MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb. 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 2 File information Comments
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SHA256 hash: 51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb
SHA3-384 hash: 76ee8ccfe08372cde1b6b1dd653287b048a8f12462e79ab95fc5ffc0be8f2170a0e7b7ccd4bbd443ff446dd0133050cb
SHA1 hash: e55975c8c7d7fd04f556967739135000f18b0bb4
MD5 hash: c43e1fb14a30c0e7b3040c94d16a196c
humanhash: robin-yellow-cola-avocado
File name:Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:230'052 bytes
First seen:2022-05-18 13:55:24 UTC
Last seen:2022-05-21 08:35:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:LOtIOx7MRQlyQfODWoqrK/q9PtKEQ6cNcUg/BBV:LOLx7r1fOD/BqFtOcUgZv
Threatray 15'682 similar samples on MalwareBazaar
TLSH T19B241201D651E137DDA31331AD31EFA18DBFA93214F0A1571740FFA6AE70A809B6E762
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment Advice.exe
Verdict:
Malicious activity
Analysis date:
2022-05-18 23:16:05 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0b929e6d-aeba-4270-ad8e-656024070ce2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/272129/
Detection(s):
SecuriteInfo.com.Variant.Jaik.72878.15525.4367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/18735/overview
Behaviour
MalwareBazaar
Gathering data
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/87a72cc4-0dde-45bf-b34e-b5e73d351b4f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/996848
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Performs DNS queries to domains with low reputation
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 629357 Sample: Payment Advice.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 36 www.xdygu.xyz 2->36 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 8 other signatures 2->56 12 Payment Advice.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\wjpnfswmw.exe, PE32 12->34 dropped 15 wjpnfswmw.exe 1 12->15         started        process6 signatures7 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 72 Injects a PE file into a foreign processes 15->72 18 wjpnfswmw.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 23 explorer.exe 18->23 injected process10 dnsIp11 38 www.burghwallisjubilee.com 23->38 40 ghs.googlehosted.com 142.250.184.51, 49800, 80 GOOGLEUS United States 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 60 Uses netstat to query active network connections and open ports 23->60 27 NETSTAT.EXE 23->27         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2022-05-18 09:29:24 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgvrp7oscli3vztkn3dq4rfsedycum5h4crhqxdonh2cdv45jtnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4a7aa26a59cccaa38181f61e413214368bd2cb3b8aa9c93c8694cc7d37591a3f
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
8392408d685d10ddf024a7e4f47976e03a00fd787bd4ee0932766c4b9b278bc0
Formbook
988606c3b43228b851832aae56418b2ab7af38240f18339049da7e40ed9a27c1
Formbook
a88a1ec7699128b0e1f344c880b17b839927b7580e3bf7ece152dff57d719dfe
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
beab53a78651513011c1b0374269a4a282a995650cb9bc7063ae999628e578a2
Formbook
c1aa2253f99e2f3a49731b245dc62b2497af38392910174f1534608e105936f6
Formbook
f6acdf84ba27d835f11aaeaf29f71eab77a592fb6fea7a06d76bcd1d9228171c
Formbook
+ 15'672 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r75h rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220518-q8ntbsdcbq/
Behaviour
Gathers network information
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
1cd22bb1c297d1c08b2562a69333ab544cee40af9210d253da7e02e2b7053a10
MD5 hash:
709df3897ca56d5a3f0ccdfedb5ff682
SHA1 hash:
81b594862fd6fc739439e1b024957a5bb6dac289
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ac2f124e-fb35-4387-bfa9-34146bbcd645/
Parent samples :
c1aa2253f99e2f3a49731b245dc62b2497af38392910174f1534608e105936f6
51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb
SH256 hash:
ef974c02ed41732e6b25733236dafc13581c3f79d6aaacf50cbcc6fceb772e90
MD5 hash:
70a46788390a048dca2942b90de66df8
SHA1 hash:
a484dc498f371ba6aa5e86350af6c445432a0e4b
Link:
https://www.unpac.me/results/ac2f124e-fb35-4387-bfa9-34146bbcd645/
SH256 hash:
51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb
MD5 hash:
c43e1fb14a30c0e7b3040c94d16a196c
SHA1 hash:
e55975c8c7d7fd04f556967739135000f18b0bb4
Link:
https://www.unpac.me/results/ac2f124e-fb35-4387-bfa9-34146bbcd645/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51ab17fdd212/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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

rar a03371c0ffc63a6acb4b6db3d5523e013c0b59691b38fbda1e4541f02347928e

Formbook

Executable exe 51ab17fdd212d1bae66a6ec70e44b220f02a33a7e0a2785c6e69f421d79d4cdb

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a03371c0ffc63a6acb4b6db3d5523e013c0b59691b38fbda1e4541f02347928e
Cape
Cape
https://www.capesandbox.com/analysis/272129/
  
Dropped by
MD5 89a356776ccb3e052108b1906e97fb4d

Comments