MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406. 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
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SHA256 hash: 346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406
SHA3-384 hash: dc130f91e55e755f30a3792638345c13084ddfad0bf8ec12cd808aff484b9f9b9b239a9fb5561c6af7ffa8b7065556c3
SHA1 hash: 4f5d13586f76148d69b19df943092c9aef527e7c
MD5 hash: e56b156f346bc2aef9d6b5ee8ffc56d4
humanhash: eight-echo-artist-nebraska
File name:purchase order.pdf.exe
Download: download sample
Signature Formbook
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File size:781'312 bytes
First seen:2022-07-18 21:40:05 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:xOOJuWNzB0WaNCWb2gb3IU3MP43yKotuDEW6HSdLpi+PpFjXee0T8vXiTgrklcaf:UOsWNl0ZsO9RCfuD9lHxxXeJTQMMaQS
TLSH T180F4121536A14B0ADE7A47FD9434444057B1B6563272E3AE8DD1B0DF2AA2B84CF84F2F
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291719/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44341.23885.4347.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62d5d3f07b83f958a9673e21/reports/dd218822-9071-4b36-92f7-d5e83aed9a59/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e25a166a-38d3-4843-a913-dc9bf345fcd6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036165
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668659 Sample: purchase order.pdf.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 29 www.protable-powerstation.com 2->29 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 12 other signatures 2->47 10 purchase order.pdf.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\purchase order.pdf.exe.log, ASCII 10->27 dropped 49 Injects a PE file into a foreign processes 10->49 14 purchase order.pdf.exe 10->14         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 14->51 53 Maps a DLL or memory area into another process 14->53 55 Sample uses process hollowing technique 14->55 57 Queues an APC in another process (thread injection) 14->57 17 msiexec.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 23 cmd.exe 1 17->23         started        31 www.spazukbernardi.com 20->31 33 spazukbernardi.com 34.102.136.180, 49830, 80 GOOGLEUS United States 20->33 39 System process connects to network (likely due to code injection or exploit) 20->39 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-18 15:23:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=grxmv35oawyf7nlxtyitdmsgwfeba6bbojnckbraag6aiwofsqda._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:auh4 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-1jq79shhe5/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
af40976e5ce3776a6eef45473ac5793d717d18ab0f0176572534b2873d43318a
MD5 hash:
667cc5c5511fe871e3b0872add9f989b
SHA1 hash:
1c9d8823e3fee6b3c34a65893af50cbb44f8b244
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
Parent samples :
240a0d83266f5f28e7068ddcccdbb6e1a495b0543cebf903bb5c0ac4958639aa
9398819a8c024f06a4ff7c0ee671f4461dc701ec8bb7693b618c751449bd8439
def10ac7fe6828b49592e25748378c1b695e31b37c6beb66f52523ae3523d94a
ea29385606912e0d16cafcb9d40923e6ff36e47c265946fe39becbd5a9d29fb5
346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406
SH256 hash:
ccde750ad61434c4ff21cb2256bf4d1c93dcb4c276506ef467a0de844f8ece80
MD5 hash:
33d88adb45e9f0dd47f55790fff5f94f
SHA1 hash:
78fa007ff76553c63b7e0ed88bd67b35e5cb90b2
Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
SH256 hash:
ce0b566bc345b45520acb34870c701bfc4024d781c6cd4de9c8b1d6540e878ad
MD5 hash:
153c950e2d8c8b44004ac735b94d4b8d
SHA1 hash:
4ce0ed9caa4b984a409d427b77b7b0cf14241ed2
Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
SH256 hash:
edee5a20991da1ba11100fda4c69eced4fdd311d7a6475f8debcae1f57ee417a
MD5 hash:
86cbcc5e0b28a2b3316f6184223f7bcf
SHA1 hash:
186291c922ceb8c986df4b26a8732be15b674a34
Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
SH256 hash:
d96fa42a93a722eeecbceca3daf6439188c876a9d00113bd68c5b6862a2d1dbe
MD5 hash:
2df1dc4ce925a22dfb17fb335612e68c
SHA1 hash:
086577a36ab4ea9969ad449cb55533d2ae20820e
Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
SH256 hash:
346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406
MD5 hash:
e56b156f346bc2aef9d6b5ee8ffc56d4
SHA1 hash:
4f5d13586f76148d69b19df943092c9aef527e7c
Link:
https://www.unpac.me/results/b5abdad1-e78c-49e5-8f90-4a5e27163fee/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 346ecaefae05b05fb5779e1131b246b148107821725a25062001bc0459c59406

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291719/

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