MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7627adc0797d3315c2c942356c8cb1fca39afbd0335512236be79a6e2f7acb3. 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 3 File information Comments

SHA256 hash: c7627adc0797d3315c2c942356c8cb1fca39afbd0335512236be79a6e2f7acb3
SHA3-384 hash: 6503c4718e2f793d4c788916e1bd50b8f416c5500c37b27743e3c3b32bdd0d70089d2cc3159ce72be785b563f54a577e
SHA1 hash: 70294e9e09c8d9d895599b73d1091c4013aee691
MD5 hash: 02df8c86345d056735fa60116b93ed2b
humanhash: kilo-mississippi-one-high
File name:file
Download: download sample
Signature Formbook
File size:615'936 bytes
First seen:2023-01-30 13:17:23 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:OCF4GQWsWKKlWr2LD1WpN8Vm62Mum/sxMjp2ilM:Oi4GQWs0LpW0m62IsaJW
TLSH T17AD41202A6235703D425557180FB452113F6FFCBB633C35AEF89F3A4AA113ABAE55782
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
mt103.js
Verdict:
Malicious activity
Analysis date:
2023-01-30 12:34:49 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Reading critical registry keys
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794399 Sample: file.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 5 other signatures 2->38 8 file.exe 1 2->8         started        process3 file4 24 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->24 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 12 CasPol.exe 8->12         started        15 CasPol.exe 8->15         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 17 explorer.exe 6 6 12->17 injected process8 dnsIp9 26 www.teammart.online 184.94.215.91, 49727, 49728, 49729 VXCHNGE-NC01US United States 17->26 28 frogair.online 81.169.145.72, 49737, 49738, 49739 STRATOSTRATOAGDE Germany 17->28 30 13 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-30 07:59:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
ac005573529fb26d1c81483a7cdb526f6bada0f0526b1f8b0dfb8ddb41558d95
MD5 hash:
37335147ef569dba47d7a7df7f157840
SHA1 hash:
aa48eb061048a7dafc76b482ed7f497332992c7e
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
795250700a36d95e171fce6c897691673e5b5bd487b4bb451861ce4f41bc86e4
MD5 hash:
5984fdcdf823f5e761ed4f1b45f6a27b
SHA1 hash:
cb1399d750db80965f0261bfc6c2498a977d3cc9
SH256 hash:
c7627adc0797d3315c2c942356c8cb1fca39afbd0335512236be79a6e2f7acb3
MD5 hash:
02df8c86345d056735fa60116b93ed2b
SHA1 hash:
70294e9e09c8d9d895599b73d1091c4013aee691
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe c7627adc0797d3315c2c942356c8cb1fca39afbd0335512236be79a6e2f7acb3

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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