MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
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SHA256 hash: 78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44
SHA3-384 hash: 30c638a4a8e359634fca59c0a498bbc510e727840344c0c1a038815957d0771e916b4b176b9027ba2ea0fe93691977f4
SHA1 hash: 42162ee52038c9acf98436e30de69d5f1f661d0b
MD5 hash: 74569507d8b35d6205695afa35524760
humanhash: football-white-wolfram-nineteen
File name:SecuriteInfo.com.Win32.DropperX-gen.15494.12986
Download: download sample
Signature Formbook
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File size:2'271'232 bytes
First seen:2022-11-21 04:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:MyMFQ4l+wfn8Q/V8zirsm19YbryF7yD+QI16AseU4:MxFQvC8bziM+QI16z
TLSH T1DBB58D53CD7B8A62D545DFA950BC6463AD1C88B0F9D2A2378411AC807DA629DFF03C7E
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.15494.12986
Verdict:
Malicious activity
Analysis date:
2022-11-21 04:36:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/a8df3205-f8a8-4d22-8e90-3a4b3e5e9bac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/336540/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.15494.12986.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b0033903ba0eaf36cc5a4/reports/c09aca49-e4d3-4c12-8660-87bcbe1d6638/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78251f9a-f7d9-49e5-942f-ab11f71f041e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1117784
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Encrypted powershell cmdline option found
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750496 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Antivirus detection for dropped file 2->44 46 8 other signatures 2->46 10 SecuriteInfo.com.Win32.DropperX-gen.15494.12986.exe 5 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\...\cloud.exe, PE32 10->32 dropped 34 C:\Users\user\...\cloud.exe:Zone.Identifier, ASCII 10->34 dropped 36 SecuriteInfo.com.W...15494.12986.exe.log, ASCII 10->36 dropped 56 Creates an undocumented autostart registry key 10->56 58 Encrypted powershell cmdline option found 10->58 60 Writes to foreign memory regions 10->60 62 2 other signatures 10->62 14 MSBuild.exe 10->14         started        17 powershell.exe 15 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.bankssy.com 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 25 cmd.exe 19->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 04:36:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pd77sknysexbwtmquo7c4b754da7bdkf6nucxmaj5k6ksciyh5ca._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:fs44 rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-e7874afg6y/
Behaviour
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
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1953549d-b2aa-425d-b2a6-3fdbbb9d0333
Unpacked files
SH256 hash:
86dacf814ca96d5ef463f338ce46749cc31a5213b02940289ddbd00da63c5919
MD5 hash:
13afebe5c0a112e3442a7d7f4eb64220
SHA1 hash:
08d59e7c3f28182f7283884e0ab00e15c2bb6d5c
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e5ea005a-698e-4b06-81fd-b69d94069061/
Parent samples :
83f6d958662190fa986bb003a232fde5df9e1d1ba1b72dbb95822ccb85cec7c0
7f6242e9dcb1ce45c70b22d3c87b36b04fbc0b65d7f7ec07b008693d8763b66b
4f96791030398551e7c0dcf5ea66daf14e4f6c21bf8d4563a92fcc531cc18768
78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44
SH256 hash:
9d7cb99bf019213f2a5654830161c2b8aa2417da04d9ce46fc46205720097981
MD5 hash:
407a6be56ff375ca5d9e6701b4fe23df
SHA1 hash:
1aa9b1e68d1935b324afda15d8c66dcc8f0bebe3
Link:
https://www.unpac.me/results/e5ea005a-698e-4b06-81fd-b69d94069061/
SH256 hash:
78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44
MD5 hash:
74569507d8b35d6205695afa35524760
SHA1 hash:
42162ee52038c9acf98436e30de69d5f1f661d0b
Link:
https://www.unpac.me/results/e5ea005a-698e-4b06-81fd-b69d94069061/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/78fff929b891/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/78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/336540/

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