MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7291a9891ab2fca281f4d94cb3221d9796cae49f103a01a20eae392d06db25df. 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

SHA256 hash: 7291a9891ab2fca281f4d94cb3221d9796cae49f103a01a20eae392d06db25df
SHA3-384 hash: 75aba14964bf74319a3d000022a1f7c997e1bc151948be0e2aeb346f9adeb7fe5b1c4f46c69c5cdcecdfd6d1a968e4e3
SHA1 hash: f538b9b7e1d05b6c8f4a952df0cae17f834ba3e9
MD5 hash: efa01b170606f4d3a3ad662313f873cf
humanhash: double-xray-pennsylvania-moon
File name:efa01b170606f4d3a3ad662313f873cf.exe
Download: download sample
Signature Formbook
File size:697'856 bytes
First seen:2022-02-02 09:06:32 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 12288:6ehMB15ZRSVOCPAnyPObm4D9qJKnnSIlLnVO7JxctGG:6eIrZBbmIqYnnSIJnVOVxQGG
Threatray 14'203 similar samples on MalwareBazaar
TLSH T1D1E4BF60B2A68942F40B8F355478B57006B2B4D3A9C7DA376F683645CFDEB882E4534F
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 565413 Sample: VmDM4Vbopr.exe Startdate: 03/02/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 10 VmDM4Vbopr.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\VmDM4Vbopr.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 VmDM4Vbopr.exe 10->14         started        17 VmDM4Vbopr.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.alanareliford.com 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 help.exe 19->23         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 23->44 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-02 09:07:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Gathering data
Unpacked files
SH256 hash:
8069258228dbff7223e6c462b21ca998f5f59e3ab712fecc73db6bcf876fa184
MD5 hash:
c1437705a55e0f6ad07055a9d01e63a8
SHA1 hash:
de50011441c4f53039f9edfb85ff6d8ad549d9ce
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
19ba26181ae826e453c5ee8ece928d2629cc230c22c104f7fd6da902df340110
MD5 hash:
31c98ed9700f1efa621de0d49ef9ce04
SHA1 hash:
e2e191a631fb3b97a5ceadd203db812c19a1ebb3
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
7291a9891ab2fca281f4d94cb3221d9796cae49f103a01a20eae392d06db25df
MD5 hash:
efa01b170606f4d3a3ad662313f873cf
SHA1 hash:
f538b9b7e1d05b6c8f4a952df0cae17f834ba3e9
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 7291a9891ab2fca281f4d94cb3221d9796cae49f103a01a20eae392d06db25df

(this sample)

  
Delivery method
Distributed via web download

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