Formbook
+ 16'858 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:tbgn rat spyware stealer trojan
Link:
https://tria.ge/reports/220929-srbhsabcc7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/24165254-9190-4d3f-a792-ca59643c411a
Unpacked files
SH256 hash:
12172b596c2a8c317b9bbedd356fa99c7c7c34f7ab17f39dcef5ba1331b15824
MD5 hash:
24240f5d6fad1252c777974b975e163e
SHA1 hash:
8b5c5ead03b45da7f58cbe72b1fc3822e679b575
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
Parent samples :
b6ce7090b0f8781ce164d6c29d43211ed3eaa9047c20e54d7f09bdb94b13c533
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81
5b0bae068b7cfad0ecf1ff6dace393fffb20143b981c68effec661c0117cba5f
764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de
SH256 hash:
7bda8f63216b5ffbe397a65aef4312ab54123d8c1444ac88607d81dbbc3ae14d
MD5 hash:
9233072438fcd6e91981d271dbafeb16
SHA1 hash:
e86bfad291968f50f861787d7fde860646578e3c
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
SH256 hash:
9b90a1da61fa2c27c48ea683d42728e54a02bff291ba6fb399eca100b646682e
MD5 hash:
27b0eeb42c393afbc84f2c93b172dcde
SHA1 hash:
52ab936c802f179042d22527778bc4823e60939d
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
SH256 hash:
963bf69c7e53085e2ab55fcf788d65606ca3eab6ac24b040ca579b3290f37de8
MD5 hash:
4a974334b229a9927ced50ee4065ee91
SHA1 hash:
0ce3714f18231e36076e16940be38f458a33faa0
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
SH256 hash:
764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de
MD5 hash:
6cec68a114c5819a40c4b2d5fcf842da
SHA1 hash:
96d986f3ee7b4e8df59868337621d282ece89474
Link:
https://www.unpac.me/results/764f6fe2-4d4f-439f-8118-1c38ba4499c6/
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/764a3d3a0444a7bafb816a39624a5e2ae85c0465f5d13c63dd6fda04a35696de

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/314866/

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