MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95
SHA3-384 hash: df9777c5eeb54279abb8becc1dafb49fdc5eff659680887a8db20cc04c92d8daf89f6d0f69770634dcaf6132bc9a0995
SHA1 hash: 14a9125d2a6b62f2f489cb501cbb6af1a0ba603c
MD5 hash: fa3293c65e096baf7c9717f81adfcebe
humanhash: pluto-sixteen-burger-robert
File name:Wire Payment Instruction Copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:899'072 bytes
First seen:2021-09-06 22:16:56 UTC
Last seen:2021-09-08 05:20:12 UTC
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:x8S3lOThpfM6GxHzih+qxL9GQ+IJn9w+Z292xf4s+:v3lO9pE6Gdih+qN1Pn9w+Vx
Threatray 9'019 similar samples on MalwareBazaar
TLSH T133153F3E18FE2327D166D7F5CBE0C823B2D09CAF3122A96557D75B665316A4234C322E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wire Payment Instruction Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-09-06 22:22:21 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/39e07181-cdaa-4f8d-b815-4016ef4f5585

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/185769/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.25666.10702.13134.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/846169
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found 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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 478599 Sample: Wire Payment Instruction Copy.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 9 Wire Payment Instruction Copy.exe 3 2->9         started        process3 file4 26 C:\...\Wire Payment Instruction Copy.exe.log, ASCII 9->26 dropped 50 Writes to foreign memory regions 9->50 52 Injects a PE file into a foreign processes 9->52 13 RegSvcs.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 2 other signatures 13->60 16 cmd.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 inspirestudiopro.com 160.153.136.3, 49726, 80 GODADDY-AMSDE United States 19->28 30 www.inspirestudiopro.com 19->30 32 2 other IPs or domains 19->32 40 System process connects to network (likely due to code injection or exploit) 19->40 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-06 20:38:48 UTC
AV detection:
17 of 43 (39.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwzcsf7yv3pkaxjxl5kktjb4te6mfop6xjeobn2ghpx5ieocxkkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287
Formbook
41426800f6abacfe11baaa98f532e48b152971d90958016a943e8e0fb7967b9e
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
8f0ccd5f4badc5caaa417896b3a66e97b994f0546d2299757fe601095e6e62bc
Formbook
99e69a8f20885bef44503976b29f58ae65f5737bf2948da5d04fd873c70634a6
Formbook
9da4d8126ac0c4c0b68066407e24cf1a36e06f0fc22ef87b0a464f90c1374095
Formbook
aaf51eb435ca7b4a2241a951e3e131d7e73fa9f7bab18ca026f9a4d080c9dc0d
Formbook
ad2a5569cb14f86fe191f54f6fecb7bf1fe389418858f5fc72e6367c9780a9f0
Formbook
c36fa12719f133f394b113938584b1d693d4741df4e40d34958dcee239ecd153
Formbook
+ 9'009 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i6sj rat spyware stealer trojan
Link:
https://tria.ge/reports/210906-17cpsabee8/
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
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ggoldcollections.com/i6sj/
Unpacked files
SH256 hash:
4d339511b1a219aec4873bbf9760310c615baa787962a3b8291f857502c17642
MD5 hash:
9fefcd4d2a665a7dcff718230d71ee70
SHA1 hash:
11becb27dc0177f32085bfd0805c658946371f5c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f6d532c3-ee0e-4779-9810-b52a29a6278e/
Parent samples :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 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
Link:
https://www.unpac.me/results/f6d532c3-ee0e-4779-9810-b52a29a6278e/
SH256 hash:
11c463813446573e9f1291d12565ec3b678e650acaa5d57c9500524c024d9552
MD5 hash:
0d0a22b579fd359e82e5e0fcb3e80ff6
SHA1 hash:
83c77c6ee5f5c2826ccbf72a98b57d6ab9a8dc63
Link:
https://www.unpac.me/results/f6d532c3-ee0e-4779-9810-b52a29a6278e/
SH256 hash:
15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95
MD5 hash:
fa3293c65e096baf7c9717f81adfcebe
SHA1 hash:
14a9125d2a6b62f2f489cb501cbb6af1a0ba603c
Link:
https://www.unpac.me/results/f6d532c3-ee0e-4779-9810-b52a29a6278e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/15b22917f8ae/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185769/

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