MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: 1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5
SHA3-384 hash: 923417a6effddba37e1ff8960dfecc004a6b4038bce88371f34d9ef33f49dbbe76cb5bd54d1d854fb19f5a160fc21e2c
SHA1 hash: 1d4e20830f0059222251681524b8d04e2ef06b6c
MD5 hash: dfdeda2af8f802749ea92a46f1a15eb0
humanhash: violet-lithium-oscar-happy
File name:dfdeda2af8f802749ea92a46f1a15eb0.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:424'531 bytes
First seen:2022-12-06 07:06:12 UTC
Last seen:2022-12-06 08:35:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:PBnxm/hZudIIuLpVS0GKkGhxi4Y9p8Q2GNpoWkzxVeQMXdipolitSnIFkAFWQ:LzdIZpQ0lk2x0KVzL8diClQq4kc
TLSH T17F9416035C84D6FBC5E9DD7B6AD3A1E3B4AFDE644C3120FEAA85768910B0C6B53B4424
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0070f0d8d833f020 (2 x AveMariaRAT, 2 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
dfdeda2af8f802749ea92a46f1a15eb0.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 07:26:47 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/6856f9af-a643-41a1-a21b-0a0201352f1c

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/343261/
Detection(s):
SecuriteInfo.com.FileRepMalware.11130.8431.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/638eea1704e0e79bdf411309/reports/2db7ff1c-13d1-44c5-9376-1e6e456e28c0/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/64e967d3-f23b-469e-b439-bf43a925c957
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129347
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762173 Sample: iIBBPuGch3.exe Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 11 iIBBPuGch3.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\acctrzf.exe, PE32 11->31 dropped 14 acctrzf.exe 11->14         started        process5 signatures6 63 Antivirus detection for dropped file 14->63 65 Multi AV Scanner detection for dropped file 14->65 67 Machine Learning detection for dropped file 14->67 69 2 other signatures 14->69 17 acctrzf.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 urbaniteboffin.com 162.0.235.154, 49701, 80 NAMECHEAP-NETUS Canada 20->33 35 td-ccm-168-233.wixdns.net 34.117.168.233, 49702, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 20->35 37 3 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 msdt.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 06:57:55 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=didvozdmvj3xatz5akp2tk53fvuenuju66zj5od7j2voue2kqt2q._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:h3ha rat spyware stealer trojan
Link:
https://tria.ge/reports/221206-hxm4nadh44/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
f0944ae44dd0a6582ad85c1fcaa0216326fccc86ebfd859febfae69c8a3062f6
MD5 hash:
7f965d791338f7fc3a4e5c28712c64cc
SHA1 hash:
ab3b6050f9d9fb02132132d1a4011c598e40abec
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/9143f50a-a9fe-4d0c-a033-274aaf6f2d00/
Parent samples :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 hash:
7bdc4755f7bf0e566b69440fb54722b4a780d55a952ddab686eb174f47c8cabb
MD5 hash:
5df671fb2017fb9635b893743c8bea04
SHA1 hash:
b907492f85ec36f632c471b5acec7cd5a1bb6487
Link:
https://www.unpac.me/results/9143f50a-a9fe-4d0c-a033-274aaf6f2d00/
SH256 hash:
1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5
MD5 hash:
dfdeda2af8f802749ea92a46f1a15eb0
SHA1 hash:
1d4e20830f0059222251681524b8d04e2ef06b6c
Link:
https://www.unpac.me/results/9143f50a-a9fe-4d0c-a033-274aaf6f2d00/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a0757646caa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
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.

Web download

Formbook

Executable exe 1a0757646caa77704f3d029fa9abbb2d6846d134f7b29eb87f4eaaea134a84f5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2444788/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/343261/

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