MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee. 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
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SHA256 hash: bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee
SHA3-384 hash: d44b46103e942d7624a7d04a5c33ff77fcbc271108f18649d0486d02230886b7cd2c5297297e2b7e66868fb340479294
SHA1 hash: 1a9c8c3399b4589a6214b2388698573dd0df2312
MD5 hash: 3384eb6578fff4306e70f2d50f61b9cb
humanhash: apart-ack-zebra-florida
File name:NUEVA ORDEN DE COMPRA.exe
Download: download sample
Signature Formbook
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File size:626'176 bytes
First seen:2022-08-29 09:31:48 UTC
Last seen:2022-09-06 11:59:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:aHsEU2IHeYCEcGIaXZVGeVwj9Yu26HrUOjlylSx1GKqw7O4IOi2:aM1fBSCQHrUwg
TLSH T1BCD4AE0C79E877FEC863DD3199A45DA496A364B71B4F930E4D8306B8DEDD583AE08063
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 ccb2a698d4d4d8e4 (4 x AgentTesla, 3 x Formbook, 1 x SnakeKeylogger)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
NUEVA ORDEN DE COMPRA.exe
Verdict:
Malicious activity
Analysis date:
2022-08-29 09:37:54 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/547a4228-0893-430e-9f1d-5dc5e797efc2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/302155/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.14263.14044.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/630c87b854eb989818e80f02/reports/b8a4250d-24ab-44da-bf6c-54768786bdb3/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e7cdba57-f0ba-466b-ad7a-58772e27cef0
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059703
Signature
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692221 Sample: NUEVA ORDEN DE COMPRA.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 39 www.scryptoads.com 2->39 41 parkingpage.namecheap.com 2->41 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 11 NUEVA ORDEN DE COMPRA.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\cLKBXiVXONIoJX.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmpFA33.tmp, XML 11->35 dropped 37 C:\Users\...37UEVA ORDEN DE COMPRA.exe.log, ASCII 11->37 dropped 63 Writes to foreign memory regions 11->63 65 Injects a PE file into a foreign processes 11->65 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 shops.myshopify.com 23.227.38.74, 49823, 80 CLOUDFLARENETUS Canada 20->43 45 www.devicesfinest.com 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 chkdsk.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-08-29 09:31:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6whn3jy2g25e432o3hhywprmuiebui4d3ddhcbwjzgng7ge7pxa._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:d1s6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220829-lhmfcsgda2/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
f07515f681b7b0e082d891c18c95462991eabbd75ecde54c212dd35d190d7a84
MD5 hash:
4fae6cb9dfa41f07494f3c7b1d3aa430
SHA1 hash:
9c5216c7050196aec5c2eac23375a5aab6b428a7
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/722d498a-98a5-4505-a074-5313d796fcb9/
Parent samples :
72725c71078cc53ee2aff6812a6fe2a64cfa898bf28f6a818d2a2f0ad84bd46b
4cb742927b299c24ca04c80d3ea10a5e3b4a5aa6508aba92c0e9e5fce2eebab1
637f702a6f06a32c6b1794df68ccf1e7f29a2aa38b468b296816ba9010606a1a
61e02739fb76c2e56860acdbeda1ed43769648fc4e7908c31b7194ff94a3981d
9238603739f090fa4b311ab4c76739c1b54d21e410139c6be208025b4dd7a33f
61c8ca02306264110104d4803a15eacc1949f65dd2b1723f159ed3f93553a384
663a1d5b9cec98717c0c4007942db9627fd88ec897d21f80e6fa0ddce642e22e
bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee
7f247f33a3cfc5c0282c5a8730ff0ec2a37b20983832fe1de65d86eb1114e38d
SH256 hash:
8e314e4cf0519295b56cec27dc1c0ceb02b1b3c203956a74c2dd6f9532133321
MD5 hash:
d3732175daaeff608d39225faba132ec
SHA1 hash:
80b93e316ac9d14bef2d60e881a161af496e543f
Link:
https://www.unpac.me/results/722d498a-98a5-4505-a074-5313d796fcb9/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/722d498a-98a5-4505-a074-5313d796fcb9/
SH256 hash:
bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee
MD5 hash:
3384eb6578fff4306e70f2d50f61b9cb
SHA1 hash:
1a9c8c3399b4589a6214b2388698573dd0df2312
Link:
https://www.unpac.me/results/722d498a-98a5-4505-a074-5313d796fcb9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee

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 bfac76ed38d1b5d2737a76ce7c59f1651040d11c1ec63388364e4cd37cc4fbee

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/302155/

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