MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b
SHA3-384 hash: d26367292f2c9547883b6415f736a785db6a849a8baab6b93af1c943494c8872efc95778606678e3998c10c58314e41c
SHA1 hash: 6db1d5b7822f02fb533c93c1d3f0d8e408c835f4
MD5 hash: 7ba779a892c46cc26e45bc4c53241a70
humanhash: illinois-echo-ten-louisiana
File name:Payment Notice_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:990'720 bytes
First seen:2023-02-07 17:12:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Ip2iNiETzZKNYTW0Dro9znvZlqhSYMJJlE5328JJYGD4FjwJszywOE4iPlnW+n3:Ip1kh0H8zKSR4PzYGDkjwJsoGlWw3
TLSH T107257D113AF6C863F0490E7460283DCC3A3CE4479BDD419FA972AA6453E6B76F9D8D21
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment Notice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 17:27:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ef8aab0d-ae1d-43b4-9b63-d633c9ece98f

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/361503/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e286a41c9cbf7d62567494/reports/1248596d-2fe0-416c-8685-f10db6379290/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b86b12b-d7b5-429d-8a17-30295ed1ef60
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167967
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 800746 Sample: Payment Notice_pdf.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 10 Payment Notice_pdf.exe 3 2->10         started        process3 file4 32 C:\Users\user\...\Payment Notice_pdf.exe.log, ASCII 10->32 dropped 56 Injects a PE file into a foreign processes 10->56 14 Payment Notice_pdf.exe 10->14         started        17 Payment Notice_pdf.exe 10->17         started        19 Payment Notice_pdf.exe 10->19         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 explorer.exe 4 6 14->21 injected process8 dnsIp9 34 leadersvoyages.com 185.98.131.229, 49703, 80 RMI-FITECHFR France 21->34 36 www.propertyphotogeeks.co.uk 192.64.119.161, 49702, 80 NAMECHEAP-NETUS United States 21->36 38 2 other IPs or domains 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 25 mstsc.exe 21->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 14:34:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 39 (46.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xonsrml3jzjlymqk6cy2obcfuygilhzcax5ciniwkrpe63gqtefq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sz17 rat spyware stealer trojan
Link:
https://tria.ge/reports/230207-vrexbagb2t/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
Parent samples :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 hash:
48d7760ddb4000f2defd091eaabf1ea181dd536a55316274a59a0bbff827d5b1
MD5 hash:
4260463b2bd49a68791133686a557484
SHA1 hash:
0f7f9b2fc318e6db47180b952f4472d5f61fc81c
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
SH256 hash:
17bb4e762db7b43910ccf20376f373222f6c2e51b022355c3e2b155eaa88ecef
MD5 hash:
fb5a3a23404d58f51678304b9c925348
SHA1 hash:
a648e6a83d782f49c0a628f45be1b6c252ba387a
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
5d00a332e4e9435b2b9082623099ba2abb55521685390bcf5126b604669a2aa4
MD5 hash:
3ebd73aeccd43709b1014d036cfc1445
SHA1 hash:
334bdd11b0ad8ef6745b1be4cb92f38e1d70d6ca
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
SH256 hash:
bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b
MD5 hash:
7ba779a892c46cc26e45bc4c53241a70
SHA1 hash:
6db1d5b7822f02fb533c93c1d3f0d8e408c835f4
Link:
https://www.unpac.me/results/cc665213-edb1-48e1-a328-889f6bc0066c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb9b28b17b4e/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/bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b

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: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 bb9b28b17b4e52bc320af0b1a70445a60c859f2205fa243516545e4f6cd0990b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/361503/

Comments