MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978
SHA3-384 hash: 8dc41a97664990df704f09f4f9e9c655bb12f8c56ded9bbe19d7c76b978d266fdbff565bb27d0b50334528e630decaab
SHA1 hash: 9b528f3d0aaca009ae86fe93972a5c16f5063554
MD5 hash: 6e9f2e67827879ab7d7d89c5d5d60dfb
humanhash: pasta-india-uncle-nitrogen
File name:go8wVrhLXktQOFy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:770'048 bytes
First seen:2022-08-08 08:07:09 UTC
Last seen:2022-08-15 06:55:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xP/WQCM00amEtFPCqGewe8+plSAxTtE7pTasB8dRnFmJfVukyo+kg6SKlpx:ITiamEPGeweOyTtsBwM+mLlpx
TLSH T185F4129532EB5B13E9794FF1B02482544F70613FA4ABD24E9D862CFB59B0B138B41B47
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
go8wVrhLXktQOFy.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 08:19:32 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f3d7127e-ed44-4b7b-bea3-dbc5b1837370

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/297082/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.39532.29232.21608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f0c4e46fb6aea51f1a4300/reports/9ea1ef26-ad96-4b4d-b4f1-d49344505700/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f634c58e-71f8-40b4-be84-fe85590c8542
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047783
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 680273 Sample: go8wVrhLXktQOFy.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 39 www.best-of-classics.com 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 8 other signatures 2->47 9 go8wVrhLXktQOFy.exe 7 2->9         started        13 explorer.exe 59 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\...behaviorgraphZSGTuFohiQf.exe, PE32 9->31 dropped 33 C:\Users\...behaviorgraphZSGTuFohiQf.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmp6B1B.tmp, XML 9->35 dropped 37 C:\Users\user\...\go8wVrhLXktQOFy.exe.log, ASCII 9->37 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 9->49 51 Adds a directory exclusion to Windows Defender 9->51 15 MSBuild.exe 9->15         started        18 powershell.exe 25 9->18         started        20 schtasks.exe 1 9->20         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 WWAHost.exe 22->28         started        signatures11 53 Modifies the context of a thread in another process (thread injection) 28->53 55 Maps a DLL or memory area into another process 28->55
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
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Status:
Malicious
First seen:
2022-08-05 08:59:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5wxbor7sdeeukog46wyfi6wgemwdycbjrsfstokfmcruqpdxf4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220808-j1j2vahhh7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Unpacked files
SH256 hash:
7a0065e4e7823fc5da3fb20dffaf908fddbdb109e6a8be4af2104f81bd4228d1
MD5 hash:
09ddf64de6c316f035e4e09c53e18cb2
SHA1 hash:
44bc25f2599c6000a30ec14bf3cb48e400f1440f
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
Parent samples :
9f97a0e977873d696ca0b91c485ce42cade63009100472b85c8e6d867ab3b0f3
5e1323efc03468c2f9b560769b21821469dad23ace2fdda204241a5b6b442d27
276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
SH256 hash:
c27e6960736943a3882e814bb24597d63f9fad5f5bd0b56bc46eebc8e585c141
MD5 hash:
0200b0e3167520ffecaa2f108c86aa7d
SHA1 hash:
ba39bd041493ec26e2e26f76e74ddf80d7ed3572
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
SH256 hash:
76e3b796c7c10afdbe7540d594a5b9987a72f335a31c228af23dca6d5ce78420
MD5 hash:
cd96bd73efe8805145bad46e35de7fdf
SHA1 hash:
2b817c27b24aa69046dd16ad7362d561b267aa94
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
SH256 hash:
276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978
MD5 hash:
6e9f2e67827879ab7d7d89c5d5d60dfb
SHA1 hash:
9b528f3d0aaca009ae86fe93972a5c16f5063554
Link:
https://www.unpac.me/results/cc01387c-d108-4c58-a299-6d19d75ab2eb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/276d70ba3f90/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/276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978

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
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Rule name:Skystars_Malware_Imphash
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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

Formbook

Executable exe 276d70ba3f90c84a29c6e7ad82a3d6311961e0414c64594dca2b051a41e3b978

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297082/

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