MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b
SHA3-384 hash: 63418fc79f32cb206c2ded3c461f6e606e99b31cd15b9580ed2ec2db1e11a8138a1b83cecb0181f95316f7d6e3c6ae50
SHA1 hash: 12317fddd8b32f7cc235a5d63578a7d4d98d1131
MD5 hash: b93a2f5eb85ed74a4a3483fe63f2efe2
humanhash: fish-uranus-summer-michigan
File name:Orden de compra.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:829'440 bytes
First seen:2021-09-23 14:36:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 206016043cadf3442135e07afc507bba (3 x RemcosRAT, 2 x Formbook, 1 x AveMariaRAT)
ssdeep 12288:b71aIFXG0LBXveSLxZrJuGmxXQUTcQvPPRK2mQgMM4/YGu1q:bs6RL9veYLrJlIrTtnA9HGE
Threatray 9'567 similar samples on MalwareBazaar
TLSH T1AA057B55D3D44A79F2B30939CDDAE364E8063E903F61EC8541B53E13B6686C03C9A6EB
File icon (PE):PE icon
dhash icon c4dcf8c6d6d0c8d4 (21 x RemcosRAT, 3 x Formbook, 1 x AveMariaRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 14:37:53 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a5457cb9-4625-4dc4-bddd-8726efa8b491

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/190815/
Detection(s):
SecuriteInfo.com.ArtemisDA8413DE8D3E.14356.18545.UNOFFICIAL
Create hunting rule

Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80297179-2b66-41ec-93e5-60c842d9ea88
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856614
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489049 Sample: Orden de compra.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 29 www.kensyu-kan.com 2->29 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 4 other signatures 2->45 11 Orden de compra.exe 16 2->11         started        signatures3 process4 dnsIp5 37 cdn.discordapp.com 162.159.130.233, 443, 49733, 49734 CLOUDFLARENETUS United States 11->37 55 Writes to foreign memory regions 11->55 57 Creates a thread in another existing process (thread injection) 11->57 59 Injects a PE file into a foreign processes 11->59 15 secinit.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 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 31 keeponsports.com 148.72.144.175, 49783, 80 AS-30083-GO-DADDY-COM-LLCUS United States 18->31 33 www.trueblue2u.com 18->33 35 2 other IPs or domains 18->35 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msdt.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:
n/a
Link:
https://mwdb.cert.pl/sample/8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-09-23 05:43:24 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpbsrbpvglrimbz27j3yc4z5s4zy6o5lpmrpkvuawoh6detnca5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3da43dfd3613eeaf2ed56f10624f2dabdb80948c842c98fd0e26688fe55728a7
Formbook
4768bc4db58542167ce61a3e0a78bfaa79a3b7dee0b54a587886545ed83a13f7
Formbook
4d80ab79360b092bb5d8fa41d14388dffe5ef42839b6dbbf741f0ce5c3424d1e
Formbook
5145f1759e79b4d29641c6c604173b0bae2a3d7b156b49e8c267da63e0cd94d6
Formbook
6b93224c145b221ac786bf10b1471af61722e45bbd41a029789170ea7f1c0751
Formbook
7d0cc599bf46f1b454dc8a9c5abe86f6ba3c97032f153864513b98ccde3bc0cb
Formbook
87946dcd976eb13af37e24ff68e36a03d2f46a9ae474f336207cf03cbbb0b508
Formbook
c839e1036e4c8c7568d66cfb7c269ab8ed8048f9fc5a89464d82572a6efc1c28
Formbook
caae480439293c7be6bb9ca27621f5b99c7391d6b7fddc179d5f5627c6144d08
Formbook
dfca1bf3a2bc630e60ee036b0fd5be55b2f2b44e7dc8d2005b86d763bfc7c8ac
Formbook
+ 9'557 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:3nop rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210923-ry6rtseefm/
Behaviour
Modifies registry class
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.jakesplacebarbers.com/3nop/
Unpacked files
SH256 hash:
18498f5add7c31c1af213a720891708124ce271e4a1f4eef7427ff9ceff44767
MD5 hash:
af315fe318bcbca468841006ccc57e0a
SHA1 hash:
9b18984c1d4fcafc7bde26250a937aff6c41a375
Link:
https://www.unpac.me/results/4abdd440-0953-409a-a0a5-3ea9999e632f/
SH256 hash:
8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b
MD5 hash:
b93a2f5eb85ed74a4a3483fe63f2efe2
SHA1 hash:
12317fddd8b32f7cc235a5d63578a7d4d98d1131
Link:
https://www.unpac.me/results/4abdd440-0953-409a-a0a5-3ea9999e632f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8bc32885f532/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190815/

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