MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7549b54cf11b85fd90163933c0ba384119890a3955ee26ea5fb7f5bf7267fdcd. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 7549b54cf11b85fd90163933c0ba384119890a3955ee26ea5fb7f5bf7267fdcd
SHA3-384 hash: e247c66488f6f3dea383f2a709dc88244cfdc9b8771fa17da5bad274da40ded3b7c68e372edfad594881e191beb1bfc1
SHA1 hash: 0c702658063b03a7d01dffac5d52e49637d25db0
MD5 hash: 79e9c3289512dcf95191dc0baab60773
humanhash: grey-mobile-steak-may
File name:79e9c3289512dcf95191dc0baab60773.exe
Download: download sample
Signature Formbook
File size:10'240 bytes
First seen:2022-05-09 14:37:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 192:hKYqeTXzDp4C0QWhzmACcVaJCUVVY1LbkV:hseTXXpj0QWRPEwlk
Threatray 240 similar samples on MalwareBazaar
TLSH T12822A715F65A8237D5650A318C6352E0567B7E1368339B5FBADC260E2FA73084D92FB0
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)
File icon (PE):PE icon
dhash icon 2c5c30ececcdccc0 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
79e9c3289512dcf95191dc0baab60773.exe
Verdict:
Malicious activity
Analysis date:
2022-05-09 14:41:54 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
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:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found 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 dropped file
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 622790 Sample: TLDt9xBBBW.exe Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 10 TLDt9xBBBW.exe 15 7 2->10         started        process3 dnsIp4 39 offtec.cf 192.185.174.180, 49743, 80 UNIFIEDLAYER-AS-1US United States 10->39 33 C:\Users\user\AppData\Roaming\...\Hpctkir.exe, PE32 10->33 dropped 35 C:\Users\user\...\Hpctkir.exe:Zone.Identifier, ASCII 10->35 dropped 37 C:\Users\user\AppData\...\TLDt9xBBBW.exe.log, ASCII 10->37 dropped 55 Creates an undocumented autostart registry key 10->55 57 Writes to foreign memory regions 10->57 59 Injects a PE file into a foreign processes 10->59 15 MSBuild.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        process9 process10 26 systray.exe 20->26         started        signatures11 49 Modifies the context of a thread in another process (thread injection) 26->49 51 Maps a DLL or memory area into another process 26->51 53 Tries to detect virtualization through RDTSC time measurements 26->53 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-09 05:06:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7549b54cf11b85fd90163933c0ba384119890a3955ee26ea5fb7f5bf7267fdcd
MD5 hash:
79e9c3289512dcf95191dc0baab60773
SHA1 hash:
0c702658063b03a7d01dffac5d52e49637d25db0
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: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 7549b54cf11b85fd90163933c0ba384119890a3955ee26ea5fb7f5bf7267fdcd

(this sample)

  
Delivery method
Distributed via web download

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