MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f
SHA3-384 hash: 91d0f0e00b45f292a7fa0c9b6a9d62c9b730907fc23008371a42cca7a4d7cd2ebac9b4293efe1e3e9265c20ba70c808c
SHA1 hash: 0d63ee2545439dff61486e040fb8d921bee79ae3
MD5 hash: a2b43ba6d6a6af9f0fa07cab1a1ffd64
humanhash: freddie-comet-mexico-california
File name:a2b43ba6d6a6af9f0fa07cab1a1ffd64
Download: download sample
Signature Formbook
Create hunting rule
File size:423'250 bytes
First seen:2022-12-05 20:21:01 UTC
Last seen:2022-12-05 21:36:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:LBnmyK4O/ekC2y6gPWJ6OC4tp8k4Hg2Y5nkjtPPraKFMP4wzSl7dlP7O/9Dj:Q7e6gPPOCm8kSIsPWK2Ptzo7dpy
TLSH T1E994E5035C84D5FAC5D8DD7B2A93A0F7B46FDEB85C7120FEEA85678501A1C2B63B4424
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 f0f0f0f07033b2f0 (2 x AveMariaRAT, 2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
a2b43ba6d6a6af9f0fa07cab1a1ffd64
Verdict:
Malicious activity
Analysis date:
2022-12-05 20:24:14 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/f0561eef-2ba4-483d-acc9-6883842992c7

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/343070/
Detection(s):
SecuriteInfo.com.FileRepMalware.1602.29508.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 a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
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/638e52b29a505ad9423d7d1f/reports/4852754a-f942-448d-9425-ffd544680b46/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/062291f6-f254-4364-82a8-d802cc071b34
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1128413
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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: 761137 Sample: AEBLj3oUh8.exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 51 3 other signatures 2->51 11 AEBLj3oUh8.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\ycayuhnew.exe, PE32 11->31 dropped 14 ycayuhnew.exe 11->14         started        process5 signatures6 61 Multi AV Scanner detection for dropped file 14->61 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 ycayuhnew.exe 14->17         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.freedomcleaningusa.com 194.1.147.90, 49698, 80 WPXBG Bulgaria 20->33 35 www.rrexec.net 66.96.162.135, 49699, 80 BIZLAND-SDUS United States 20->35 53 System process connects to network (likely due to code injection or exploit) 20->53 24 control.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-05 20:21:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tjtrm3c2qeycgaacfvp46auwaa2wiyh46phif6rx3melcmnaiwpq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:8rmt rat spyware stealer trojan
Link:
https://tria.ge/reports/221205-y4zzssfh2v/
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 UnmapMainImage
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:
8d37b491f57e27e08e5e8432a9c4157c2087e72a11b51ee9772cd8a655c25a3b
MD5 hash:
a6f5f0ad823df7a4035d75827ad640e6
SHA1 hash:
4dc8ba4663975ef3d0b5014a229ca0d01506da91
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/9482fceb-0afa-4863-bcf3-0f48ca2deb06/
Parent samples :
9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f
44bf46793f182055af9af6112cfd1236073c6ab0c879d0cffb49154e5c1c85dd
SH256 hash:
edfa8cf65bbe6a0ad70cfc86a451b4ac86d034efc77f4e117151faa48af2d73f
MD5 hash:
d3749f4e6710b8d5beb987f07a5e8580
SHA1 hash:
17d39d416576972ecdf7deb2dce4275941497a29
Link:
https://www.unpac.me/results/9482fceb-0afa-4863-bcf3-0f48ca2deb06/
SH256 hash:
9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f
MD5 hash:
a2b43ba6d6a6af9f0fa07cab1a1ffd64
SHA1 hash:
0d63ee2545439dff61486e040fb8d921bee79ae3
Link:
https://www.unpac.me/results/9482fceb-0afa-4863-bcf3-0f48ca2deb06/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a67166c5a81/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f

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 9a67166c5a81302300022d5fcf029600356460fcf3ce82fa37db08b131a0459f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2446791/
Cape
Cape
https://www.capesandbox.com/analysis/343070/

Comments


Avatar
zbet commented on 2022-12-05 20:21:04 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/alaat2.1.exe