MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a86b45ce304bc537005a6dc78cfa0f694ae2cdf6c35ad3dc2f88fc50aaa2e388. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: a86b45ce304bc537005a6dc78cfa0f694ae2cdf6c35ad3dc2f88fc50aaa2e388
SHA3-384 hash: 66114e3331dcbe52a168fb27f3004d693721d757788e1847b86f676d5064b5bb32991fe6f74655da9a84f7b8c1c274d4
SHA1 hash: 1f3c7164ce1cd367d8bf72ba263ee5476b96863d
MD5 hash: d2dd030d3c6f62dc9433feab38aea0a7
humanhash: september-timing-angel-item
File name:RFQ#29081.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:924'672 bytes
First seen:2021-05-14 07:17:13 UTC
Last seen:2021-05-14 12:22:33 UTC
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:URsoLLoS60/K7yh0AHBXY5vSlvIr+M42uqs9fHL0lM4u4zveh/mMvIdT4i69oX+/:ToLAAS5ql9M4viM4heNhgd8i6xUU
Threatray 5'147 similar samples on MalwareBazaar
TLSH 2C159DFC761464F1D34B1C23A3CF5C0682651270A93BAA1F8B60177E5AA7E173E3998D
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#29081.exe
Verdict:
Malicious activity
Analysis date:
2021-05-14 07:18:26 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fafc3dfd-309b-4b8f-a2c8-6386df4da40a

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/156464/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/781649
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 414043 Sample: RFQ#29081.exe Startdate: 14/05/2021 Architecture: WINDOWS Score: 100 31 clientconfig.passport.net 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 RFQ#29081.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\RFQ#29081.exe.log, ASCII 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 RFQ#29081.exe 11->15         started        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 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 generacioneschurch.com 104.37.183.1, 49728, 80 NUCDNUS United States 18->33 35 www.open24-banking.com 18->35 37 www.generacioneschurch.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a86b45ce304bc537005a6dc78cfa0f694ae2cdf6c35ad3dc2f88fc50aaa2e388/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-14 06:32:28 UTC
AV detection:
16 of 47 (34.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbvultrqjpctoac2nxdyz6qpnffoftpwynnnhxbprd6fbkvc4oea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0fce851d001cb1a92a7939eb6a9fac428f5fd9750caa9a1981e27fd659c32c03
Formbook
35880c5210af5dca3edc22a693ab5f0cfcec0105cec988d930ab29fe09bd3461
Formbook
4219d83b725625bc780dbf37cb794fb68b289697d37372ba44a496af27bc7827
Formbook
8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279
Formbook
8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
bdd78b39557fa2b1ae72243d8d9209fa31e234b061133e4e5e9743659fadc0df
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
cfee90218720f31491495dd353027017808fb3b9524d6c86ddfd016a372f627c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
+ 5'137 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210514-swrzpzgdpn/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.haulatob.com/frf/
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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/156464/

Comments