MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345
SHA3-384 hash: 3088670730841d863851e1f3867427f9363202720a43596bc8c2a08a850966c98717349f6fbe231a1d22403c1889d578
SHA1 hash: d47bc54ed268b81bd4f3e4de4abffb8f05b57e8b
MD5 hash: ac4eaaa67aadecd6f1f8e5ad04df7164
humanhash: north-delta-three-utah
File name:Ordem de Compra 1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:563'200 bytes
First seen:2022-05-25 06:17:54 UTC
Last seen:2022-05-25 06:36:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ImRNzu7+nK/hp9nujzbBp5lylFsht6x0J4I6FRMxrS+b:ImjzcIjxMWX4TO
Threatray 16'015 similar samples on MalwareBazaar
TLSH T1F8C422932AB94B4ED0FC0FF4361D051003B5946B64A6F39ADDA0DDFA267270ACBA1D17
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ordem de Compra 1.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 06:34:13 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e4d4f0fb-4916-4981-966e-251e7c90fe80

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/274359/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628dca2b370bb1455cc4aa05/reports/a3c63071-c2cc-460a-8522-dfb8dd6de109/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87faf197-ddf4-4aeb-bcbe-557eddde0891
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001290
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633786 Sample: Ordem de Compra 1.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 42 www.solana-epic-cats.com 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 12 other signatures 2->50 10 Ordem de Compra 1.exe 7 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\uDEajdnhJJbE.exe, PE32 10->34 dropped 36 C:\Users\...\uDEajdnhJJbE.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp4188.tmp, XML 10->38 dropped 40 C:\Users\user\...\Ordem de Compra 1.exe.log, ASCII 10->40 dropped 58 Writes to foreign memory regions 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 RegSvcs.exe 10->14         started        17 powershell.exe 24 10->17         started        19 schtasks.exe 1 10->19         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 21 explorer.exe 14->21         started        24 explorer.exe 14->24 injected 26 conhost.exe 17->26         started        28 conhost.exe 19->28         started        process9 signatures10 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 30 cmd.exe 1 21->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 23:19:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxcmv7x2sc3a7ctaau55lco6msagds2r5san2flyk5dnmanruncq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
8936c1cd18e085f39f8cb1c4ebacd04573a291e555d420acfb4845320e401aae
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
96de11fc0f948fc3039f297475ba8abfcedaa7a9718634359286fe49156cd216
Formbook
9cc59c41a1a4636cca3666a82734007019864ad4657402a67a7956cf7c0342c5
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 16'005 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o27a rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220525-g2l7gscear/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f2ba6a96d816e53b167e062638404402f88b9aad7aa2a3694df06042df0b40cb
MD5 hash:
b27f0fa045b35b19eac5690d95dc0c8c
SHA1 hash:
026f4052e2f6c47f7e86d158ead777fa8ac514fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/83c99620-a347-42fe-902b-688df035cc42/
Parent samples :
b1f2e4c8fd4e084c37ec9c4b8d150e3f7248e9454198bbdef6f247167b10ca14
20ceb4d62738b1472fd88b7ea5ca3d9b1774cf1fbef328f4b349e749c68fe0b1
3d322fd54223885c018d6326ea9c24abcbe8b9bc899d73a2ea5f812b1e0d48db
e62296300e1145be5fa91fa156b072e001fbd4e17f52bf42b3522648b1379282
035dd068094e680fb06f62eb2b838b182d29df63883906f0031444f1bea56507
f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
f8b26be1aeee8799c9bf765026a5ca6e17b6e25aeff23e7cb6387ed22fbb5fc1
36e16131ddd6cacceae23ff435bbc0d9ad35b16ba8152a7a1a22a9683ab51475
bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345
SH256 hash:
f4b2f3edf369cafb3f69edf0bced793620500384e1342b3e955638244214df2f
MD5 hash:
8c402902ff426a41c265c5c2debd2399
SHA1 hash:
fae0746b1e9f9b05d2f7d967ecbd72af8372004b
Link:
https://www.unpac.me/results/83c99620-a347-42fe-902b-688df035cc42/
SH256 hash:
203ca067df6cd0a05c78ebc506b7044a5d9e372986f49f93f8b7d92619a2331a
MD5 hash:
f4bc17d29442d6060cbdcb61ad21014e
SHA1 hash:
48c909c1e303f271906715862ee4e09e3546e552
Link:
https://www.unpac.me/results/83c99620-a347-42fe-902b-688df035cc42/
SH256 hash:
72c91fdad59e06742ab11408962929f766b4fbe34e6b4e730dfb02707c08a430
MD5 hash:
06b823e64681bae033de886e22f0c8b6
SHA1 hash:
0791fc63e09cf5b5e77ebebf46271b7e66a39c7c
Link:
https://www.unpac.me/results/83c99620-a347-42fe-902b-688df035cc42/
SH256 hash:
bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345
MD5 hash:
ac4eaaa67aadecd6f1f8e5ad04df7164
SHA1 hash:
d47bc54ed268b81bd4f3e4de4abffb8f05b57e8b
Link:
https://www.unpac.me/results/83c99620-a347-42fe-902b-688df035cc42/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bdc4cafefa90/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345

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.

Malspam

Formbook

Executable exe bdc4cafefa90b60f8a60053bd589de648061cb51ec80dd15785746d601b1a345

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/274359/

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