MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b
SHA3-384 hash: 9df409e5e0a01e67a47d7bc0282b5f6eff8e8e484c0dfa6335d453c52a1f460e35b9ba0696f8bd46b3de3b38605c4fd6
SHA1 hash: 4ef2765a6d996301ba1f071cd8a47c5a8a9e82fe
MD5 hash: 55315ebd192457168fb45e0e2dfd34b9
humanhash: illinois-yankee-hamper-london
File name:payment advice002436_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:696'832 bytes
First seen:2021-01-15 07:09:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:kkVz/MGevQbgOaY6whJi2pgGH7RnvwN9oLwKH81LW9rNjLujjvt7daT:kka3QUO0whaGH714SLwKH8Q9Q7a
Threatray 3'362 similar samples on MalwareBazaar
TLSH 21E4220663FD6B17C9FE8BF4467880001BB9797B76B2D30C5F9465E112B3B198A50A3B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: ts20.progressiveline.com
Sending IP: 149.56.84.229
From: Bank of Hope <tkt@heung-a.com.cn>
Reply-To: kyunghwa.park@bankofhope.com
Subject: Advice from Bank of Hope
Attachment: payment advice002436_pdf.arj (contains "payment advice002436_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment advice002436_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:13:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b9f9e111-b7a2-4ced-8d29-4f8d271653c9

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/112167/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582270
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 (e.g. based on Emerging Threat rules)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340171 Sample: payment advice002436_pdf.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 10 payment advice002436_pdf.exe 3 2->10         started        process3 file4 29 C:\Users\...\payment advice002436_pdf.exe.log, ASCII 10->29 dropped 13 payment advice002436_pdf.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 31 www.oakhazelnut.com 185.53.177.10, 49748, 80 TEAMINTERNET-ASDE Germany 16->31 33 www.propolisnasalspray.com 88.214.207.96, 49738, 80 NATCOWEBUS United Kingdom 16->33 35 6 other IPs or domains 16->35 37 System process connects to network (likely due to code injection or exploit) 16->37 20 ipconfig.exe 16->20         started        23 autochk.exe 16->23         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 07:10:08 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2kkuq74waskbjfjud2sdutzbwo7o2ckmqerfvn26igqlcbkbvwnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624
Formbook
4e98a7f7084a5fa80d8e1dd45e8b8f8a1f9fc891d223cc265524cfcfe3c57c0b
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Formbook
6aa548c3957256340d79f1955d46272f75cf98384eedf692753310d041bfee90
Formbook
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
Formbook
814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704
Formbook
c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0
Formbook
d085d4d4370b02036dfe9de7c9061d88a8a5cd12cbced6dbdca9ba217112375c
Formbook
fa1c05c7ea1e94e08982755ca1d13051a6cd334fa3e93aa98b5bcc2ebb910f59
Formbook
+ 3'352 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210115-64jehlsf3e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.aftabzahur.com/wgn/
Unpacked files
SH256 hash:
a272312b488605281adfc02fa6678d87a4ee90126c29dd9d860ed333d5702b76
MD5 hash:
cd8056ee3ad184ffa09ef89c092be9df
SHA1 hash:
2f7672deed47d0317e3ada163f4d5f8a13c978a9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/391a156b-12bf-4c4d-8ae0-a96719290e63/
Parent samples :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 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/391a156b-12bf-4c4d-8ae0-a96719290e63/
SH256 hash:
c33fc2ee3dde823a3a90d1bed57249aa9c114b422993a16e8b96ef6dbd7422ea
MD5 hash:
14adcc337cccb5831b49ed62a57fc522
SHA1 hash:
1d20caf78d249c25ce86c9262e3c7e4aea3440ea
Link:
https://www.unpac.me/results/391a156b-12bf-4c4d-8ae0-a96719290e63/
SH256 hash:
d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b
MD5 hash:
55315ebd192457168fb45e0e2dfd34b9
SHA1 hash:
4ef2765a6d996301ba1f071cd8a47c5a8a9e82fe
Link:
https://www.unpac.me/results/391a156b-12bf-4c4d-8ae0-a96719290e63/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

arj b7b36a6deba614caf421f5041d0dcace5ac72eb41ec9efce8102cd9aa0e4539a

Formbook

Executable exe d295487f9604941495341ea43a4f21b3beed094c81225ab75e41a0b10541ad9b

(this sample)

  
Dropped by
MD5 b86091cc5af09a01707e3815f9f38429
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b7b36a6deba614caf421f5041d0dcace5ac72eb41ec9efce8102cd9aa0e4539a
Cape
Cape
https://www.capesandbox.com/analysis/112167/

Comments